8.914-355.0 • Rev. 07/17
15
PRESSURE WASHER Troubleshooting Guide
TROUBLESHOOTING
When ordering from your dealer, please provide the following:
Model Number: ________
Machine Serial Number: ________________________________
Component Part Number: _______________________________
Description: __________________________________________
IMPORTANT
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
.
SYMPTOM
POSSIBLE CAUSES
CORRECTIVE ACTION
MACHINE
SMOKES
Improper fuel or water in fuel
Drain tank and replace contaminated fuel.
Improper air adjustment
Readjust air bands on burner assembly.
Low fuel pressure < 140 PSI
Adjust fuel pump pressure to specifica-
tions.
Weak fuel pump
Check fuel pump pressure. Replace pump
if needed.
Fuel filter partially cogged
Replace as needed.
Soot build up on coils
Clean coils with soot remover.
Lime build
up in coils
Clean inside of coils using Landa's coil
cleaner.
Improper burner nozzle
See combustion assembly breakdown.
Electrode is misaligned
Realign electrodres to specs.
Fuel pressure is to high for clean burn
(Fuel PSI above 140 but less than 200)
Reduce fuel PSI / increase air and band
set for cleaner burn without max water
heat loss.
A) SMOKES
WHILE UNIT IS
RUNNING
B) SMOKES AT
COLD-START
WHEN BURNER
IS OF
AB
AB
AB
AB
AB
AB
AB
AB
AB
B
