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Navy Cash Training 

Sales Unit 3: 

Maintenance Procedures
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Objectives

 Discuss basic maintenance and troubleshooting 

procedures on an iPA-280

 How to access the ITC CAD Diagnostic Menu

 Discuss basic troubleshooting procedures on an ITC 

CAD

 Explain procedures to add or remove a Vending 

Machine

 Discuss replacement of ITC CADs
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Preventive Maintenance

 Weekly 

– Clean card readers in the IPA 280s, KIOSKs, and CADs 

» Use card reader cleaners

 Basic Troubleshooting

– NC SOP 

– Maintenance Videos 

 Technical Support 

– Phone: Navy Cash CSU – 1-866-662-8922

– E-mail: navycashcenter@frb.org
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Troubleshooting NC Equipment

 Communication Troubleshooting 

– Communications Troubleshooting Guide

» Appendix S of NC SOP

 Basic Troubleshooting

– NC SOP 

– Maintenance Videos 

 Technical Support 

– Phone: Navy Cash CSU – 1-866-662-8922

– E-mail: navycashcenter@frb.org
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IPA-280 Troubleshooting 

Procedures
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Troubleshooting POS

 Rebooting the POS should always 

be the first step in troubleshooting

– Touch small RESET button with a stylus

 Clean or replace SAM chip 

 Replace SD card

 Replace any faulty POS with a new 

unit. Each ship is issued several 

spares.
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Troubleshooting POS

 Error Messages:

– Error Initializing SAM

» May occur during POS initialization because SAM 

is not present

 Action: Install SAM in POS device

– Error Authenticating Card

» Card is blocked

 Action: Have cardholder report to Disbursing 
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Troubleshooting POS

 Error Messages (cont)

– Examples:

» SD Card Error – SD card is not present or SD card 

message queue is full

 Action: Install SD card or if POS is offline and SD card is 

full, plug POS into network connection point

» SAM Error – SAM needs to be replaced

 Action: Clean SAM or replace SAM

» Boot up Errors (various) – occur when starting POS

 Action: Insert good SAM or SD Card, or reboot POS
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Other iPA-280 Errors

 Failed SD Card 

– Error: Initializing Backup Database

– Error: Opening Backup Data

– Actions: For both errors above, Replace SD Card, Power off /on 

the POS
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iPA 280 Batteries

 Two Batteries

– Lithium-ion battery

» Good for a normal day use 

– Backup battery (button 

cell) 

» imbedded in the 

motherboard of the POS

» Cannot be removed

» prevent data loss when 

changing rechargeable 

battery 

Lithium-ion Battery
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iPA 280 Batteries

 Both batteries are rechargeable 

 If the batteries both lose their charge, the 

date/time data on iPA 280 will be lost

– Current date defaults to year 2000 

− At this point iPA 280 will not work

− Error Message “ Card Initial date after current 

date” is displayed
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iPA 280 Batteries

 Action

− If both batteries discharge, the POS must be 

charged and connected so it can get the correct 

date/time and be functional again

− When using iPA 280, always ensure main 

battery pack (lithium-ion) is fully charged 

− Battery indicator is displayed at the top of screen

− Replace battery with good battery before the backup battery is discharged 
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ITC CAD Diagnostic Screens
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CAD Diagnostic Groups

Network 

Connectivity Status

Online/Offline

 Provide tools that 

can be helpful in 

managing, 

diagnosing, and 

solving problems 

with the CAD
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CAD Diagnostics Navigation

 To access the CAD 

Diagnostic Screen, 

press the left button 

for @ least 3 seconds

 Buttons are located 

below the screen and 

above the card reader.

Done Select Next

Left Middle Right
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CAD Diagnostics Navigation

CAD displays the “CAD Diagnostics” 

screen

Select “Start” by pressing the middle 

button to continue to the first diagnostic 

group
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CAD Diagnostics Navigation

CAD displays the first diagnostic group, 

i.e. “General”

Press the right (Next) button until the 

desired diagnostic group is displayed

Example:

Press the right button 4 times to access the 

“Queue” group 
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CAD Diagnostics Navigation

“Queue” group is displayed

Press “Select” to view the Total number of messages

Then, press “Select” or “Next” button to view the 

total Transactions in the queue
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CAD Diagnostics Navigation

