SECTION 7 - DIAGNOSTIC TROUBLE CODES
7-16
3121788
447
VOLTAGE REFERENCE OUT OF
RANGE
None
4_4
• DriveState = PREVENTED
• LiftUpState = PREVENTED
The Ground Modules 5V supply voltage was
measured to be out of range (<4.5V or >5.5V).
This may be caused by loose battery terminal,
severely discharged batteries, a damaged bat-
tery, or an improper wire harness connection.
X
4473 POWER MODULE VOLTAGE TOO
LOW - REDUCED OPERATION
None
4_4
• DriveState =CREEP
• LiftUpState = CREEP
Curtis Code 23:B+ Undervoltage Cutback
Set
: Capacitor bank voltage dropped below the
Undervoltage limit with FET bridge enabled
Effect:
Reduced Drive Torque
Possible Cause:
•
Normal operation. Fault shows that the bat-
teries need recharging. Controller perfor-
mance limited at this voltage.
•
Battery menu parameters are mis-adjusted
•
Non-controller system drain on battery
•
Battery resistance too high.
•
Battery disconnected while driving
•
See Monitor menu>>Battery: Capacitor Volt-
age
•
Blown B+ fuse or main contactor did not
close
X
4474 POWER MODULE VOLTAGE TOO
HIGH - REDUCED OPERATION
None
4_4
• DriveState =CREEP
• LiftUpState = CREEP
Curtis Code 24: B+ Overvoltage Cutback
Set:
Capacitor bank voltage exceeded the Over-
voltage limit with FET bridge enabled
Effect:
Reduced Brake Torque
Possible Cause:
•
Normal operation. Fault shows that regen
braking currents elevated the battery voltage
during regen braking. Controller perfor-
mance limited at this voltage.
•
Battery menu parameters are misadjusted
•
Battery resistance too high for given regen
current.
•
Battery disconnected while regen braking
•
See Monitor menu>>Battery: Capacitor Volt-
age
X
4475 POWER MODULE - BDI FAULT
None
4_4
• DriveState = PREVENTED
• LiftUpState = PREVENTED
Curtis Code 96: Pump BDI Fault
Set:
BDI Percentage charge at 0% when the
pump was activated.
Effect:
ShutdownPump
Possible Cause:
•
Battery is fully discharged
•
BDI parameters are mis-tuned
X
Table 7-1. Diagnostic Trouble Codes (DTC)
DTC
Help Message
Alarm
Flash
Code
Action
Trigger
3246R
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