
MEP 660 - Trouble shooting Manual
Doc No.: IM – 51
Rev.2.0
Print: October 2008
156
PARAMETER
DESCRIPTION
FAULT CODE
1145
FAULT MESSAGE Auxiliary Generator Output Circuit Open FAULT
No Battery Charging. Warning: Battery Life Limited. Loco may STALL.
RESTRICTIONS
Battery charging.
ALARM BELL
5 Sec.
RESET LEVEL
Low, Manual
After manual reset if the fault still present, the fault will be generated
again.
FAULT
RECOVERY
Automatic when Aux. Gen. Out put circuit is detected as closed.
PROBABLE
CAUSES
1. Defective wiring (Open circuited at Aux. Gen. TB or back side TB.)
2. Defective Aux. Gen.
3. Defective AGAI current sensor.
FAULT
ISOLATION
1. Set the display mode to ‘Auxiliary’ under ‘Display Mode’ menu.
2. Crank the engine and switch ON AGFB.
3. If AGFI is more than zero and aux. Gen. voltage is 72V and AGAI is
showing zero, then there is an external open circuit after the Aux.
Gen.
A. Check up terminals at the back side TB for any burnt / fused
terminals of the Aux. Gen.
B. Identify and replace the defective wiring.
4. If BATI is showing and AGAI is showing less than BATI then AGAI
current sensor is defective. Replace and check up