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Symptom
Pressure washer
does not start up
Pump does not
reach necessary
pressure
Fluctuating
Pressure
Motor stops
suddenly
Possible cause(s)
1. Unit is pressurized
2. Plug is not well connected
or electric socket is faulty
3. Extension cord is too long or
wire size too small
4. Main voltage supply is too low
5. Thermal safety switch has
tripped
1. Water inlet lter is clogged
2. Pump is sucking air from hose
connections
3. Nozzle is worn or not correct
size
4. Unloader is clogged or Worn
5. Valves is clogged or worn
1. Pump is sucking in air
2. Clogged nozzle
3. Valves dirty, worn of stuck
4. Water seals worn
1. Extension cord is too long or
wire size too small
2. Thermal safety switch has
tripped due to overheating
1. Squeeze trigger on gun
2. Check plug, socket
and fuse
3. Remove extension cord
4. Check that main supply
voltage age is adequate
5. Switch off unit and allow
motor to cool down
1. Clean water inlet lter
2. Check that connections and
locking ring are properly
tightened
3. Call the dealer
4. Call the dealer
5. Call the dealer
1. Check that hoses and
connections are tight
2. Clean with tip cleaner
3. Call the dealer
4. Call the dealer
1. Remove extension cord
2. Check that main supply
voltage age corresponds to
speci cations
13
Corrective Action(s)
