Sine Wave Power Inverter
GD150/GD300 Series 200V Model
User’s Manual

Ver.1.04E

Table of Contents
1. Safety Instructions....................................................................... 3
2. General Information ..................................................................... 4
3. Inverter Features .......................................................................... 5
3-1 Specification ...............................................................................................................5
3-2 De-rating Curve ..........................................................................................................7
3-3 Dimension ...................................................................................................................8
3-4 Control Panel ..............................................................................................................8

4. Installation and Wiring Connections ...................................... 9
4-1 Installation Guide .......................................................................................................9
4-2 Wiring Connections ...................................................................................................9
4-3 Current Setting Confirmation .................................................................................. 11
4-4 How to Start Up ........................................................................................................ 11

5. Functions ....................................................................................... 12
5-1 Change Settings .......................................................................................................12
5-2 Indicators of Setting during Operation ...................................................................13
5-3 Operation Mode ........................................................................................................13
5-4 Sleep Mode ...............................................................................................................13
5-5 Protective Function ..................................................................................................13
5-6 Remote Connector ...................................................................................................15
5-7 Optional Terminal .....................................................................................................15

6. LED Indicators ............................................................................. 16
6-1 The LED Indicator in Normal Status .......................................................................16
6-2 LED Indicators when Protective Function Activates .............................................17

7. Troubleshooting Guide .............................................................. 18

Sine Wave Power Inverter GD150/GD300 User’s Manual ©2017-2020 DENRYO CO., LTD. All Rights
Reserved. No parts of this document may be reproduced in any form without the prior written approval of
DENRYO CO., LTD.
2

1. Safety Instructions
This document contains important safety and operating information for DIASINE®. To work DIASINE® thebest, use inverter only as described in safety instructions. Carefully read through the safety instructions
before mounting DIASINE®.

WARNING

This sign indicates the following contents includes important
information. The wrong order of handling may lead to the risk of deathor seriously injured.

CAUTION

This sign indicates the following contents includes important
information. The wrong order of handling may cause damage to the
products and the surrounding stuff.

MEMO

This sign indicates the following contents includes important informationof manuals about functions which contains safety instructions or proper
operation of DIASINE®.

Precautions During Installation
・ Installation and operation of DIASINE® should be performed by personnel knowledgeable aboutproper safety precautions.
・ To avoid the risk of electric shock and fire, read and adhere to electrical wiring regulations. Do notdisassemble DIASINE®.
・ To avoid the risk of electric shock and fire, install DIASINE® out of reach of the children.
・ Do not expose DIASINE® to rain, snow, dust or under high humidity environment.
・ Do not install DIASINE® under high temperature environment, near fire, or under sun exposure directly.
・ DIASINE’s temperature might rise during operation. Be careful when moving or removing it.
・ To avoid covering or obstructing the ventilation openings, do not put any objects within 15 cm area
near inverter.
・ To avoid overheating, do not put any stuff on it.
・ To connect more than one battery, use same model battery from the same manufacturer. Using
different batteries simultaneously is dangerous.
・ Batteries generate explosive gases when discharge. Never smoke or light fire near battery.
・ DIASINE® contains components might produce arcs or sparks. To prevent fire or explosion, do notinstall in compartments with batteries or flammable materials.

CAUTIONDo NotDisassemble

Keep Dry

Since battery deteriorates over time, maintenance on a yearly basis is
recommended. Change deteriorated batteries to prevent the hazard offire.

Danger
No Open FlameHigh Temperature

3

Do Not Stack

Keep
Air Ventilation

2. General Information
DIASINE® is pure sine wave inverter that converts DC voltage to AC sine wave voltage. The output
waveform is as same as sine wave of commercial power supply. The total harmonic distortion is less than
3%. High efficiency circuit and switching control achieved 90% efficiency at full rated load. DIASINE® isdownsized presented by fanless structure, cools down by natural convection, which enables it to operate
quietly. Moreover, DIASINE® is equipped with various protective functions. Even input polarity is reversed,
the internal circuit will not be damaged. Moreover, with capability of inputting wide voltage range, operating
under wide temperature range and remote control function, DIASINE® can be used in various environments
and applications.
Features・ Input reverse polarity protection by internal circuit・ Fanless quiet operation (natural convection)
・ Wide operating temperature (-20~+60°C)
・ Output voltage/frequency easily switchable by button
・ Pure sine wave output (total harmonic distortion less than 3%)
・ Light weight and slim design
・ High efficiency (90% at full rated load)
・ Built-in remote-control function
・ Various protective circuit: Input voltage warning, shut down, input reverse polarity,
output voltage, output short-circuit, overload and over temperature・ Buzzer ON/OFF, LED brightness switchable
・ Low power mode and sleep mode setting
・ Wide input voltage
・ Input voltage of 12V/24V/48V by 3 lineups
・ Input terminal cover for dust prevention
・ Optional communication function (T. B. D.)
Block Diagram
DC Input

