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Troubleshooting Guide
Hydraulic Problems
6
6-6
60HDdoc042607
Troubleshooting Guide
6.3
Hydraulic Problems
PROBLEM
CAUSE
SOLUTION
YOU CAN ACTUATE ANY
HYDRAULIC HANDLE, BUT
GET NO RESPONSE FROM
THE PUMP
Carriage not positioned
properly to provide power to
the pump.
Move the saw carriage so that it
contacts the hydraulic power supply
strip. Check the connection. Clean as
necessary.
Hydraulic pump motor does
not work.
Check if the key switch is in the "1"
position.
Make sure the emergency stop switch
is not engaged.
Check if BED MODE is active, i.e.,
if the yellow BED light is on.
One phase lacks power.
Check fuses in the external power
source.
Pump motor contactor is
bad.
Have a qualified electrician replace it.
Hydraulic pump motor is
overheated.
Allow motor to cool. Turn off power
supply and reset the motor thermal
protection located inside the main
electrical cabinet.
Hydraulic pump motor works
after releasing the joystick.
Normal situation. The hydraulics
should keep working for 5 to 8 seconds
after the joystick has returned to the
neutral (middle) position.
Defective pump motor.
Remove motor from pump and inspect.
Repair or replace as necessary.