33
Trouble Shooting
Water Heater
Trouble
Possible Cause
Remedy
Machine will not rise to
operating temperature
Low fuel pressure.
See BURNER on MODEL
SPECIFICATIOSN for specified pressure.
Water in fuel piping.
Drain fuel tank and remove and replace
filter per FUEL FILTER INSERT.
Fuel filter clogged.
Remove and replace fuel filter element per
FUEL FILTER INSERT.
Poor combustion.
See “Poor combustion.”
Improper fuel supply.
Use fuel specified in BURNER section of
the MODEL SPECIFICATIONS.
Temperature control inoperative (if
equipped).
See TEMPERATURE CONTROL INSERT.
Machine overheats
Insufficient water.
See “Low operating pressure” on MACHINE
TROUBLESHOOTING insert.
Temperature control inoperative.
See TEMPERATURE CONTROL INSERT.
Improper fuel supply.
Use fuel specified in BURNER section of
the MODEL SPECIFICATIONS.
Dry steam (very little
moisture, very hot steam)
Insufficient water.
See “Low operating pressure” on MACHINE
TROUBLESHOOTING insert.
Improper fuel supply.
Use fuel specified in BURNER section of
the MACHINE SPECIFICATIONS.
Improper fuel pressure.
See BURNER on MODEL
SPECIFICATIONS for specified pressure.
Machine smokes (sweet
smelling exhaust)
Improper fuel supply.
Use fuel specified in BURNER section of
MODEL SPECIFICATIONS.
Insufficient combustion air.
See AIR BAND ADJUSTMENT on OIL
BURNER MAINTENANCE insert.
Leaking fuel system.
Correct leakage problem.
Clogged or improper burner nozzle.
Remove (DO NOT CLEAN) and replace
nozzle per BURNER ASSEMBLY INSERT.
Loose burner nozzle.
See BURNER MAINTENANCE insert.
Machine fumes (exhaust
burns eyes)
Too much combustion air.
See BURNER TROUBLESHOOTING insert.
Improper fuel pressure.
See FUEL on MODEL SPECIFICATIONS
for specified pressure.
