2
8
Vent-Free Gas Log Heater User Manual
Troubleshooting Guide (cont.)
Problem
Possible Cause
Solution
ODS/pilot lights but
flame goes out when
the control knob is
released.
1. Control knob is not fully pressed in.
2. Control knob is not pressed in
long enough.
3. Equipment shutoff valve is not
fully open.
4. Thermocouple connection is loose.
5. Thermocouple damaged.
6. Control valve damaged.
1. Press in control knob fully.
2. After ODS/pilot lights, keep control knob pressed
in 30 seconds.
3. Fully open equipment shutoff valve.
4. Hand tighten until snug, and then tighten ¼ turn more.
5. Replace
ODS
6. Contact customer service.
Burner(s) does not
light after ODS/pilot
is lit.
1. Burner orifice is clogged.
2. Burner orifice diameter is too small.
3. Inlet gas pressure is too low.
1. Clean burner orifice (see CARE AND MAINTENANCE,
pages
2
5
&
2
6
) or contact customer service.
2. Contact customer service.
3. Contact your gas supplier.
Burner(s) does not
light after ODS/pilot
is lit. (Heater is set up
for natural gas.)
1. Inlet gas pressure is too high.
1. Contact your gas supplier.
There is delayed
ignition of the
burner(s).
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Contact your gas supplier.
2. Clean burner (see CARE AND MAINTENANCE,
pages
2
5
&
2
6
) or contact customer service.
The burner is
backfi
ri
ng 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, pages
2
5
&
2
6
, or contact
customer service).
2. Contact dealer or customer service.
3. Replace gas regulator.
There is a high yellow
flame du
r
ing burner
combustion.
1. There is not enough air.
2. Gas regulator is defective.
3. Inlet gas pressure is too low.
1. Check burner for dirt and debris. If found, clean burner
(see CARE AND MAINTENANCE, page
2
5
&
2
6
).
2. Replace gas regulator.
3. Contact your gas supplier.
A gas odor is present
during combustion.
1. Foreign matter between control
valve and burner.
2. Gas leak—see WARNING
Statement at top of page
27
.
1. Take apart gas tubing and remove foreign matter.
2. Locate and correct all leaks (see CHECKING GAS
CONNECTIONS, page 18).
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 a qualified service technician.
