24
Problem
Cause
Correction
Pump has following
problems. No pressure, low
pressure
1. Nozzle tip not attached.
1. Attached required nozzle tip
2. Water inlet is blocked.
2. Clear inlet.
3. Inadequate water supply.
3. Provide adequate water flow.
4. Inlet hose is kinked or leaking.
4. Straighten inlet hose, patch leak.
5. Clogged inlet hose strainer
5. Check and clean inlet hose
strainer.
6. Water supply is over 100°F.
6. Provide cooler water supply.
7. High pressure hose is blocked
or leaks.
7. Clear blocks in outlet hose.
8. The loaded RPM is not set to
HIGH
8. Set RPM (Throttle lever) to
HIGH position.
9. Nozzle is obstructed.
9. Clean nozzle.
10. Damaged pump.
10. Contact after service facility.
No intake of detergent.
1. Detergent siphoning tube is not
connected.
1. Connect detergent siphon tube
Properly.
2. Chemical filter is clogged.
2. Clean or replace filter/detergent
siphoning tube.
3. Dirty in-line filter.
3. Clean or replace one.
4. Wrong nozzle.
4. Use black nozzle when
applying detergent. Refer to the
instruction manual.
5. Damaged detergent siphoning
tube.
5. Replace detergent siphoning
tube.
Engine sounds abnormal or
overloaded
1. Engine speed is too slow.
1. Move throttle control to FAST
position.
2. Pressure is too high
2. Contact after service facility.
Engine doesn't start; or
starts and runs rough.
1. The engine power switch is OFF
(o) position.
1. The engine power switch is OFF
(o) position.
2. No fuel.
2. No fuel.
3. Dirty air cleaner.
3. Dirty air cleaner.
4. Stale gasoline.
4. Stale gasoline.
5. Spark plug wire not connected
to spark plug.
5. Spark plug wire not connected
to spark plug.
6. Bad spark plug.
6. Bad spark plug.
7. Low oil level.
7. Low oil level.
8. Choke lever not in right position. 8. Choke lever not in right position.
9. Clogged carburetor.
9. Clogged carburetor.
Engine doesn't start; or
starts and runs rough.
10. Excess water pressure in pump
or hose.
10. Excess water pressure in pump
or hose.
11.Engine has lost compression.
11.Engine has lost compression.
Engine stops down during
operation.
Out of gasoline.
Fill fuel tank.
Engine lacks power.
Dirty air filter.
Replace air filter.
Starter rope doesn't recoil
Recoil mechanism is broken.
Contact after service facility.
TROUBLESHOOTING
Summary of Contents for YF3003
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