LAUNCH
TLT830WA Product Manual
28
416
limit switch 1
417
102100121
limit switch 2
418
307040818
Optical switch
9 Troubleshooting
Symptoms Reasons
Solutions
The motor does not
work.
Check the fuse and limit switch.
Voltage is not correct.
Electrical wiring is wrong.
Motor is broken.
Repair or change the fuse or limit switch.
Supply power of correct voltage.
Fix the wiring.
Change motor.
The motor works,
but the platforms do
not move, or can
only go up slowly.
The motor rotates in the wrong
direction.
Oil level is too low.
Height limit switch is stuck or
damaged.
Exchange wiring of motor to change
direction.
Add oil.
Repair or replace the height limit switch.
The motor works,
but the platforms
can not lift the
vehicle.
The voltage to the motor is too low.
Pressure of relief valve is not right.
The lift is overloaded
The hydraulic pump is damaged.
Supply motor with correct voltage.
Adjust the pressure of relief valve.
Check the weight of the vehicle.
Replace the hydraulic pump.
The lift is too slow in
lowering.
There is foreign substance in the
lowering solenoid valve.
Lowering speed valve is turned too
low.
Clean the lowering solenoid valve.
Turn the lowering speed valve up.
The platforms are
not synchronized.
There is air in upper chamber of
Master Cylinder or Slave Cylinder.
The oil supply can't be cut off because
of the leakage of stop valve.
Leakage in hydraulic system
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.
Safety ratchets
cannot be separated
from serration.
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.
Adjust air pressure to 5kg/cm2
Replace the solenoid air valve.
Release the LOCK button immediately after
the safety ratchets are fully engaged.
