Manual

Malfunction
Water supply
Watertankrunsover.
Watertankdoesnotfillcompletely.
Pumpdoesnotsuck.
Test: checkwaterandchemical
systemfortightness.
High-pressure pump
Pumpmakesloudnoises.Operating
pressureisnotreached.
Waterdropsfromthepump.
Oildropsfromthetransmission.
Pressureistoolow.
Machine does not switch off
Test:Bridgepressureswitch(red)
Appliance does not start or
stopps during operation
Cause of malfunction / remedy
Floatvalveisdirtyordefect.
Floatvalveisdefect.Waterfilterisdirty.
Insufficientwaterinletquantity.
Valvesstickoraredirty.Suctionhoseleaks.
Chemistryvalveisopenorleaks.Checkhose
clips(connections).
High-pressurenozzleisclogged.

Connectwaterinletdirectlytothepump(2-4bar
pre-pressure).Disconnectsuctionlinesbelow
thepump
Pumpsucksair.Checksuctionconnections.
Checkhigh-pressurenozzle.Checkvalves.Check
O-ringsundervalves.Checksleeves.Manometer
isdefect.Unloader:checkstainlesssteelseatand
ball.Checksealsonthecontrolpiston.
Replacesleevesinthepump.
ReplaceO-rings.
Checkoilseals(replace).Checkplungerand
plungerguides.Checkwatersupply,sincewater
deficiencyorairsuctioncancausedamageto
sealsandO-rings(chemistryvalveleaks?)
Wornhighpressurenozzle.Stainlesssteelseat,
ball,O-ringinunloaderisdirtyordefect.
Manometerisdefect.
CheckreturnbodyandO-ringinunloaderofthe
valvehousing.
Checkpressureswitch(red).Checkmicro
switch.
Checkcableconnections.Boardisdefect.
Checkelectricitysupply.Checkmainswitch.
Checkcableconnections.Checkboard.
Checkpressureswitch.Switchoffbyovercurrent
release.
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Troubleshooting