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.