Pag. 7
1. The machine doesn’t starts
1) TROUBLE: Rotating the main switch “0 – I” (A) the high pressure cleaner doesn’t starts or
starts, but suddenly stops after a while.
CAUSES: 1a No electrical connection
1b No electrical supply to the electric motor or motor thermal sensor overload
intervened or burnt fuses
1c The micro-switch of bypass valve not working
(only for machine with total stop system)
1d Contactor not working (on versions three phase or P4)
REMEDIES:
1a Check the power supply voltage using a “multimeter”.
The machine power supply characteristics are indicated on the machine data plate placed on the
rear side of its chassis.
For single-phase models, the allowed voltage tolerance is +/- 5%.
For three-phase models, the allowed voltage tolerance is +/- 10%.
If the voltage is over or lower than the above mentioned tolerance, the machine electric
components may become damaged.
Pay maximum attention while checking electric component: danger of electric shocks.
1b Pay maximum attention: danger of electric shocks.
Disconnect the machine from the power supply before opening the electric enclosures, hence:
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