DC/DC

DC/AC

Safety and EMC Certified
Safety standards:EN62368-1: 2014+A11:2017
Immunity standards:EN55024:2010
Emission standards:EN55032:2012

4

FilterAC Output

3. Inverter Features
3-1 Specification

Input

Output

MODEL
Battery Voltage
Voltage Range*1
Current Range
No-load Current*2(Low power mode)
No-load Current(Normal mode)Standby Mode
Consumption
Sleep Mode
Consumption
Efficiency at Rated Load
Rated Power
Peak Power (3min.)Surge Power (3sec.)
AC Voltage (switchable)
Frequency (switchable)
Waveform
Voltage Tolerance
LED indicators

FunctionProtection

Environment

Remote-control
Option terminal
Input
OutputOthersOperating Temperature
Operating Humidity
Storage Temperature/
Humidity
Vibration
Safety Standards
Withstand Voltage

Safety &EMC

OthersIsolation Resistance
EMC Immunity
EMC Emission
Accessories
Dimension
Weight

GD150NU-212
12V
10.5~17Vdc
10~16A

GD150NU-224
24V
21~34Vdc
5~8A

GD150NU-248
48V
42~68Vdc
2.5~4A

0.4A

0.2A

0.1A

0.5A

0.3A

0.2A

7mA

7mA

4mA

1mA

3mA

3mA

90%
91%
92%
150VA
180VA (Refer to P.7)
210VA
230 default, 200/220/240Vac
50±0.1Hz default, 50/60Hz
Sine Wave, <3%THD±3.0%
Operating status, Battery voltage level, Output power level,
Protection function, Operation setting
Output remote ON/OFF control terminal
Six-position four-conductor (6P4C) modular jack
UVP*3, OVP*4, input reverse polarity
OLP*5, SCP*6, output voltage error
OTP*7, detect by internal temperature sensors-20~+50°C at rated load, +60°C at 70% load (Refer to P.7)
20~90%RH non-condensing-30~+70°C, 10~95%RH
10~500Hz, 3G 10min./ 1cycle, 60mins. XYZ axes
Certified EN62368-1: 2014+A11:2017
Battery I/P- AC O/P: 3.0kVac
AC O/P- Ground: 1.5kVac
Battery I/P- Ground:1.5kVac
Battery I/P- AC O/P: >1000MΩ/500Vdc/25°C/70% RH
AC O/P- Ground: >1000MΩ/500Vdc/25°C/70% RH
Battery I/P- Ground: >1000MΩ/500Vdc/25°C/70% RH
EN55024:2010
EN55032:2012
Cable with plug*8
234.0×146.5×44.0mm (L×W×H)
0.9kg

All parameters NOT specially mentioned are measured at 212: 12Vdc, 224: 24Vdc, 248: 48Vdc input, 150VA rated load,
power factor=1.0, 25°C of ambient temperature and under the default setting.
*1 Tolerance of voltage: 212: ±0.5V, 224: ±1V and 248: ±2V.
*2 Average.
*3 UVP: Undervoltage Protection.
*4 OVP: Overvoltage Protection.
*5 OLP: Overload Protection.
*6 SCP: Short-circuit Protection.
*7 OTP: Over Temperature Protection.
*8 Length of cable: 1500±30mm

5InputOutput

MODEL
Battery Voltage
Voltage Range*1
Current Range
No-load Current*2(Low power mode)
No-load Current(Normal mode)Standby Mode
Consumption
Sleep Mode
Consumption
Efficiency at Rated Load
Rated Power
Peak Power (3min.)Surge Power (3sec.)
AC Voltage (switchable)
Frequency (switchable)
Waveform
Voltage Tolerance
LED indicators

