To Next PageTo Next PageWhat does Coil Short/Driver Fault mean on Curtis 1205M Controller?
A Coil Short/Driver Fault on a Curtis Controller indicates: * The main contactor coil is shorted. * The internal driver transistor is shorted. To resolve this, check the connections and replace the main contactor if necessary.
What causes Under Voltage Cutoff on Curtis 1205M?
Under Voltage Cutoff on a Curtis Controller occurs when the battery voltage is at or below the programmed Under Voltage Cutoff threshold. To resolve this, ensure the battery voltage rises above the Under Voltage Cutback threshold.
What does Main Contactor DNC mean on Curtis 1205M Controller?
Main Contactor DNC (Did Not Close) on a Curtis Controller means that the voltage difference between KSI and the B+ busbar is less than the main contactor DNC threshold.
What to do if Curtis 1205M Controller has a Main Driver Fault?
If the Curtis Controller has a Main Driver Fault, it means the main contactor driver is broken. Replace the defective controller.
General| Brand | Curtis |
|---|---|
| Model | 1205M |
| Category | Controller |
| Language | English |
Details the physical mounting, dimensions, and environmental protection of the controllers.
Explains high-current busbars and low-current terminal connections for power and signals.
Illustrates wiring for main contactor and reverse input configurations.
Provides a step-by-step procedure to verify correct installation before operating the vehicle.
Explains how to interpret fault codes indicated by the Status LED.
Lists fault codes, names, effects, recovery, and possible causes for controller errors.
