Wheel System, Traction191Service Manual
SC6500|Troubleshooting ChartFlashCode#Programmer LCDDisplay/ Effect Of FaultPossible Cause(s) Set/Clear Conditions16 Controller SevereOvertempShutdownMotor;ShutdownMainContactor;ShutdownEMBrake;ShutdownThrottle;FullBrake; ShutdownPump.1. See Monitor menu » Controller:Temperature.2. Controller is operating in anextreme environment.3. Excessive load on vehicle.4. Improper mounting ofcontroller.Set: Heatsink temperatureabove +95°C (+203°F)Clear: Bring heatsinktemperature below +95°C(+203°F), and cycle interlock orKSI.17 Severe UndervoltageReduced drive torque.1. Battery Menu parameters aremisadjusted.2. Non-controller system drain onbattery.3. Battery resistance too high.4. Battery disconnected whiledriving.5. See Monitor menu » Battery:Capacitor Voltage.6. Blown B+ fuse or maincontactor did not close.Set: Capacitor bank voltagedropped below the SevereUndervoltage limit with FETbridge enabled.Clear: Bring capacitor voltageabove Severe Undervoltagelimit.18 Severe OvervoltageShutdownMotor;ShutdownMainContactor;ShutdownEMBrake;ShutdownThrottle;FullBrake; ShutdownPump.1. See Monitor menu » Battery:Capacitor Voltage.2. Battery menu parameters aremisadjusted.3. Battery resistance too high forgiven regen current.4. Battery disconnected whileregen braking.Set: Capacitor bank voltageexceeded the SevereOvervoltage limit with FETbridge enabled.Clear: Bring capacitor voltagebelow Severe Overvoltagelimit, and then cycle KSI.22 Controller OvertempCutbackReduced drive and braketorque.1. See Monitor menu » Controller:Temperature.2. Controller is performance-limited at this temperature.3. Controller is operating in anextreme environment.4. Excessive load on vehicle.5. Improper mounting ofcontroller.Set: Heatsink temperatureexceeded 85°C. (+185°F)Clear: Bring heatsinktemperature below 85°C.(+185°F)
