Hotsy 555 HE Instrucciones De Operación Y Manual De Piezas página 12

PROBLEM
PRESSURE WASHER
WILL NOT PRODUCE
HOT WATER
BURNER SMOKES
A) SMOKES WHILE
UNIT IS RUNNING
B) SMOKE AT
COLD-START WHEN
BURNER IS OFF
POOR CLEANING
If the pressure washer demonstrates other symptoms or the corrective actions
listed do not correct the problem, contact the local authorized Hotsy Service
Center. The Hotsy Service Center can be identified by visiting www.hotsy.com
12
TROUBLESHOOTING
POSSIBLE CAUSES
Water must be spraying for burner
to light
Defective pressure switch
Fuel valve closed
Clogged fuel filter
Thermostat set too low
Air bands need to be adjusted
Improper fuel
Low fuel pressure ˂140 PSI
Weak fuel pump
Fuel filter partially clogged
Soot build up on coils
Lime build up in coils
Improper burner nozzle
Electrode is misaligned
Fuel pressure is to high for clean
burn (fuel PSI above 140 but less
that 200)
Improper detergent concentration
or mixing
Wrong detergent for the application Select appropriate detergent.
Rinsing with hot water
IMPORTANT
HOTSY 555HE • 9.808-140.0 • Rev. 10/19
CORRECTIVE ACTION
Squeeze trigger. Water must be spraying for
burner to light.
Replace pressure switch.
Check that fuel valve on fuel tank is open.
Replace fuel filter.
Adjust thermostat to desired temperature.
Adjust air by opening or closing the air flap
until smoke spot value is 1 or lower.
User proper fuel.
Adjust fuel pump pressure to specifications.
Check fuel pump pressure. Replace pump if
needed.
Replace as needed.
Clean coils with soot remover.
Clean inside of coils using Hotsy's coils
cleaner.
See combustion assembly breakdown.
Realign electrodes to specs.
Reduce fuel PSI/increase air and band set
for cleaner burn without max water heat loss.
Mix detergent per manufacturer's instruc-
tions. Ensure that powdered detergents are
fully dissolved.
A final rinse with cold water will reduce water
spotting.