14
BA082701-en
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5 Troubleshooting
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Error
Diagnosis
Remedy
Lift does not run.
Main switch turned off.
Turn on main switch.
Power failure.
Check for cause of p. failure.
Power cord interrupted.
Replace defective cord.
Fuses defective.
Replace fuses.
Selector switch in wrong position.
Turn switch to correct position.
Lift does not raise.
Reverse motor rotation.
Interchange two phases at
main switch.
Low fluid level.
Top up fluid reservoir.
RAISE button defective.
Check button and line, replace
if necessary.
Pump intake filter dirty.
Check and clean filter.
Valve Y2 disabled after manual
lowering.
Enable valve Y2 by opening
the knurled screw.
Lift capacity insufficient.
Pressure valves maladjusted.
Contact service.
Pump defective.
Lift does not lower.
LOWER solenoid valve
defective.
Contact service.
LOWER button defective.
Support plates lower without
control button being pressed.
LOWER solenoid valve does
not close completely.
Contact service.
Leakage in at least two
hydraulic lines.
Check connections for tight fit
and hoses for damage,
replace if necessary.
Lift shows jerky movements. Air in hydraulic system.
Contact service.
Support plates tilted – in
same direction.
Vehicle lifted asymmetrically.
Lift vehicle symmetrically.
Support plates tilted –
towards outside or inside.
Incorrect cylinder connection.
Contact service to have
cylinder connection corrected.
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