STERWINS EPW2-ST5.5 Notice De Montage, Utilisation Et Entretien page 213

Problems
Motor starts but
no pressure
Pressure pulsating
Water leaks from
machine
Probable causes
Nozzle partly blocked
Low pressure nozzle
selected
Water inlet pressure is
too low
The pump is blocked
Water filter blocked
The pump sealing is
damaged
Air in the inlet water
supply hose (espacially
by self priming funciton)
Low pressure nozzle
selected
Water filter blocked
Water hose squeezed
The pump sealing is
damaged
Water filter blocked
Water filter is not well
plugged
The water filter seal is
out of service
Pump is damaged
The wrong water has
been used (hard water
or durty water are
forbidden)
Solutions
Clean it
Change the nozzle
selection
Check the inlet
pressure specification
Contact the after sales
service
Clean it
Contact the after sales
service
Remove the air from
the hose
Change the nozzle
selection
Clean it
Straighten out kinked
water supply hoses
Contact the after sales
service
Clean it
Check the connections
Check the seals /
replace it if necessary
Contact the after sales
service
Contact the after sales
service
213
Qualification
Customer
Customer
Customer
After Sales
Customer
After Sales
Customer
Customer
Customer
Customer
After Sales
Customer
Customer
Customer
After Sales
After Sales
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