FunctionProtection

Environment

Remote-control
Option terminal
Input
OutputOthersOperating Temperature
Operating Humidity
Storage Temperature/
Humidity
Vibration
Safety Standards
Withstand Voltage

Safety &EMC

OthersIsolation Resistance
EMC Immunity
EMC Emission
Dimension
Weight

GD300NU-212
12V
10.5~17Vdc
20~32A

GD300NU-224
24V
21~34Vdc
10~16A

GD300NU-248
48V
42~68Vdc
5~8A

0.7A

0.4A

0.2A

0.8A

0.5A

0.3A

7mA

7mA

4mA

2mA

4mA

3mA

90%
300VA
360VA (Refer to P.7)
420VA
230 default, 200/220/240Vac
50±0.1Hz default, 50/60Hz
Sine Wave, <3%THD±3.0%
Operating status, Battery voltage level, Output power level,
Protection function, Operation setting
Output remote ON/OFF control terminal
Six-position four-conductor (6P4C) modular jack
UVP*3, OVP*4, input reverse polarity
OLP*5, SCP*6, output voltage error
OTP*7, detect by internal temperature sensors-20~+40°C at rated load, +60°C at 70% load (Refer to P.7)
20~90%RH non-condensing-30~+70°C, 10~95%RH
10~500Hz, 3G 10min./ 1cycle, 60mins. XYZ axes
Certified EN62368-1: 2014+A11:2017
Battery I/P-AC O/P: 3.0kVac
AC O/P-Ground: 1.5kVac
Battery I/P-Ground: 1.5kVac
Battery I/P-AC O/P: >1000MΩ/500Vdc/25°C/70% RH
AC O/P-Ground: >1000MΩ/500Vdc/25°C/70% RH
Battery I/P-Ground: >1000MΩ/500Vdc/25°C/70% RH
EN55024:2010
EN55032:2012
234.0×146.5×44.0mm (L×W×H)
1.0kg

All parameters NOT specially mentioned are measured at 212: 12Vdc, 224: 24Vdc, 248: 48Vdc input, 300VA rated load,
power factor=1.0, 25°C of ambient temperature and under the default setting.
*1 Tolerance of voltage: 212: ±0.5V, 224: ±1V and 248: ±2V.
*2 Average.
*3 UVP: Undervoltage Protection.
*4 OVP: Overvoltage Protection.
*5 OLP: Overload Protection.
*6 SCP: Short-circuit Protection.
*7 OTP: Over Temperature Protection.

6

3-2 De-rating Curve
・GD150NU-212/224/248

120

Output [%]100
80

Input Voltage

60

12~17V
24~34V
48~68V4020
0-30 -20 -10

0

10

20

30

40

50

60

70

Ambient Temperature [°C]・ GD300NU-212/224/248

According to the environments, it happens that OLP or OTP protection works even in the range of derating curve. When output high rated power, please mount DIASINE® in the environment with as good as
possible ventilation.

7

3-3 Dimension

3-4 Control Panel1○

AC Outlet

2○

AC Output Terminal

3○

Setting Button

4○Power LED

5○

Battery LED

6○

Load LED

7○

Power Button

8○

Remote Connector

9○

Optional Terminal

10○

Grounding Terminal

11○

Reversed Connection Warning LED

12○

Battery Input (-)

13○

Terminal Cover

14○

Battery Input (+)

8

4. Installation and Wiring Connections
4-1 Installation Guide
Recommended installation location: Locate DIASINE® on a flat place or rack with sufficient strength. Avoid
mounting and using in a dusty or high temperature environment. For ventilation, do not mount any objects
within 15 cm area near the inverter.

