TC reported LMRG fault. Unable to resetEB. TC feedback MR was at 8 bar.Fault subsequently self cl eared and MR pressure was able to charge up to above 9 bar. TC reset EB and proceeded in AM mode to next station. ~~~~~ 3690 - TC reported LMRG fault Unable to reset EB. TC feedback MR was at 8 bar. Fault subsequently self cleared and MR pressure was able to charge up to above 9 bar.  3690 No Air Comp or Air Dryer fault code. Function test & found #3690 air dryer purguing non stop intermittently.  MR at 8 bar. Replaced with new Air Dryer. Pneumatic test ok.                        #3689                 #3690 Cut-in         :      8.50 bar              8.60 bar Cut-out        :      10.5 bar              10.45 bar Charge-up time :      2m 15s                2m 10s Air leak rate  :              0.40 bar/5 min #3690 Air Dryer S/N : OLD : 3514 4502 37 NEW : 3515 210 285  Aliff/Daniel/Redzwan 45258