21
TROUBLESHOOTING
PROBLEM
CAUSE
SOLUTION
Engine does not start
1. Out of fuel
1. Fill fuel tank
2. Engine oil low
2. Add engine oil
3. Spark plug wire disconnected
3. Connect spark plug wire
from spark plug
4. Replace spark plug
4. Bad spark plug
5. Contact service center
5. Spark plug wire has shorted
6. Contact service center
6. Ignition inoperative
Engine hard to start
1. Stale fuel or water in fuel
1.
2. Spark plug producing weak spark
gasoline.
3. Excessively rich fuel mixture
2. Contact service center
3. Contact service center
Engine lacks power and vibrates
1.
1.
excessively
Engine quits during operation
1. Out of fuel
1. Fill fuel tank
Engine loses power when load is
1. Engine speed is too slow
1. Move throttle to fast. If this does
added
not correct problem, contact
service center.
Water pressure is weak
1. Water supply is restricted.
1. Inspect garden hose for kinks or
2. Water not turned on to full power
leaks. Make sure you are using
3. Not using high pressure nozzle
a large enough garden hose
(min. ¾ inch diameter)
2. Open water source all the way.
3. Change nozzle
Detergent and spray do not mix
1. Detergent hose is not submerged
1. Make sure hose is connected
or has disconnected
and submerged in the detergent.
2. Black soap nozzle needed
2. Install soap nozzle
Pump fails to produce pressure or
1. Water supply is restricted
1. Inspect garden hose for kinks or
pressure is inconsistent
2. Water not turned on full power
leaks. Make sure you are using a
3. Nozzle is clogged
large enough garden hose (Min.
4. Spray gun leaks
¾ inch diameter)
5. Air in line
2. Open water source all the way.
6. Inlet hose screen is clogged
3. Clean nozzle
7. Water supply is over 100°F
4. Check spray gun connection or
8. Pump is faulty
replace spray gun
5. Squeeze trigger handle to
remove air
6. Clean inlet
7. Use cool water supply
8. Contact service center
Summary of Contents for FNHPT240
Page 22: ...22 WIRING DIAGRAM...