Hotsy 797SS - Page 17

Manual Hotsy, 700 Series • 9.808-301.0
17
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 identied by visiting www.hotsy.com.
PROBLEM 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 < 150 PSI Adjust fuel pump pressure to specica-
tions.
Weak fuel pump Check fuel pump pressure. Replace pump
if needed.
Fuel lter partially cogged Replace as needed.
Soot build up on coils Clean coils with soot remover.
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 150 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 OFF
AB
AB
AB
AB
AB
AB
AB
AB
B