Do not place any
objects on the top

More than
15cm

More than
15cm

Figure 4.1 The example of installation
Recommended installation regulation: There are 8 holes, Φ3.4mm, and depth 6.5mm, in the bottom of
DIASINE® (Refer to P.8) which could be utilized when installing inverter. It is recommended to install
DIASINE® horizontally on the ground.
To avoid the risk of burn injury, do not touch anything other than the front

CAUTION panel of DIASINE during or immediately after use.
®

4-2 Wiring Connections
To wire Battery wiring connections:Remove terminal cover on rear side of DIASINE® and wire it to battery input terminal. Slide and pushterminal cover toward inverter’s bottom to move it. Mount fuse in plus side wiring. Please refer to Table 4.1
to select fuse size based on system. Please take suitable wire size for power supply terminal. The screw
size of battery input terminal is M4; the width of terminal is 9 mm. Recommended wire size at full rated
load is 12AWG (4mm2) for GD150, 8AWG (10mm2) for GD300; recommended torque for installation is 1.5
N·m. Too thin cable may lead to overheating or ignition of wire. Recommended length of battery wire should
be as short as possible within 1.5 m. Before wiring battery, check if power LED in the front of inverter lights
orange. Check battery voltage if not lighting. Furthermore, reverse connection warning LED near the
grounding terminal in the rear of inverter lights red if polarity reversely connected. Please reconnect polarity
and check if the warning LED turns off.
Table 4.1 Fuse size recommended
Model

Current

Model

Current

GD150NU-212

Under 20A

GD300NU-212

Under 40A

GD150NU-224

Under 10A

GD300NU-224

Under 20A

GD150NU-248

Under 5A

GD300NU-248

Under 10A

9

WARNING

Explosion Hazard
It is very dangerous if battery short-circuited. Always wiring input
terminal of inverter before battery.

To wire grounding
Wire grounding terminal in the rear of DIASINE® to the system. The screw size of grounding terminal isM5; the width is 14mm. Please use solderless terminals, like R5.5-5, and fasten it with a screw.
Recommended wire size is 10AWG (6mm2) and torque is 2.0 N·m.
To wire load
Connect load from AC outlet in the front of inverter or AC output terminal. Choose wire with properwithstand voltage of AC output terminal. VVF1.6 cable is recommended. Peel off wire coating around 1520 mm. Inserting the wire into the hole marked as AC OUTPUT on the front panel until the peeled part is
all inserted. Make sure line (L) and neutral (N) is not short-circuited. When removing the wire, insert aflathead screwdriver in the oval hole above the insert hole, and pull out wire while pressing the flatheadscrewdriver.

CAUTION

Terminal damage.
Terminal may be damaged is pressing flathead screwdriver obliquelyand strongly.

WARNING

Shock Hazard
Make sure the core wire is fully inserted not exposed. Make sure inverter
is not outputting while wiring AC terminal.

Be careful NOT to short-circuit line and neutral. Make sure wiring L and N correctly when wiring both outlet
and AC terminal of inverter.
Precautions about load:
Most loads can work on AC power supplied by DIASINE®. However, some loads might not work evenkeeping supplying with 150VA (GD150)/300VA (GD300).
(1) Extremely large current, around 6~10times more than load’s rated power, is required to startup
inductive loads or motors. DIASINE® cannot work loads with surge current over specification.
Check peak current the loads require before choosing inverter.
(2) To completely startup of inverter, when connecting a capacitive load or a rectifier such as
switching power supply, do not activate the load and startup inverter at the same time.
Alternatively, startup inverter with a smaller load and increase load afterward. If connecting
more than two loads, please activate one load at once after inverter begins to output.
To wire Remote Connecter
By the function of remote connecter in the rear of inverter (Refer to P.15), inverter’s AC output can beturned ON/OFF without pressing power button. Recommended wire size for remote connecter is20~28AWG (0.08~0.5mm2).

10

To wire Optional Terminal
Optional terminals in the rear of DIASINE® use a six-position four-conductor (6P4C) modular jack to adapt
to various applications. Check DENRYO Official Website for more details.

20~28AWG(0.08~0.5mm2)

GD150:12AWG~ (4 mm2~)
GD300:8AWG~ (10 mm2~)

10AWG~(6mm2~)

Figure 4.2 System Wiring Diagram

4-3 Current Setting Confirmation
DIASINE’s default setting is: Output voltage 230Vac, output frequency 50Hz, low power mode (Refer toP.13) buzzer ON, and normal mode of LED brightness. Press setting button on the front panel to change
settings (Refer to P.12) Settings remain even battery runs out power.

4-4 How to Start Up
Keep pressing power button on the front side of DIASINE® for 1 second. Make sure inverter is not under
the protection mode by checking LED indicators (Refer to P.17) and turn on the load.

