HPEVS Curtis 1239 E, Electrical Schematics And Documentation, Page: 47 / 57

47
Code
PROGRAMMER LCD DISPLAY
EFFECT OF FAULT
POSSIBLE CAUSE SET/CLEAR CONDITIONS
56
E7 COMM Fault
1) CAN Bus wire/connector broken.
2) Power to the enGage VII has been
lost
Set:
CAN Bus communication
failure from the BMS to the
controller
Clear: Check CAN Bus wiring
for broken wires and
connectors. Verify that the
enGage VII is powered and
running.
57
Motor Over Temperature
1) Motor temperature is above the
programmed Temperature Hot setting
Set: Motor temperature
exceeded the maximum
allowed temperature of 160°C
Clear: Turn off system and
wait for motor to cool. Clear
any situation that is causing
the overheating issue.
62
Secondary CAN Shutdown Fault
1) Fault from primary controller Set: Primary controller has a
fault.
Clear: Determine what the
fault is on the primary
controller and clear. Cycle KSI
65
Secondary CAN Communication Fault
1) No power to secondary controller.
2) Broken wire in the CAN BUS wiring.
3) Faulty secondary controller.
Set: Secondary controller not
powered. Broken wire within
the CAN BUS wiring harness.
Faulty secondary controller.
Clear: Check wiring and the
fuse. Check the CAN BUS
wiring for continuity. Replace
the secondary controller.