Installation Guide

45
TROUBLESHOOTING GUIDE
PROBLEM REASON SOLUTION
Power Unit (Motor) not
running.
Bad Fuse or Circuit breaker. Replace bad fuse or reset circuit
breaker.
Incorrect voltage to motor. Provide proper voltage to motor.
Improper wiring. Have certified electrician check
wiring.
Power Unit up switch not
functioning.
Replace Power Unit up switch.
Overhead Microswitch not
functioning.
Replace overhead Microswitch.
Power Unit motor burned out. Replace motor.
Power Unit (Motor) runs but
lift does not go up.
Low oil level. Fill reservoir with proper
hydraulic oil.
Lowering valve remains open. Repair or replace oil valve.
Pump sucking air. Tighten all fittings and suction
lines.
Lift goes up slowly or oil
coming out from filler cap.
Air in hydraulic fluid lines Bleed hydraulic lines (Call
installer).
Lift doesn’t come down. Dirt in directional valve Call installer to clean valve. (Do
not attempt to open hydraulic
lines unless vehicle is secure)
Safety Locks do not engage. Safety lock jammed. Oil or replace pin to free Safety
Lock.
Check or replace spring.
Safety Lock does
not disengage.
Safety lock is being limited Check for any obstructions.
Lift goes up unlevel. Equalizing cables are loose. Adjust equalizing cables to
correct tension.
Floor unlevel. Shim lift to make towers level.
(Do not exceed ½” of shimming).
Lift goes up with chatter or
does not fully rise.
Low oil level. Fill reservoir to correct level with
proper hydraulic oil.
Air in hydraulic fluid
lines/cylinder.
Bleed hydraulic lines. (Call
installer).
Anchor bolts do not stay tight. Holes are too large. Relocate lift using proper size
drill bit.
Incorrect concrete floor
specification (Thickness and
holding strength).
Break existing floor and pour
new pad for lift.
Noticeable Deflection of Arm
or arm dragging on floor.
Lift out of plumb. Plumb columns.
Unlevel floor. Replace floor of shim columns.
Worn arm or carriage holes. Replace parts.
Worn carriage slide blocks. Replace side blocks.
Bent arm (Overloaded). Replace arm. Also check
damage to carriage.