Kohler Curtis AC F2-T User Manual

7 — DIAGNOSTICS AND TROUBLESHOOTING
Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022 Return to TOC
pg. 234
Table 24 Fault Code Troubleshooting Chart, cont’d
FLASH
CODE
FAULT NAME
(Curtis Integrated Toolkit™)
POSSIBLE CAUSES SET/CLEAR CONDITIONS FAULT ACTIONS
10-5
0xA5
Driver 5 Fault
Driver_5_Fault
0x2164
Fault Type(s):
1 = Driver current exceeded
hardware limits.
2 = Driver current exceeded
congured over-current limits.
3 = Driver commanded PWM
active, using diagnostic
pulses. Voltage measured
high, should be low. Typically
caused by driver failure, or
driver pin short to high.
4 = Driver commanded PWM
active, using diagnostic pulses.
Voltage measured low, should
be high. Either open circuit, or
driver pin short to ground.
5 = Driver commanded PWM is
0, and voltage measured low
(should be high). Either open
circuit, or driver pin short
to ground.
7 = Driver undercurrent -
Monitored current is below
undercurrent threshold.
Fault types 1-2 are
always checked.
Fault types 3-5 are only
checked if driver checks
are enabled.
1. Open or short on driver load.
2. Dirty connector pins at controller
or contactor coil.
3. Bad connector crimps or
faulty wiring.
4. Driver overcurrent, as set by the
Driver 5 Overcurrent parameter.
5. See Programmer » Controller
Setup » Outputs » Driver 5 » Driver
5 Overcurrent.
Set: Driver 5 is either open or
shorted, or Driver 5 exceeded
its overcurrent setting.
Clear: Correct the open or short,
and then Reset Controller.
ShutdownDriver5
Dual Drive
This Motor:
ShutdownDriver5
Other Motor:
No Action

Kohler Curtis AC F2-T Specifications

General

Brand	Kohler
Model	Curtis AC F2-T
Category	Controller
Language	English