42 - FORM NO. 56043098 - Convertamatic
™
24, 26, 28, 32 / BA 625, 725, 825
WHEEL DRIVE SYSTEM
WHEEL DRIVE TROUBLESHOOTING GUIDE
Problem Possible Cause
• Wheel drive motor will not run in forward and reverse.
• Wheel Drive Motor Circuit Breaker (F32) tripped (reset 30A circuit breaker)
• Control Circuit Circuit Breaker (F2) tripped (reset circuit breaker)
• Defective Wheel Drive Motor (replace motor) *
• Defective Throttle Potentiometer (R1) (replace) *
• Wheel drive in one direction only, loss of either
forward or reverse.
• Test the Fwd & Rev (R1) wiring outputs (pins 3, 4 & 13) at the speed
control for an open.
Repair wiring or replace the R1 pot.
• Controller can’t change electrical polarity to wheel motor.
Replace the (A1) speed control.
• Display LED panel shows an error 03 fault code. • Speed controller has sensed an operation error code fault. (see the Status
LED Fault Codes (Table 1) in the Electrical System)
* = See Curtis Speed Control Troubleshooting Section.
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