Troubleshooting; Troubleshooting Guide - Hotsy 981SS Operating Instructions And Parts Manual

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.
(continued)

TROUBLESHOOTING

TROUBLESHOOTING GUIDE

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.
97-6574 • HOTSY 900-1400 GAS FIRED • REV. 10/05
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.
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