Wheel System, Traction195Service Manual
SC6500|Troubleshooting ChartFlashCode#Programmer LCDDisplay/ Effect Of FaultPossible Cause(s) Set/Clear Conditions39 Main Contactor Did NotCloseShutdownMotor;ShutdownMainContactor;ShutdownEMBrake;ShutdownThrottle;FullBrake; ShutdownPump.1. Main contactor did not close.2. Main contactor tips areoxidized, burned, or notmaking good contact.3. External load on capacitorbank (B+ connection terminal)that prevents capacitor bankfrom charging.4. Blown B+ fuse.Set: With the main contactorcommanded closed, thecapacitor bank voltage (B+connection terminal) did notcharge to B+.Clear: Cycle KSI.41 Throttle Wiper HighShutdownThrottle.1. See Monitor menu » Inputs:Throttle Pot.2. Throttle Pot. wiper voltage toohigh.Set: Throttle pot wiper (pin 16)voltage is higher than the highfault threshold (can be changedwith the VCL function Setup_Pot_Faults).Clear: Bring throttle potwiper voltage below the faultthreshold.42 Throttle Wiper LowShutdownThrottle.1. See Monitor menu » Inputs:Throttle Pot.2. Throttle pot wiper voltage toolow.Set: Throttle pot wiper (pin 16)voltage is lower than the lowfault threshold (can be changedwith the VCL function Setup_Pot_Faults).Clear: Bring throttle potwiper voltage above the faultthreshold.43 Pot2 Wiper HighFullBrake.1. See Monitor menu » Inputs:Pot2 Raw.2. Pot2 wiper voltage too high.Set: Pot2 wiper (pin 17) voltageis higher than the high faultthreshold (can be changed withthe VCL function Setup_Pot_Faults()).Clear: Bring Pot2 wiper voltagebelow the fault threshold.44 Pot2 Wiper LowFullBrake.1. 1. See Monitor menu » Inputs:Pot2 Raw.2. 2. Pot2 wiper voltage too low.Set: Pot2 wiper (pin 17) voltageis lower than the low faultthreshold (can be changed withthe VCL function Setup_Pot_Faults()).Clear: Bring Pot2 wiper voltageabove the fault threshold.