11

5. Functions
5-1 Change Settings
1. After connecting battery, DIASINE® is switched to standby mode. Under standby mode, orange
LED stands and other LEDs are off. Do not connect anything to AC outlet and AC output terminal.
2. Pressing setting button under standby mode, the current setting displays around three seconds.
To change settings, press and hold setting button. Hold down the button for about two seconds,
when hearing a buzzer,* the power LED stands only. Release setting button and proceed to next
step.
*DIASINE® does not sound once buzzer is set OFF.
3. Check output frequency setting refers to Table 5.1. Press setting button to select color of power
LED until it matches the color of output frequency and operation mode you choose. Hold setting
button.
4. Check battery LED is lighting. Refer to Table 5.1, press setting button to select color of battery
LED until it matches the color of output voltage you choose. Hold setting button.
5. Check only load LED on the right side of inverter is lighting. Refer to Table 5.1, press setting
button to select color of load LED until it matches buzzer setting ON/OFF and LED brightness
you chose. Press and hold power button for more than 2 seconds to complete setting process
and back to standby mode. If pressing and holding setting button before holding down power
button, setting mode begins again from setting of output frequency.
6. Press setting button. Check inverter’s setting is as same as the setting you chose.

Figure 5.1 LED and settings button
Table 5.1 LED color of settings
LED

Power LED

Battery LED

Load LED

LED ColorGreen●

50Hz, Low power mode*

200VacBuzzer ON, bright LED*

Yellow●

60Hz, Low power mode

220VacBuzzer ON, dark LED

Blue

●

50Hz, Normal mode

230Vac*Buzzer OFF, bright LED

Purple●60Hz, Normal mode

240VacBuzzer OFF, dark LED* Default setting.

125-2 Indicators of Setting during Operation
It is possible to check the current settings during operation by pressing setting button, refer to Table 5.1.
Settings cannot be changed during operation.

5-3 Operation ModeIn low power mode, DIASINE® optimizes its operating condition depending on input voltage and load tosuppress power consumption at low load. It is particularly effective when inverter operates for a long time
at a small load of 0 to 100W. Changing mode setting will not change output waveform. However, under
low power mode condition, if load suddenly increased, such as in the moment of a load activating, output
waveform may be interrupted for a half cycle time about 10 milliseconds in the case of 50Hz output.
Without regard to load, for not to interrupt output waveform, please choose the normal mode. Regardlessof the operation mode, output may stop momentarily when output current exceeds full rated current.

5-4 Sleep Mode
DIASINE® switches to standby mode after connecting batteries; power LED lights orange and other LEDs
light off. Under standby mode, hold power button and setting button simultaneously for 3 seconds, turns
inverter to sleep mode. Under sleep mode, all LEDs light off, power consumption can be suppressed morethan standby mode. DIASINE® in sleep mode, is as same as standby mode, can be activated by power
button or remote connector. However, settings cannot be confirmed or changed by pressing setting buttonin sleep mode. Hold power button and setting button again for 3 seconds turns inverter back to standby
mode. Disconnect battery to cancel sleep mode.

5-5 Protective Function
To prevent error operation, DIASINE® is equipped with functions listed below.
A. Reversed battery polarity protection: Reverse warning LED near the grounding terminal in the rearof DIASINE® stands red when battery polarity is connected reversely. Please reconnected tocorrect polarity.

B. Battery undervoltage protection: When battery voltage is lower than undervoltage warning value,
inverter beeps three times consecutively around every 5 seconds. When battery voltage is lower
than shutoff undervoltage value, DIASINE® automatically shuts off the output, inverter beeps fivetimes consecutively around every 5 seconds with battery LED blinks red. When battery voltage ishigher than undervoltage recovery value, DIASINE® automatically resume output. DIASINE® does
not beep when buzzer setting is OFF.

13

MEMO

The undervoltage protection might work under the conditions such as
the load consumes too heavy output power at the time of the engine
starting. It might cause the output stops since the battery voltage drops.

C. Battery overvoltage protection: If battery voltage is higher than overvoltage warning value, inverter
beeps three times consecutively around every 5 seconds. When battery voltage is higher thanshutoff overvoltage value, the inverter automatically shuts off output, inverter beeps five times
consecutively around every 5 seconds with battery LED lighting red. When battery voltage is lower
than overvoltage recovery value, DIASINE® automatically resume output. Inverter does not beep
when the buzzer setting is OFF.

