Troubleshooting
20 312063Z
Hydraulic Drive System
Before performing any troubleshooting procedures:
1. Relieve pressure, page 26.
2. Turn main power OFF .
3. Allow equipment to cool.
Problems
Try the recommended solutions in the order given for
each problem, to avoid unnecessary repairs. Also,
determine that all circuit breakers, switches, and
controls are properly set and wiring is correct before
assuming there is a problem.
PROBLEM CAUSE SOLUTION
Electric motor will not start or stops
during operation.
Loose connections. Check connections at motor control
board.
Circuit breaker tripped. Reset breaker (813); see Circuit
Breaker Module, page 29. Check
230 Vac at output of breaker.
Damaged motor control board. Replace board. See Motor Control
Board, page 31.
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