Gerni Classic 120.2, User Manual

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8 Trouble-shooting
To avoid unnecessary disappointments, you should check the following before contacting
the Gerni service organization:
Symptom Cause Recommended action
Machine refuses to Machine not plugged in Plug in machine.
start Defective socket Try another socket.
Fuse has blown Replace fuse. Switch off other
machines.
Defective extension Try without the extension cable.
cable
Fluctuating pressure Pump sucking air Check that hoses and connections are
airtight.
Valves dirty, worn out Clean and replace or refer to local
or stuck Gerni distributor
Pump seals worn out Clean and replace or refer to local
Gerni distributor.
Motor busses Low voltage or Activate the trigger of the spray gun.
low temperature
Machine stops Fuse has blown Replace fuse. Switch off other
machines.
Incorrect mains voltage Check that the mains voltage corre-
sponds to specifi cation on the model
tag.
Thermal sensor Leave the washer for 5 minutes to cool
activated down.
Nozzle partially blocked Clean the nozzle (see section 7.2)
Fuse blows Fuse too small Change to an installation higher than
the amp. consumption of the machine.
You may try without the extension
cable.
Machine pulsating Air in inlet hose/pump Allow machine to run with open trigger
until regular working pressure
resumes.
Inadequate supply of Check that the water supply corre
mains water sponds to specifi cations required (see
model tag)
NB! Avoid using long, thin hoses (min.
1/2")
Nozzle partially blocked Clean the nozzle (see section 7.2)
Water fi lter blocked Clean the fi lter (see section 7.1)
Hose kinked Straighten out hose.
Machine often starts Pump/spray gun is Contact your nearest Gerni Service
and stops by itself leaking Centre.
Machine starts, but Pump/hoses or accessory Wait for pump/hoses or accessory to
no water comes out frozen thaw.
No water supply Connect inlet water.
Water fi lter blocked Clean the fi lter (see section 7.1)
Nozzle blocked Clean the nozzle (see section 7.2)
In case problems other than the above occur, please contact your local Gerni distributor.