CAUTION

Damage Hazard
Please choose battery within inverter input voltage range. If using 12V
battery with 24V model, battery voltage is lower than input voltage
range, inverter will not operate. Conversely, if using 48V battery with
24V model, battery voltage is higher than input voltage range, inverter
may be damaged.

D. Over temperature protection: When internal temperature of inverter is higher than over temperature
warning value, inverter beeps three times consecutively around every 5 seconds. When theinternal temperature further rises, over temperature protection works and automatically shuts off
output, inverter beeps five times consecutively around every 5 seconds with power LED lighting
red. When internal temperature drop to lower than the value, inverter automatically resumes output.
E. Output voltage error protection: When the AC output voltage is too high or too low, inverter shuts
off the output, inverter beeps five times consecutively around every 5 seconds, and the load LED
lights red. To cancel the protective status, please restart the Inverter.
F. Output short-circuit protection: When output terminal of inverter is short-circuited or the loadsuddenly increases, inverter stops AC output, inverter beeps five times continuously every 5
seconds, and load LED lights red. To cancel this protective status, please restart inverter.
G. Overload protection functions: When output is within the range of 100%~120% rated power,
continues for about 3 minutes or more, and output continues for about 3 seconds more than 120%
rated power, overload protective functions is activated to cut off output and buzzer. Inverter beeps
five times consecutively every 5 seconds with load LED lighting red. Restart inverter to cancel
overload protective functions.

MEMO

Protective functions can be canceled through turning output ON/OFF
restarting inverter by remote connector. Find out the possible reasonscausing protective functions work. Remove these errors first before
restarting inverter.

Refer to Table 5.2 for input voltage setting values of protective functions. Also, refer to Table 6.4 for LED
indicators when protective functions work.

14

Table 5.2 The input voltage setting value of protection
Undervoltage

Overvoltage

Model

Warning

Shut off

ResumeWarning

Shut off

Resume212

11.5Vdc

10.5Vdc

12.5Vdc

16.5Vdc

17.0Vdc

16.5Vdc

224

23.0Vdc

21.0Vdc

25.0Vdc

33.0Vdc

34.0Vdc

33.0Vdc

248

46.0Vdc

42.0Vdc

50.0Vdc

66.0Vdc

68.0Vdc

66.0Vdc

When warning and protective functions work, buzzer could be set OFF by pressing setting button. If buzzer
has been set OFF, inverter beeps again when other warning or protective functions work again. Moreover,even the warning status is cancelled, inverter beeps again when it turn to warning status again.
Example 1. Undervoltage warning is working and inverter is beeping. The buzzer has been set OFF bysetting button. Inverter beeps again when it shuts off because of undervoltage protection.
Example 2. Over temperature warning is working and inverter was beeping. The buzzer has been set
OFF by setting button. After temperature drops and warning released, inverter beeps again
when temperature warning works again.
To set the buzzer OFF, refer P.12 to change the settings. (Refer to P.12)

5-6 Remote Connector
As the figure 5.4 method 1, input battery voltage to ENABLE+ (EN+) terminal of remote connector to turninverter output ON. Inverter turns to standby mode or sleep mode when input removed. As the figure 5.4
method 2, connect ENABLE- (EN-) terminal and GND terminal to turn inverter output ON. Disconnect
EN- terminal and GND terminal to turn inverter to standby mode or sleep mode. Power LED lights blue
when inverter turned ON by remote connector. Inverter can be operated either by method 1 or method 2.
When inverter turned on by EN+ terminal or EN- terminal input, press power button to turn inverter tostandby mode or sleep mode. Output cannot be turned on until EN + terminal or EN - terminal input has
been once removed even press power button under this mode.
・Method■Method11

・Method■Method22

EN+

EN-

Short: ON
Open: OFF

Battery

GND

Short: ON
Open: OFF

Figure 5.4 The wiring of remote connector

5-7 Optional Terminal
DIASINE® can achieve various application by using optional terminals on the rear of inverter. Check
DENRYO Official Website for more details.

15

6. LED Indicators
The blinking frequency of each LED indicator is once in two seconds,

MEMO

repeat lighting and off.

