Rev: Dec2010
18 of 18
®
STANLEY Electric Pressure Washers
IF YOU REQUIRE ADDITIONAL ASSISTANCE, CALL CUSTOMER SERVICE
AT [1] 919-550-3259
TROUBLESHOOTING
Symptom
Cause
Solution
Output pressure varies high and low, no
pressure, sudden loss of pressure, low
water volume.
Not enough inlet water supply.
Turn water on full force. Check garden hose for kinks,
leaks or blockage.
Pump is sucking air.
Check that hoses and fittings are air tight. Turn off ma-
chine. Purge pump by squeezing trigger gun until a
steady flow of water emerges through the nozzle.
Discharge nozzle is obstructed.
Blow out or remove debris with a fine needle.
High pressure hose is blocked or leaks
Clear blocks in outlet hose.
Water inlet is blocked.
Clear inlet or replace water inlet filter.
Calcified gun, hose or spray wand.
Run distilled vinegar through detergent suction tube or
replace gun, hose, spray wand.
Water supply is over 100° F
Provide cooler water supply.
Carburetor is dirty
Clean or replace carburetor.
No detergent.
Detergent suction tube not properly connected to
the machine.
Check connection.
Detergent is too thick.
Dilute detergent, for best results use recommended
detergent.
Damaged or clogged detergent suction tube.
Remove obstruction or replace detergent suction tube.
Spray wand is in high pressure position.
Pull tip of to wand tip to low pressure position.
Garden hose connection leaks.
Loose connections.
Tighten connections.
Missing/worn rubber o-rings/washer.
Insert new o-rings/washer.
Spray gun, wand, or high pressure hose
leaks.
Spray wand not properly attached.
Insert the spray wand into the gun. Carefully press in
against the spring tension and twist into the locked
position. Adjust and tighten all connections.
Broken or worn o-ring or plastic insert.
Replace worn or broken o-rings/washers.
Engine shuts down during operation
Out of gasoline.
Fill fuel tank.
Oil drips
Oil seals are damaged or worn.
Call Customer Support
Engine is running rough or is
smoking.
Engine may have been tipped during transport. Spark plug may be fouled. Replace spark plug.
Air cleaner is dirty.
Clean air filter.
