Kohler Curtis F Series User Manual

7 — DIAGNOSTICS AND TROUBLESHOOTING
pg. 209
Return to TOC Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022
Table 24 Fault Code Troubleshooting Chart
The text of Table 24 is available in the System Information (Sys Info) le.
Note that the indicated CAN Index is useful to search within Sys Info and the List View in CIT Programmer.
- The fault’s “active” status (the icon in CIT Programmer) is sub-index of 01.
- The fault’s “type” has the sub-index of 06.
FLASH
CODE
FAULT NAME
(Curtis Integrated Toolkit™)
POSSIBLE CAUSES SET/CLEAR CONDITIONS FAULT ACTIONS
1-2
0x12
Controller Overcurrent
Controller_Overcurrent
0x2510
Fault Type(s):
1 = Controller Overcurrent
Phase U
2 = Controller Overcurrent
Phase W
3 = Controller Overcurrent
Phase V
4 = Irms > 120 % Current Limit
1. External short of phase U, V, or W
motor connections.
2. Speed encoder noise problems.
3. Motor parameters are mistuned.
4. Controller defective.
Set: Phase current exceeded
the current measurement limit.
Clear: Reset Controller.
ShutdownVehicle:
ShutdownMotor
ShutdownMainContactor
ShutdownEMBrake
ShutdownThrottle
FullBrake
ShutdownPump
Dual Drive
This Motor:
ShutdownVehicle
Other Motor:
ShutdownVehicle
1-3
0x13
Current Sensor
Current_Sensor
0x2832
Fault Type(s): 1
1. Leakage to vehicle frame from
phase U, V, or W (short in
motor stator).
2. Controller defective.
Set: Controller current sensors
have invalid offset reading.
Clear: Reset Controller.
ShutdownVehicle
(except pump):
ShutdownMotor
ShutdownMainContactor
ShutdownEMBrake
ShutdownThrottle
FullBrake
Dual Drive
This Motor:
Same
Other Motor:
Same
1-4
0x14
Precharge Failed
Precharge_Failed
0x2223
Fault Type(s):
1 = Abort
2 = Energy Limit Exceeded
3 = Time Limit Exceeded
1. An external load on the capacitor
bank (B+ connection terminal)
that prevents the capacitor bank
from charging.
2. See Programmer » System Monitor
menu » Controller » Capacitor
Voltage.
Set: The precharge failed to
charge the capacitor bank.
Clear: Cycle Interlock or Reset
Controller.
ShutdownVehicle:
ShutdownMotor
ShutdownMainContactor
ShutdownEMBrake
ShutdownThrottle
FullBrake
ShutdownPump
Dual Drive
This Motor:
ShutdownVehicle
Other Motor:
ShutdownVehicle
TROUBLESHOOTING CHART

Kohler Curtis F Series Specifications

General

Brand	Kohler
Model	Curtis F Series
Category	Controller
Language	English