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Operating Instructions
Troubleshooting Guide
SYMPTOM
Low pressure and/or pump
runs rough
Strong surging at the inlet and
low pressure
Fluctuating pressure
Pressure drops after period of
normal use
Pressure washer does not
start up
Motor stops suddenly
Unit begins to smoke
Pump noisy / pump runs
rough
Pressure washer will not spray
detergent
www.campbellhausfeld.com
CAUSE
1. Worn nozzle
2. Inlet filter on pump clogged
3. Restricted inlet
4. Leaking high pressure hose
5. Pump drawing in air
1. Foreign particles in the inlet or
discharge valve or worn inlet and/or
discharge valves
1. Pump drawing in air
2. Nozzle clogged
1. Nozzle worn
1. GFCI has tripped
2. Plug is not well connected or electric
socket is faulty
3. Extension cord ( see page 2 Electrical
Safety section b) or wire size too small
4. Main voltage supply too low
5. Thermal safety switch has tripped
1. Extension cord ( see page 2 Electrical
Safety section b) or wire size too small
2. Thermal safety switch has tripped due
to overheating
Overheated, overloaded or damaged
motor
1. Pump drawing in air/low water supply
2. Water too hot
1. Not using detergent dispenser
SOLUTION
1. Replace nozzle
2. Clean. Check more frequently
3. Check garden hose, may be collapsed or kinked.
Check inlet water flow
4. Replace high pressure hose
5. Ensure hoses and fittings are tight
1. Call 1-800-330-0712
1. Ensure hoses and fittings are tight. Purge air from
garden hose
2. Clean or replace
1. Check and replace
1. Push reset button on plug
2. Check plug, socket and fuses
3. Remove extension cord, product cannot be used
with extension cord
4. Check that main supply voltage is adequate
5. Switch off unit and allow motor to cool down
1. Remove extension cord, product cannot be used
with extension cord
2. Check that main supply voltage corresponds to
specifications
Turn off unit and call 1-800-330-0712
1. Ensure fittings are tight. Increase water pressure
2. Reduce temperature below 100° F
1. Change nozzle and detergent dispenser
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