F
AULTS
,
CAUSES AND REMEDIES
9. Faults, causes and remedies
LIFTING NOT POSSIBLE OR ONLY POSSIBLE VERY SLOWLY
Possible cause
Remedy
Insufficient inlet pressure
Increase inlet pressure to the required value.
Input volume too low
Increase input volume to the required value.
Hand control is faulty
Have hand control repaired.
EMERGENCY STOP button is
Release the EMERGENCY STOP button when the danger
pressed
has been eliminated.
Supply hoses leaking or loose
Check connections
Cross section of the line too small
Use line with sufficient cross-section.
Brake does not release fully
Bring the inlet pressure to the required value, check the brake piston seal
and replace the seal if necessary.
Check the setting of the brake piston (see spare parts list).
Brake lining worn
Replace brake lining.
Motor cover bolts loose
Tighten the bolts.
Motor vanes worn
Replace motor vanes.
Motor has run dry.
Lubricate motor, check oiler.
Silencer is clogged
Replace or clean silencer elements, improve air quality if necessary.
Doc.-No.: VA053957-40-OM-EN-0720-60-2
Page
57
of 60
