PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Burner backfiring
during combustion.
1. Burner orifice is clogged or
damaged.
2. Burner is damaged.
3. Gas regulator is damaged.
1. Clean burner orifice (see Care and
Maintenance, page 8 or contact
customer service.
2. Contact dealer or customer service.
3. Replace gas regulator.
High yellow flame
during burner
combustion
1. Not enough air.
2. Gas regulator is defective.
3. Outside temperature is too
low.
1. Check burner for dirt and debris. If found,
clean burner (see Care and Maintenance,
page 8).
2. Replace gas regulator.
3. Buy new tank or refill 20lb tank.
Gas odor during
combustion.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See Warning
Statement on page 2).
1. Take apart gas tubing and remove foreign
matter.
2. Locate and correct all leaks.
Heater produces a
clicking/ticking noise
just after burner is lit
or shut off.
1. Metal is expanding while
heating or contracting
while cooling.
1. This is common with most heaters. If
noise is excessive, contact qualified
service technician.
Heater shuts off in
use (ODS operates).
1. Not enough fresh air is
available.
2. Low line pressure.
3. ODS/pilot is partially
clogged.
1. Open window and/or door for
ventilation.
2. Contact local gas supplier.
3. Clean ODS/pilot (see Care and
Maintenance, page 8).
Gas odor exists
even when control
knob is in OFF posi-
tion.
1. Gas leak. See Warning
Statement on page 2.
2. Control valve is
defective.
1. Locate and correct all leaks (see
“Checking Gas Connections” page 4).
2. Contact customer service.
Moisture/conden-
sation noticed on
windows.
1. Not enough combustion/
ventilation air.
1. Refer to “Air for Combustion and
Ventilation” requirements, page 4.
Slight smoke or odor
during initial opera-
tion
1. Residues from
manufacturing process.
1. Problem will stop after a few hours of
operation.
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
10
TROUBLESHOOTING