Hydraulic pump inoperative
Low battery voltage
Charge chassis and/or coach
batteries
Blown fuse or breaker in fuse panel Replace fuse or reset breaker
Faulty electrical connection Trace and repair
Defective pump motor or solenoid Replace
Jack(s) bleed down from leveled
position or stowed position
Air in hydraulic system Purge air
External fluid leak Trace and repair
Defective valve in pump Clean or replace valve
Defective jack Replace jack
Jack(s) are jerky when retracting
Air in the system Purge air
Fluid level low
Check fluid level and add as
necessary
Jack(s) will not retract from full
extension
Defective pump motor or solenoid Replace motor and/or solenoid
Low battery voltage or poor ground to
Keypad
Charge chassis and/or coach
batteries and ensure proper
grounding
Damaged or defective harness from
Keypad to pump
Trace and repair
Fluid level low
Check fluid level and add as
necessary
Troubleshooting Guide
Symptom Possible Cause Corrective Action
Avoid the most common issues. Always ensure & verify proper charge on the batteries.
Proper and adequate grounding of the pump is essential
80% of the phone calls we receive are found to be a discharged battery or poor ground
If your problem is not listed or persists, call Equalizer Systems at (800) 846-9659
Please gain prior authorization for warranty service or repair
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