Installation Guide

TLT240SC Two-post User’
s Manual
8
5 Solutions to FAQ
Symptom Reason Solution
Motor does not work
Check the circuit breaker or thermal
relay for tripping
Check the voltage to the motor
Check the electrical wiring
Limit switch is failed
Motor wire is burnt
Close the switch of circuit breaker or
press the blue reset key of thermal relay
Supply correct voltage for motor
Correctly wiring as electrical system
diagram
Replace the limit switch
Replace the motor
Motor is running, but
the lift can’t be raised.
Motor rotation reversed
Lowering valve body open.
Hydraulic pump sucks the air
Suction tube is separate from the
hydraulic pump
Low oil level
Change the motor rotating direction
through changing wire connection.
Repair or replace the lowering valve
body
Fasten all the suction pipe fittings
Replace the suction tube
Add the oil into the oil tank
Motor is running, the
lift can be raised
without load, but the
vehicle can’t be raised
Motor is running under low voltage
Impurities inside the lowering valve
body
Regulation pressure of safety valve is
incorrect
Lift is overloaded
Supply correct voltage to the motor
Remove impurities from the lowering
valve body.
Adjust the safety valve
Check the weight of the vehicle
The lift is lowering
slowly without
pressing the lowering
handle
Impurities on the lowering valve body.
External oil leakage
Clean the solenoid valve body
Repair the external leakage
The lifting speed is
slow or oil flows out of
the oil fill cap
Air and oil is mixed
Air and oil suction are mixed
Oil return pipe is loosened
Replace the hydraulic oil
Fasten all the suction pipe fittings
Re-install the oil return pipe
The lift can’t rise
horizontally
Balance cable is not adjusted properly
The lift is installed on the slop floor
Adjust the balance cable to the proper
tension
Shimming the columns to level the lift
(no more than 5mm), if exceeding 5mm,
pour new concrete floor and make it
leveled. Refer to installation description.
Anchor bolt is not
fastened
Hole is drilled too big
Concrete floor thickness or fastening
force is insufficient
Pour the fast curing concrete into the
big hole and reinstall the anchor bolt , or
use new drill to drill the hole for
re-positioning the lift
Cut open the old concrete and make
new concrete slab for the lift. Refer to
installation description.