2020
InstrumentInstrument
displaydisplay
DisplayDisplay
codecode
Handheld display faultHandheld display fault
codecode
Possible causePossible cause
2 , 22 , 2
Controller OvertempController Overtemp
CutbackCutback
1. Controller is performance-limited at this temperature1. Controller is performance-limited at this temperature
(above 85°C).(above 85°C).
2. Controller is operating in an extreme environment.2. Controller is operating in an extreme environment.
3. Excessive load on vehicle.3. Excessive load on vehicle.
4. Improper mounting of 4. Improper mounting of controllercontroller..
5. See 1311 menu Monitor 5. See 1311 menu Monitor » Controller: Te» Controller: Temperature.mperature.
2 2 , , 3 3 Undervoltage Undervoltage CutbackCutback
1. Normal operation. Fault shows that the batteries need1. Normal operation. Fault shows that the batteries need
recharging.recharging.
Controller is performance-limited at this voltage.Controller is performance-limited at this voltage.
2. Controller battery parameters are misadjusted.2. Controller battery parameters are misadjusted.
3. Check for non-controller s3. Check for non-controller system drain on battery.ystem drain on battery.
4. Battery resistance too high.4. Battery resistance too high.
5. Battery disconnected while driving.5. Battery disconnected while driving.
6. See 1311 menu Monitor » Battery: Capacitor Voltage.6. See 1311 menu Monitor » Battery: Capacitor Voltage.
7. Blown B+ fuse or main contactor did not close7. Blown B+ fuse or main contactor did not close
2 2 , , 4 4 Overvoltage Overvoltage CutbackCutback
1. Normal operation. Fault shows that regen braking1. Normal operation. Fault shows that regen braking
currents elevated the battery voltage during regencurrents elevated the battery voltage during regen
braking.braking.
Controller is performance-limited at this voltage.Controller is performance-limited at this voltage.
2. Battery parameters are misadjusted.2. Battery parameters are misadjusted.
3. Battery resistance too high for given regen current.3. Battery resistance too high for given regen current.
4. Battery disconnected while regen braking.4. Battery disconnected while regen braking.
5. See 1311 menu Monitor » Battery: Capacitor Voltage.5. See 1311 menu Monitor » Battery: Capacitor Voltage.
2 2 , , 5 5 +5V +5V Supply Supply FailureFailure
1. External load impedance on the +5 V supply (pin 26)1. External load impedance on the +5 V supply (pin 26)
is too low.is too low.
2. See 1311 menu Monitor » Outputs: 5 Volts and Ext2. See 1311 menu Monitor » Outputs: 5 Volts and Ext
Supply Current.Supply Current.
2 2 , , 6 6 Digital Digital Out Out 6 6 OvercurrentOvercurrent
1. External load impedance on Digital Output 6 driver1. External load impedance on Digital Output 6 driver
(pin 19) is too low.(pin 19) is too low.
2 2 , , 7 7 Digital Digital Out Out 7 7 OvercurrentOvercurrent
1. External load impedance on Digital Output 7 driver1. External load impedance on Digital Output 7 driver
(pin 20) is too low.(pin 20) is too low.
2 2 , , 8 8 Motor Motor TTemp emp Hot Hot CutbackCutback
1. Motor temperature is at or above the programmed1. Motor temperature is at or above the programmed
Temperature Hot setting (above 145Temperature Hot setting (above 145°C°C), and the), and the
requested current is being cut back.requested current is being cut back.
2. Motor Temperature Control Menu parameters are2. Motor Temperature Control Menu parameters are
mistuned.mistuned.
3. See 1311 menus Monitor » Motor: Temperature and3. See 1311 menus Monitor » Motor: Temperature and
Monitor » Inputs: Analog2Monitor » Inputs: Analog2
4. If not using a thermistor, Temp Compensation and4. If not using a thermistor, Temp Compensation and
TTemp Cutback should be programmed emp Cutback should be programmed to OFFto OFF
2 2 , , 9 9 Motor Motor TTemp emp Sensor Sensor FaultFault
1. Motor thermistor is not connected properly.1. Motor thermistor is not connected properly.
2. If not using a thermistor, Temp Compensation and2. If not using a thermistor, Temp Compensation and
TTemp Cutback should be programmed emp Cutback should be programmed to OFFto OFF
3. See 1311 menus Monitor » Motor: Temperature and3. See 1311 menus Monitor » Motor: Temperature and
Monitor » Inputs: Analog2Monitor » Inputs: Analog2
3 3 , , 1 1 Coil Coil 1 1 Driver Driver Open/ShortOpen/Short
1. Open or short on driver load.1. Open or short on driver load.
2. Dirty connector pins.2. Dirty connector pins.
3. Bad crimps or faulty wiring.3. Bad crimps or faulty wiring.
3 3 , , 1 1 Main Main Open/ShortOpen/Short
1. Open or short on driver load.1. Open or short on driver load.
2. Dirty connector pins.2. Dirty connector pins.
3. Bad crimps or faulty wiring.3. Bad crimps or faulty wiring.
3 3 , , 2 2 Coil2 Coil2 Driver Driver Open/ShortOpen/Short
1. Open or short on driver load.1. Open or short on driver load.
2. Dirty connector pins.2. Dirty connector pins.
3. Bad crimps or faulty wiring.3. Bad crimps or faulty wiring.
3 3 , , 2 2 EM EM Brake Brake Open/ShortOpen/Short
1. Open or short on driver load.1. Open or short on driver load.
2. Dirty connector pins.2. Dirty connector pins.
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