6-1 The LED Indicator in Normal Status
Power LED: Power LED indicates ON/OFF status of output or over temperature warning status. Refer toTable 6.1 for indicators of LED colors and status.
Table 6.1 Power LED Indicators
LED

Power LED

LED Colors
Orange●StandbyBlinking orange●●●●●

Standby/ Sleep (Turned ON by remote connector*)

Green

●

Power ONBlue●

Power ON (Remote is operating)

Blinking yellow●●●●●

Over temperature warning*When inverter turned ON by remote connector, and turned OFF by power button, power LED blinks orange. In this case,
output cannot be turned on until remote connector connection has been once removed. Power LED blinks orange even insleep mode.

Battery LED: Battery LED indicates voltage value of battery during operation. Refer to Table 6.2 forindicators of LED colors and voltage value of battery. For battery voltage value of 224 and 248 models,
multiply values listing below by 2 or 4 times.
Table 6.2 Battery LED Indicators
LED

Battery LED

LED Colors
Blinking yellow●●●●●

Input voltage 10.5-11.5Vdc

Yellow●

Input voltage 11.5-12.0Vdc

Green

●

Input voltage 12.0-14.0Vdc

Blue

●

Input voltage 14.0-16.5Vdc

Purple●Input voltage 16.5-17.0Vdc

16

Load LED: Load LED indicates percentage of output power during operation. Refer to Table 6.3 forindicators of LED colors and percentage of output power.
Table 6.3 Load LED Indicators
LED

Load LED

LED Colors
Blue●

0-40% output power

Green

●

40-70% output power

Yellow●

70-100% output power

Blinking yellow●●●●●

Over than 100% output power

6-2 LED Indicators when Protective Function Activates
When DIASINE’s protective functions work, LED indicates status of protective function and cut off
outputting. Refer to Table 6.4 for LED indicators and status of protective functions.
Table 6.4 The Indicators of protective functions
Lighting LED

Power LED

Battery LED

Load LED
All LED

Indicators
Blinking

●●●●●

---

Red
Red

Input

AC output error

undervoltage●

Over temperature

Input

Overload/Loadovervoltage

terminal shortcircuited* Please consult with dealer if internal error occurs.

17Internal error*

7. Troubleshooting Guide
Error Condition

Possible Cause
Input voltage error
Battery LED lights red/ blinks red
Over temperature protection
Power LED lights red

No AC output
voltage

Overload protection
Load LED lights red
Short-circuit protection
Load LED lights red
AC output terminal wiring problem

Short operation
time of inverter
Output voltage,
frequency error

Power LED does
not light up evenconnecting battery

Internal error
All LEDs light red/blink red
Battery problem
Lack of battery capacity
Wrong setting

Change settings (Refer to P.12)

Reversed connection of battery
polarity
Reversed connection warning LED
lights red
Internal fuse cuts off

Under sleep mode
Remote connector
does not work

Wiring problem

Unusual noises
when loads operate

Solution
Check DC input voltage and take input
voltage within the specification.
Check if ventilation is blocked or air
temperature is too high. Please reduceload capacity or lower air temperaturearound inverter.
Check if load capacity, including
instantaneous value, exceeds rated
value of load or not.
Check if load wiring
connection is short-circuited or not.
Check if wiring connection to AC output
terminal is appropriate or broken.
Internal parts of inverter may bedamaged. Please consult the dealer.
Please change battery.
Please check battery specifications andincrease battery capacity.

Switching noisesuch as radio

Reconnect correct polarity
Internal parts of inverter may bedamaged. Please consult with the dealer.
Hold power and setting button for 3
seconds. If LED still not lighting up,
disconnect battery and reconnect after 5
seconds.
Check if wire connection of remoteconnector is correct.
Try ways* below to reduce noise:
1. Keep inverter away from loads
2. Wire grounding terminal
3. Install appropriate line filter circuit* The effect differs depending on environments or devices

If the error condition cannot be solved, please consult the dealer.

18

DENRYO CO., LTD.
28-5, Nishinippori 2Chome, Arakawa -ku,
Tokyo 116-0013, Japan
Phone : +81-3-3802-3671
FAX : +81-3-3802-2974
Email: info-en@denryo.com
www.denryo.com/en
DM-532519