Troubleshooting - Launch TLT830WA User Manual

LAUNCH

4 Troubleshooting

Symptoms
The motor does not
work.
The motor works, but
the platforms do not
move, or can only go
up slowly.
The motor works, but
the platforms can not
lift the vehicle.
The lift is too slow in
lowering.
The platforms are not
synchronized.
Safety ratchets
cannot be separated
from serration.
Reasons
Thermo relay or circuit breaker actuated
Voltage is not correct.
Electrical wiring is wrong.
Motor is broken.
The motor rotates in the wrong direction.
Oil level is too low.
Height limit switch is stuck or damaged.
The voltage to the motor is too low.
Pressure of relief valve is not right.
The lift is overloaded
The hydraulic pump is damaged.
There is foreign substance in the lowering
solenoid valve.
Lowering speed valve is turned too low.
There is air in upper chamber of Master
Cylinder or Slave Cylinder.
The oil supply can not be cut off because of
the leakage of stop valve.
Leakage in hydraulic system
The air pressure regulating valve is closed
or too low.
The Solenoid air valve is damaged.
The LOCK button is pressed for too long
time.
TLT830WA USER'S MANUAL
Solutions
Reset the thermo relay or circuit breaker
Supply power of correct voltage.
Fix the wiring.
Change motor.
Exchange wiring of motor to change direction.
Add oil.
Repair or replace the height limit switch.
Supply motor with correct voltage.
Adjust the pressure of relief valve.
Check the weight of the vehicle.
Replace the hydraulic pump.
Clean the lowering solenoid valve.
Turn the lowering speed valve up.
Air bleeding performance is needed. The air
in the master and slave cylinder can be bled
after the platform goes up and down several
.
times
Replace stop valve.
Replace the seal or the cylinder.
Adjust air pressure to 5kg/cm
Replace the solenoid air valve.
Release the LOCK button immediately after
the safety ratchets are fully engaged.
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