Use and Care Manual

28
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200273-01C
Problem Possible Cause Corrective Action
ODS/pilot lights but ame
goes out when control
knob is released.
1. Control knob is not fully
pressed in.
2. Control knob is not pressed
in long enough.
3. Equipment shuto󰀨 valve is
not fully open.
4. Thermocouple connection is
loose at control valve.
5. Pilot flame not touching
thermocouple, which allows
thermocouple to cool, caus-
ing pilot ame to go out. This
problem could be caused by
one or both of the following:
A) Low gas pressure
B) Dirty or partially clogged
ODS/pilot
6. Thermocouple damaged.
7. 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 shuto󰀨
valve.
4. Hand tighten until snug, and
then tighten 1/4 turn more.
5. A) Contact local natural or
propane gas company
B) Clean ODS/pilot (see
Care and Maintenance,
page 25) or replace ODS/
pilot assembly
6. Replace thermocouple.
7. Contact customer service.
Burner does not light after
ODS/pilot is lit.
1. Burner orice is clogged.
2. Inlet gas pressure is too low.
3. Burner orice diameter is too
small.
1. Clean burner orifice (see
Care and Maintenance,
page 25).
2. Contact local gas supplier.
3. Replace heater chassis.
Delayed ignition of
burner.
1. Manifold pressure is too low.
2. Burner orice is clogged.
1. Contact local gas supplier.
2. Clean burner (see Care and
Maintenance, page 25).
Burner backring during
combustion.
1. Burner orice is clogged or
damaged.
2. Burner is damaged.
3. Gas regulator is damaged.
1. Clean burner orifice (see
Care and Maintenance,
page 25).
2. Contact dealer or customer
service.
3. Replace heater chassis.
Yellow ame during burn-
er combustion.
1. Not enough air.
2. Inlet gas pressure is too low.
3. Gas regulator is damaged.
1. Check burner for dirt and
debris. If found, clean burner
(see Care and Maintenance,
page 25).
2. Contact local gas supplier.
3. Replace heater chassis.
Slight smoke or odor
during initial operation.
1. Residues from manufactur-
ing process.
1. Problem will stop after a few
hours of operation.
Gas odor during com-
bustion.
1. Foreign matter between
control valve and burner.
2. Gas leak. (See Warning
Statement at top of page 26).
1. Contact a qualied service
technician to remove foreign
matter.
2. Locate and correct all leaks
(see Checking Gas Connec-
tions, page 17).
TROUBLESHOOTING