Curtis Instruments AC F4-A User Manual

7 — DIAGNOSTICS AND TROUBLESHOOTING
pg. 167
Return to TOC Curtis AC F4-A Motor Controller – August 2020
Table 18 Fault Code Troubleshooting Chart, cont’d
FLASH
CODE
FAULT NAME
(Curtis Integrated Toolkit™)
POSSIBLE CAUSES SET/CLEAR CONDITIONS FAULT ACTIONS
1-7
0x17
Severe KSI Undervoltage
Severe_KSI_Undervoltage_
Active
0x2122
Fault Type(s): 1
1. Non-controller system drain on
battery/keyswitch circuit wiring.
2. Resistance in low power (KSI)
circuit is too high.
3. KSI disconnected while driving.
4. Blown fuse.
5. See Programmer » System Monitor
menu » Battery » Keyswitch
Voltage.
Set: When below Brownout
Voltage for 2 seconds.
Clear: Bring KSI voltage above
Brownout Voltage.
Fault Action:
None, unless a fault action
is programmed in VCL.
1-8
0x18
Severe B+ Overvoltage
Severe_B_Plus_Overvoltage_
Active
0x2130
Fault Type(s): 1
1. Battery parameters are misadjusted.
2. Battery resistance too high for
given regen current.
3. Battery disconnected while regen
braking.
4. See Programmer » System Monitor
menu » Controller » Capacitor
Voltage.
Set: Capacitor bank voltage
exceeded the Severe
Overvoltage limit with the FET
bridge enabled.
Clear: Bring capacitor voltage
below Severe Overvoltage limit,
and then Reset Controller.
ShutdownVehicle:
ShutdownMotor
ShutdownMainContactor
ShutdownEMBrake
ShutdownThrottle
FullBrake
ShutdownPump
1-8
0x18
Severe KSI Overvoltage
Severe_KSI_Overvoltage_Active
0x2132
Fault Type(s): 1
1. Battery-voltage applied to KSI (pin
1) exceeds the Severe Overvoltage
limit.
2. See Programmer » Monitor menu »
Battery » Keyswitch Voltage.
Set: KSI voltage exceeded the
Severe Overvoltage limit.
Clear: Bring KSI voltage below
the Severe Overvoltage limit,
and then Reset Controller.
ShutdownVehicle:
ShutdownMotor
ShutdownMainContactor
ShutdownEMBrake
ShutdownThrottle
FullBrake
ShutdownPump
1-9
0x19
Speed Limit Supervision
Speed_Limit_Supervision_
Active
0x2133
Fault Type(s): 1
1. Motor speed detected that exceeds
the limit set by the Max Speed
Supervision parameter.
2. Misadjusted Max Speed
Supervision parameters.
3. See: Programmer » Application
Setup » Max Speed Supervision
menu.
Set: Motor rpm has exceeded
the Max Speed Limit setting
for the Max Speed Time Limit
setting’s duration.
Clear: Reset Controller.
ShutdownInterlock
ShutdownEMBrake
1-10
0x1A
Travel Control Supervision
Travel_Control_Supervision_
Active
0x2134
Fault Type(s): 1
1. With the vehicle in the stopped
state, the detected motor
frequency and/or phase current
exceeds the limit set by the Travel
Control Supervision parameter.
2. Misadjusted Travel Control
Supervision parameters.
3. See: Programmer » Application
Setup » Travel Control Supervision
menu.
Set: The motor frequency and/
or and phase-current are above
their Travel Control Supervision
settings when in the stopped
state.
Clear: Reset Controller.
ShutdownVehicle:
ShutdownMotor
ShutdownMainContactor
ShutdownEMBrake
ShutdownThrottle
FullBrake
ShutdownPump
2-2
0x22
Controller Overtemp Cutback
Controler_Overtemp_Cutback_
Active
0x2140
Fault Type(s):1
1. Controller is operating in an
extreme environment.
2. Excessive load on vehicle.
3. Improper mounting of controller
which is preventing controller
cooling.
4. Controller is performance-limited
at this temperature.
5. See Programmer » System Monitor
menu » Controller: Temperature.
Set: Controller’s Heatsink
temperature exceeded 85 °C.
Clear: Bring heatsink
temperature below 85 °C.
Reduced drive torque.
Reduced regen-braking
torque.
Fault Action:
None, unless a fault action
is programmed in VCL.

Curtis Instruments AC F4-A Specifications

General

Brand	Curtis Instruments
Model	AC F4-A
Category	Controller
Language	English