User's Manual

Troubleshooting
24 3A0238P
Troubleshooting
Problem Cause Solution
Pressure gauge drops to zero while
in operation.
Accumulator precharge is too high. Ensure accumulator precharge is
no more than 1200 psi.
No hydraulic pressure. Motor is not tur ning. 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 30.
Ensure all cables are connected to
FCM connectors. See FCM Cable
Connections, page 13.
Motor is spinning clockwise. Switch two phases of incoming
power.
Leaking fluid from fittings. Tighten leaking fittings.
Accumulator directional valve is not
charging.
Ensure accumulator charging direc-
tional valve is shifting. Verify LED
lights tur n 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 13.
Low hydraulic fluid level in oil reser-
voir.
Check hydraulic fluid level. Refill as
necessary.
Leaking hydraulic fluid around the
hydraulic filter.
Damaged or clogged filter. Replace hydraulic filter. See page
27.