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12
Troubleshooting
ELECTRICAL SYSTEM TROUBLESHOOTING:
IQ PLUS ELECTRIC VEHICLES
TROUBLESHOOTING GUIDE 2
_
TROUBLESHOOTING GUIDE 2
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
Batteries discharged
Charge batteries
Improper or poor battery connections
Check vehicle wiring.
See Wiring Diagrams
beginning on page
Battery charger is connected to the vehicle –
Solenoid lockout feature has disabled the vehicle
Disconnect the battery charger from the vehicle
Key switch and MCOR limit switch circuit
Check for loose or disconnected wires at key
switch and MCOR
Failed key switch
Test Procedure 7 – Key Switch and MCOR Limit
Failed MCOR
Test Procedure 7 – Key Switch and MCOR Limit
Switch Circuit on page 12-23 See also Test
Procedure 12 – MCOR Voltage on page 12-27
Forward/Reverse rocker switch
Test Procedure 8 – Forward/Reverse Rocker
Solenoid – loose wires
Test Procedure 9 – Solenoid Activating Coil on
Solenoid – failed coil
Test Procedure 9 – Solenoid Activating Coil on
Solenoid – failed solenoid diode
Test Procedure 9 – Solenoid Activating Coil on
Speed controller thermal cutback
Allow controller to cool and ensure that vehicle is
not over-loaded before returning to operation
24-pin connector at speed controller
Check for loose or disconnected wires at the
24-pin connector.
See also
24-Pin Connector on page 12-33.
High pedal detect
Cycle accelerator pedal
Motor stall
Cycle accelerator pedal
Motor failure
Section 16 — Motor (Model DA5-4006): Electric
Failed Run/Tow switch
Test Procedure 3 – Run/Tow Switch on page 12-18
Vehicle does not operate
Speed controller failure
Replace speed controller.
TABLE CONTINUED ON NEXT PAGE
Page 12-12
2017 Carryall 500 and 700 Maintenance and Service Manual
Содержание Carryall 500
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