Cushman HAULER 800 2012 Technician's Repair And Service Manual page 207

Read all of Section B and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
ELECTRICAL SYSTEM
Condition
VEHICLE WILL NOT MOVE
Refer to Section F (Electronic Speed
Control - HAULER 1000) for HAULER
1000 vehicle.
VEHICLE SPEED ERRATIC
NO REDUCED SPEED IN REVERSE Faulty ESC system
MOTOR NOISY
BATTERIES WILL NOT CHARGE
BATTERIES WILL NOT CHARGE
(Continued)
Basic Electrical Power System
Troubleshooting
To diagnose electrical problems in the electrical power
system, refer to the ELECTRONIC SPEED CONTROL -
HAULER 1000 (48 VOLT) section.
Basic Electrical Troubleshooting for
Accessories
To diagnose elecrical problems in the vehicle electrical
wiring system, refer to the ELECTRICAL SYSTEM sec-
tion.
TROUBLESHOOTING - HAULER 1000
Possible Cause
Faulty ESC system
Damaged bearing
Raised commutator bar(s)
Loose motor mounting hardware
Charger not functioning correctly
Vehicle charging wiring faulty
Vehicle/charger connector damaged
Battery case damaged
Low electrolyte level
Battery capacity deficient
Damaged battery
Repair and Service Manual
Correction
Test and replace components as
indicated by test procedure
Test and replace components as
indicated by test procedure
Replace bearing
Replace motor
Tighten
Repair or replace charger
Repair or replace wiring
Replace connector
Replace battery
Maintain correct electrolyte level
Hydrometer/load test
Replace battery if required
Replace battery
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