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Troubleshooting
Troubleshooting
Problem
Pressure gauge drops to zero while
in operation.
No hydraulic pressure.
Leaking hydraulic fluid around the
hydraulic filter.
24
Cause
Accumulator precharge is too high.
Motor is not turning.
Motor is spinning clockwise.
Leaking fluid from fittings.
Accumulator directional valve is not
charging.
Low hydraulic fluid level in oil reser-
voir.
Damaged or clogged filter.
Solution
Ensure accumulator precharge is
no more than 1200 psi.
Ensure main power is ON.
Ensure all electrical connections to
the motor are secure.
Check motor circuit breaker to see if
it has been tripped. Ensure all
cables are connected to FCM con-
nectors.
Replace motor. See page 29.
Ensure all cables are connected to
FCM connectors. See FCM Cable
Connections, page 14.
Switch two phases of incoming
power.
Tighten leaking fittings.
Ensure accumulator charging direc-
tional valve is shifting. Verify LED
lights turn ON and OFF.
Check circuit breaker to see if it has
been tripped.
Replace directional valve. See page
27.
Replace accumulator.
Ensure all cables are connected to
FCM connectors. See FCM Cable
Connections, page 14.
Check hydraulic fluid level. Refill as
necessary.
Replace hydraulic filter. See page
27.
3A0238G
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