English 5.906-565.0 Rev. 00 (12/12)
33
Check connection cable for damages.
Check the supply voltage.
Check/replace the appliance switch.
Check/replace the pressure switch
Set the pressure and quantity regulation to "MAX".
(Turn in a clockwise direction to the stop).
Check the nozzle size, install correct nozzle.
Clean the nozzle.
Replace the nozzle.
Vent appliance.
Check water supply level (refer to technical data).
Clean water filter.
Check all inlet pipes to the pump.
Check the settings of the transfer port.
3 drops per minute are permitted and can come out
from the lower side of the appliance.
Replace high and low pressure gaskets.
Replace the oil seals.
Replace the shaft seal rings.
Clean water filter.
Check the water suction pipes for leaks.
Deaerate the appliance (see "Start-up")
Check the pump for leaks.
Check the high-pressure hose and the hand spray
gun for leaks.
Check the pressure retaining valve.
8
Troubleshooting
8.1
Appliance is not running
8.2
Pressure does not build up in the appli-
ance
8.3
Water is leaking at the pump
8.4
Oil is leaking at the pump
8.5
Pump is vibrating
8.6
Appliance often turns on and off when
hand spray gun is closed
