Club Car Precedent Villager 2 2019 Maintenance And Service Manual page 220

12
Troubleshooting
TROUBLESHOOTING GUIDE 1
SYMPTOM
Diagnostic Menu – THROTTLE FAULT fault
code
Diagnostic Menu – HW FAILSAFE (Hardware
Failsafe) fault code
Diagnostic Menu – MAIN WELDED (main
solenoid contacts welded) fault code
Diagnostic Menu – MAIN DRIVER ON or MAIN
DRIVER OFF fault code
Diagnostic Menu – MAIN COIL FAULT fault
code or Diagnostic Menu – MAIN DROPOUT
(1 or 2) fault code
Diagnostic Menu – FIELD MISSING fault code
Diagnostic Menu – HPD (high pedal detect)
fault code
Diagnostic Menu – LOW BATTERY fault code
Diagnostic Menu – MOTOR STALL fault code
Page 12-8 2019 Precedent,Villager 2 and 4 Maintenance and Service Manual
POSSIBLE CAUSES
Loose or disconnected three-pin connector at
the MCOR or broken wire
Loose or disconnected 16-pin connector at
speed controller or broken wire
Failed MCOR
Armature drive FETs (field-effect transistors)
inside speed controller have failed
Speed controller logic malfunction
solenoid contacts have failed closed
Speed controller logic malfunction
Failure of the FET that controls the solenoid
coil
Solenoid coil has failed in an open condition
Loose or disconnected motor field coil wires at
motor or speed controller or broken wire
Failure of the motor field windings
Failure of the FETs that control field current
Operator error
Batteries require charging
Improperly maintained or failed batteries
Operator error
ELECTRIC VEHICLE - TROUBLESHOOTING
AND ELECTRICAL SYSTEM
CORRECTIVE ACTION
Repair and/or connect the three-pin connector
to the MCOR
Repair and/or connect the 16-pin connector
to the speed controller
Test Procedure 11 – MCOR Voltage on page
12-23
Replace the speed controller. See Speed
Controller Removal on page 13-12.
Disconnect the batteries and allow the
speed controller capacitors to discharge.
See WARNING "To avoid unintentionally
starting..." in General Warnings on page
1-2. Reconnect the batteries and see if the
symptom returns.
Replace solenoid. See Solenoid Removal on
page 13-13.
Disconnect the batteries and allow the
speed controller capacitors to discharge.
See WARNING "To avoid unintentionally
starting..." in General Warnings on page
1-2. Reconnect the batteries and see if the
symptom returns.
Replace the speed controller. See Speed
Controller Removal on page 13-12.
Replace solenoid. See Solenoid Removal on
page 13-13.
Repair and/or connect the field coil wires
Section 16 — Electric Vehicle - Motor
Replace the speed controller. See Speed
Controller Removal on page 13-12.
Train operators to fully remove foot from
accelerator pedal before turning key switch
to the ON position or changing the selected
direction with the Forward/Reverse switch
Place batteries on battery charger and allow
them to fully charge
Section 14 — Electric Vehicle - Batteries
Train operators to use the brake to hold the
vehicle on a hill, rather than holding the vehicle
on a hill using the accelerator pedal