Troubleshooting - Hotsy 1800 Series Service Manual

Maintenance

Troubleshooting

SYMPTOM
PRESSURE
WASHER
WILL NOT
RUN
PRESSURE
WASHER
RUNS BUT
WON'T SPRAY
LOW SPRAY
PRESSURE
AT NOZZLE
UNEVEN
SPRAY
PATTERN
PRESSURE
WASHER
WILL NOT
PRODUCE
HOT WATER
10
POSSIBLE CAUSES
Pump switch in OFF position
Power supply disconnected
Fuse blown or circuit breaker
tripped in electrical supply line
Motor circuit overload tripped
Trigger of trigger gun released
Water supply not turned on
Clogged pressure nozzle
Inlet water screen clogged
Pump sucking air
Inadequate water supply
Partially clogged or damaged
pressure nozzle
Air being drawn through
detergent inlet line
Partially clogged or damaged
pressure nozzle
Burner switch in OFF position
Gas valve switch in OFF
position
Inadequate fuel supply
Pump switch turned off
Inadequate water supply
Trigger of trigger gun released
Thermostat set too low, or
defective
Manual gas valve not open
Defective gas valve
HOTSY 1800 GAS FIRED SERIES 8.916-993.0 - AL
CORRECTIVE ACTION
Place switch in ON position.
Connect power supply.
Replace fuse or reset circuit breaker. Use only
circuits of adequate capacity.
Allow sufficient time for motor to cool down. Place
pump switch in ON position.
Squeeze trigger.
Open water supply valve.
Clean pressure nozzle opening.
Check screen and clean if necessary.
Fill the detergent container and check for loose
hose clamps or fittings.
Fully open faucet. Check for kinked or damaged
hose. Use 5/8" minimum hose. Check for debris
clogging inlet screen."
Clean or replace.
Refill detergent container. Ensure that pick-up
screen is fully immersed.
Clean or replace.
Place switch in ON position.
Place switch in ON position.
Check fuel supply.
Pump must be running before burner will light.
Fully open faucet. Check for kinked or damaged
hose. Use 5/8" minimum hose. Check for debris
clogging inlet screen.
Squeeze trigger. Water must be spraying for burner
to light.
Raise thermostat setting. Replace if defective.
Turn ON gas valve
Replace gas valve.