Cushman HAULER 800 2012 Technician's Repair And Service Manual page 88

ELECTRONIC SPEED CONTROL - HAULER 1000
Read all of Section B and this section before attempting any procedure. Pay particular attention to all Notices, Cautions, Dangers and Warnings.
B
Fault Fault
Code
- - - Direction Selector Fault Vehicle Operates in
- - - No Buzzer
0 - 0 No Fault Codes
The following codes require the rear wheels be raised before performing tests:
1 - 1 Hardware Failsafe
1 - 2 Throttle Fault 1
1 - 3 Speed Sensor Fault
1 - 4 High pedal disable
1 - 5 Motor stall
2 - 1 Low Battery Voltage
2 - 2 High Battery Voltage
2 - 3 Thermal Cutback
2 - 4 Main driver on
2 - 5 Aux coil fault
3 - 1 Main driver off
3 - 2 Solenoid Welded
3 - 3 Precharge fault
3 - 4 Field missing
3 - 5 Aux driver off
4 - 1 Current sense fault
Page F-22
Vehicle Operation
Change
• At Direction Selector check wiring
One Direction Only
Buzzer Inoperative • Verify Run-Tow/Maintenance Switch is in 'RUN' position;
• Verify 48 volts at J1 Pin 10; Repair/replace Pin 10 wire;
• Verify 48 volts at J1 Pin 1; Repair/replace Logic Power;
• (In Reverse) Verify 48 volts at J1 Pin 2; Repair/replace wire or micro
switch in Direction Selector switch
Vehicle Inoperative • Open Pedal Box, verify micro switch wiring is connected & is not dam-
with Key ON aged; Repair/replace as necessary;
• Direction Selector Forward micro switch OPEN, verify switch is opera-
tional and wiring is connected & not damaged; Repair/replace as neces-
sary;
• Verify Key Switch is operational; Repair/replace as necessary
Vehicle will not run • Check motor wiring; Replace controller
Vehicle will not run • Check pedal box adjustment, connections; Replace ITS
Vehicle runs slowly • Check speed sensor magnet, wire, sensor & connector connections;
Replace speed sensor if necessary
Vehicle will not run • Release and reapply pedal; Check pedal box, linkage, switch, key
switch
Vehicle stopped • Remove mechanical blockage
Vehicle performance • Perform discharge test; Charge batteries/replace bad batteries
reduced
Vehicle performance • Verify that battery system is less than 48 volts
reduced
Vehicle performance • Allow controller to cool and verify heat sink bolt tightness
reduced
Vehicle runs slowly • Solenoid driver defective; Replace controller
Vehicle will not run • Check Walkaway relay wiring
Solenoid does not • Replace controller
close
Vehicle runs slowly • Replace solenoid
Vehicle will not run • Check for additional electronics attached to B+; Replace controller
Solenoid closes, Vehi- • Check wiring; Replace power harness and motor if required
cle will not run
Vehicle will not run • Check Walkaway relay wiring; Replace controller
Vehicle will not run • Replace controller
Fig. 20 48 volt Fault Codes
Repair and Service Manual
Corrective Action
Bad - Replace/repair wiring; Good - Replace selector switch