13
7.0 Troubleshooting Chart GB
You have chosen the best quality and therefore deserve the best service. To avoid unnecessary disap-
pointments, you should check the following before contacting the ALTO service organisation:
Problem Possible Cause Correction
Machine refuses to start Plug not connected Connect plug.
Defective socket Try another socket
Fuse blown Change the fuse. Switch off other machines etc.
Defective extension cable Try without extension cable.
Motor buzzes If the machine is started Activate the trigger of the spray handle.
and not relieved of
pressure, the motor cannot
overcome the pressure.
Machine stops Fuse blown Change fuse. Switch off other machines etc.
Wrong mains voltage Check that mains voltage corresponds to
specifications on the model tag.
Thermal sensor activated Wait - the machine will restart after a few
minutes.
WARNING ! The trigger of the spray handle
must NOT be activated.
Fuses blow Change to a mains with a supply higher than the
amp. consumption of the machine.
Pressure pulsating Air in the inlet hose/pump Allow cleaner to run with open spray handle
until regular working pressure is obtained.
Inadequate mains water Check that the water supply corresponds to the
specifications (see model tag).
Note: avoid using hoses with a small diameter
(min. 1/2").
Nozzle partly clogged up Clean the nozzle (see section 6.1)
Water screen clogged up Clean the screen (see section 6.2)
Hoses squeezed Straighten out hoses.
High pressure hoses too long Dismount high pressure extension hose and
retry. (extension hose max. 7 m)
Machine starts-up but Pump/hoses or accessory Wait for pump/hose/accessory to thaw.
no water comes out frozen
No inlet water Connect inlet water.
Water screen clogged up Clean the screen (see section 6.2)
Nozzle clogged up Clean the nozzle (see section 6.1)
Should other malfunctions occur than those mentioned above, please contact your local ALTO
distributor.
Customer services (UK only): ALTO Cleaning Systems Ltd. Phone: 01 768 865 777
Gilwilly Industrial Estate
Penrith, Cumbria CA11 9BN
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