
MEP 660 - Trouble shooting Manual
Doc No.: IM – 51
Rev.2.0
Print: October 2008
41
PARAMETER
DESCRIPTION
FAULT CODE
1037
FAULT MESSAGE Traction Motor 1 High Current While Motoring.
RESTRICTIONS
Tr. Motor No.1 is cutout and Dynamic brake is Prohibited.
ALARM BELL
30 Seconds
RESET LEVEL
Medium, Manual
After manual reset if the fault still present, the fault will be generated
again.
FAULT
RECOVERY
Automatic when Traction Motor current is reduced and Master
Controller Handle is brought to Idle. Automatic Fault Reset is permitted
for maximum 3 times in an hour, after which manual clearing is
required.
PROBABLE
CAUSES
1. Tr. Motor / car body cables grounded / short-circuited.
2. No.1 wheel might be locked physically or brakes are jammed.
3. Foreign materials fallen in between BKT/REV contacts.
FAULT
ISOLATION
1. Set the locomotive operation to motoring. Take necessary
precautions to move the locomotive.
2. Set the display mode to wheel slip.
3. Open 1
st
notch and observe the traction motor currents. If all the
traction motor currents are equal, there could be momentary short
circuit in the traction motor / car body cables while on run.
A. Check up the traction motor cables for any damage of insulation
or pressed cables.
4. If the current in traction motor No.1 is showing high,
A. Check for free movement of axle 1 with out any brake binding.
If necessary attend and make the wheel movement free.
B. Observe for any foreign materials in between BKT and REV
contacts. If found, remove them and attend to BKT/REV
contacts.
5. If the wheel is rotating freely and BKT / REV contacts are free from
foreign materials and still traction motor current is showing high as
compared to other motors, the TM1AI sensor might be defective.
Replace the sensor and check up.