Christie EDR70X-LPR, User Manual

Page: 9 / 11

7
FAULT FINDING
FAULT POSSIBLE CAUSE SOLUTION
Motor will not run.

No supply to the pump

Pump not switched on

Control panel tripped

Motor / electrical fault

Check supply

Switch on

Reset Trips

Contact W.Christie
(Industrial) Ltd
Motor runs but no pressure
visible on gauge.

Low oil level

Relief valve backed off

Piston block defective

Filter blocked

Pump defective

Top up

Adjust

Replace

Replace

Replace
Motor runs but slow to reach
pressure.

Relief valve defective /
backed off

Piston block defective

Pump defective

Clean / replace / adjust

Replace

Replace
Pump runs but attached tool slow
or no movement.

Relief valve backed off /
defective

Couplings not fully
tightened

Defective coupling

Defective tool

Clean / replace / adjust

Tighten Correctly

Replace

Check tooling
Pump will only operate in one
direction

Couplings not tightened
fully / defective

Solenoid / electrical fault

Solenoid valve defective

Tighten / replace

Investigate

Replace