The total number of “Transactions”

should read “zero”

Note: 

If other than zero, STOP and investigate. Do not

close machine until number of transactions shows

zero or open a case number with CSU for 

assistance

Press the left (Done) button twice to exit
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ITC CAD Troubleshooting 

Procedures
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Troubleshooting CAD

 Verify if ship’s network is up

– If network is down, do not cycle power

– CAD can operate in offline mode 

 Verify if routers are powered on

 Check the cables from the CADs to the routers

 Cycle power to the vending machine (turn off and 

turn on vending machine)

 Clean SAM chip or Replace SAM chip

 Check SD card

 Replace CAD from stock
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Troubleshooting CAD

 For Technical Assistance

– Contact Navy Cash Central Support Unit (CSU)

– CSU will assign a case number that will be used 

to track the trouble call

– CSU will handle trouble call directly or forward 

it to the proper person

– Use Navy Cash Trouble Call Worksheet
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Troubleshooting CAD

 Failed CADs

– When directed to return CAD to NC Depot, record the traceable 

tracking number and date shipped on the Trouble Call Worksheet

– Include Case # assigned by CSU and equipment serial number 

 Stuck transactions

– When directed, CADs with stuck transactions are sent to Cogent 

Systems 

– Record the traceable tracking number and date ship on the 

Trouble Call Worksheet

– Include Case # assigned by CSU and equipment serial number 

– Sales retain copy of Trouble Call Worksheet with monthly report 
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Troubleshooting CAD

 Card Readers

– Proper cleaning of the card readers can significantly 

reduce the incidence of card readers failing to read a 

Navy Cash Card

 Shipboard Network or NC Server down for 

extended period

– Revert to accepting cash (if authorized by CO)

– Replace CAD with a dollar bill validator and/or turning 

on the coin changer
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Troubleshooting CAD

 Error Messages are displayed if :

– SD Card is not present

– CAD is disabled

– Vending Machine is out of stock

– System Error

– Examples:

» Out of Service-SD – no SD card in the CAD

 Insert SD card

» CAD Disabled – no communications between CAD 

and MDB interface
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Add or Remove a Vending Machine

and

Changing CADs
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Adding a Vending Machine

 Ship’s responsibility

– To add/replace a vending machine

– Install CAD in the new Vending Machine 

– Contact Navy Cash CSU

– Pull cabling from nearest Navy Cash router

– Hook up new machine 

– Set up new machine in the Navy Cash System 

Configuration

– may contact NC Depot for assistance (any costs will be 

borne by the ship)

» Notes: 1. No transactions can occur

2. CAD must be associated with the Vending Machine on the 

Disbursing Application
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Adding a Vending Machine - cont. 

 Log in to the Navy Cash Disbursing Application

 Select “Vending and Ship’s Store” link

 Expand the Merchants and Vending Machines menu tree 

 Enter the New Vending Machine ID and location

 Select the CAD Terminal ID from the pull down menu

 Click on “Add Vending Machine” button
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Vending and Ship’s Store Screen 

Merchants and Vending 

Machine Menu Tree

•Expand (+)

•Collapse (-)
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CAD Diagnostic Information

Terminal ID
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Removing a Vending Machine

 Log in to the Navy Cash Disbursing Application

 Select “Vending and Ship’s Store” link

 Expand the Merchants and Vending Machines menu tree

 Highlight the appropriate Vending Machine

 Click on “Remove Vending Machine” button

 Keep the Navy Cash Ethernet and MDB cables

» Use the same cables when adding a new vending machine

 Note: When removing a CAD, ensure all transactions have been downloaded.
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Changing a CAD

 Log in to the Disbursing App 

 Click on “Vending and Ship’s Store” link

 Expand the Merchants and Vending Machines menu tree

 Highlight the appropriate Vending Machine

 Select the appropriate CAD Terminal ID from pull down menu 

 Click “Update Vending Machine Data” button

 Note: When changing/removing a CAD, verify that all transactions have been 

downloaded to the Navy Cash Server. 

Pull-down Menu
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Questions
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SALES UNIT 3 REVIEW

1. What causes the date on a POS Device to revert back to year 2000 

and how do you fix it?

2. How do you access the CAD diagnostic screens?

3. Where do you find a CAD’s Terminal ID?