Fault Table - HARDER & STEENBECK 20A Mode D'emploi

Fault table

Warning: The unit should be de-energised immediately in the event of a malfunction. Repairs
should only be entrusted to trained and qualified skilled personnel.
Malfunctions
The compressor motor
does not start
Compressor running,
but does not build up pressure
Compressor running,
but does not reach the
maximum pressure
Compressor deactivates
during operation
Compressor running,
but work is not realised
Compressor does not start
by if pressure is
below minimum
or does not deactivate
at max. pressure
Possible causes
No power
Cable breakage or loose
electrical connections
Oil level too high
Pressure in tank too high,
pressure switch triggered
Covering cap has not been
removed from the suction pipe
Air filter dirty
Unit is leaking
Unit is leaking
Pressure switch setting
incorrect
Non-return valve is defective
or blocked
Motor is too hot, motor circuit
breaker triggered
The unit was excessively
overloaded.
Unit is leaking
Pressure switch defective
Remedy
Check fuse and plug
Specialist workshop
Draining oil
Release air from tank
Remove covering cap
Change air filter
Check hose and snap
connections for leaks
Check hose and snap
connections for leaks
Check setting,
specialist
Change non-return valve
Deactivating compressor, allow
motor to cool
Check hose and snap
connections for leaks
Have pressure switch replaced
specialist workshop
GB
contact
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