Troubleshooting - Hotsy 680SS Operating Instructions And Parts Manual

SYMPTOM
PUMP MOTOR WILL
NOT RUN
NO WATER SPRAYS
FROM WATER
NOZZLE
LOW PRESSURE
FROM WATER
NOZZLE
POOR OR NO
DETERGENT FLOW
BURNER WILL NOT
IGNITE WHEN
TRIGGER GUN IS OPEN
BURNER SMOKES
OR HAS
OBNOXIOUS ODOR

TROUBLESHOOTING

POSSIBLE CAUSES
GFCI tripped
No voltage to machine
Pump motor reset button (thermal
overload protector) tripped
Excessive pressure due to clogged
water nozzle
Water nozzle completely clogged
Inlet water screen clogged
Pump sucking air
Inlet water screen clogged
Water nozzle worn or incorrect size
Water supply low
Pump sucking air
Low detergent level
Detergent screen clogged
Detergent valve not opening
Water nozzle clogged
Excessive inlet pressure
(more than 80 PSI)
Defective pressure switch
No fuel
Fuel valve closed
Thermostat set too low
Burner motor reset button (thermal
overload protector) tripped
Clogged fuel filter
Air intake adjustment needs to be
adjusted
Improper fuel
HOTSY 680SS • 8.914-368.0
CORRECTIVE ACTION
Reset and test GFCI with every use.
Follow Instructions under Operation.
Test power supply and correct.
Push reset button on control box. If
tripped, check for proper voltage or
clogged water nozzle.
Clean water nozzle.
Clean water nozzle.
Check screen and clean if necessary.
Fill the detergent container and check
for loose hose clamps or fittings.
Check screen and clean if necessary.
Replace nozzle with proper size.
Correct water supply.
Fill the detergent container and check
for loose hose clamps or fittings.
Fill the detergent container.
Clean if necessary.
Check that handle or knob is not slip-
ping on shaft.
Clean water nozzle.
Install pressure regulator on the inlet
line.
Replace pressure switch.
Fill fuel tank with proper fuel.
Check that fuel valve on fuel tank is
open.
Raise thermostat setting.
Push reset button on burner motor. If
tripped, check for proper voltage.
Clean fuel filter.
Readjust air intake per the oil burner
section of this manual.
Use proper fuel.
13