BM009
12
4. TROUBLESHOOTING
•
Repair work or troubleshooting must be performed by qualified
personnel who are familiar with this equipment.
• Disconnect the power supply before removing the electrical cover.
Electrical work should be performed by a qualified electrician.
• Check for system leaks by using a hand pump to apply pressure
to the suspect area. Watch for leaking fluid and follow it back to
its source. Never use your hand or other body parts to check for a
possible leak.
WARNING:
PROBLEM
CAUSE
SOLUTION
Electric motor does
not run
Unit is not plugged in
Plug in unit
No voltage supply
Check line voltage
Broken lead wire or
defective power cord/
plug
Replace defective parts
Defective motor
Replace or repair motor
Automatic valve
will not build full
pressure
Unloading pressure is
too low
Increase unloading pressure
per chart, sheet 3 of 4
Defective or oversize
seat on automatic valve
Replace ball and seat
Electric motor cuts
out
Extension cord is too
long and/ or not of
sufficient gauge
Replace
Faulty motor
Replace and repair
Overheated motor can
trip circuit breaker in
mains power panel
Allow motor to cool, reset
circuit breaker located in
mains power panel.
IMPORTANT:
• For a detailed parts list or to contact your local Boss Hydraulics
Authorised Service Centre
• Plug the outlet ports of the pump when checking for leakage to
determine if the leakage is in the pump, in the cylinder, or in the tool.
