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OBSERvED pROBLEM
ODS/pilot lights but flame
goes out when control knob
is released
Burner does not light after
ODS/pilot is lit
Delayed ignition of one or both
burners
Burner backfiring during
combustion
121308-01E
TROUbLEShOOTING
Continued
pOSSIBLE CAUSE
1. C o n t r o l k n o b n o t f u l l y
pressed in
2. Control knob not pressed in
long enough
3. Equipment shutoff valve not
fully open
4. Pilot flame not touching
thermocouple, which al-
lows thermocouple to cool,
causing pilot flame 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
5. Thermocouple connection
loose at control valve
6. Thermocouple damaged
7. Control valve damaged
1. Inlet gas pressure is too
low
2. Burner orifice(s) clogged
3. Thermopile leads dis-
connected or improperly
connected
4. Burner will not come on in
remote position
1. Manifold pressure is too
low
2. Burner orifice(s) clogged
1. Burner orifice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
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REMEDY
1. Press in control knob fully
2. After ODS/pilot lights, keep
control knob pressed in 30
seconds
3. Fully open equipment shut-
off valve
4. A) Contact local natural or
propane/LP gas company
B) Clean ODS/pilot (see
Cleaning and Maintenance,
page 25) or replace ODS/
pilot assembly
5. Hand tighten until snug,
then tighten 1/4 turn more
6. Replace pilot assembly
7. Replace control valve
1. Contact local natural or
propane/LP gas company
2. Clean burner(s) (see Clean-
ing and Maintenance,
page 25) or replace burner
orifice(s)
3. Reconnect leads (see Wir-
ing Diagram, page 30)
4. Replace battery in transmit-
ter and receiver
1. Contact local natural or
propane/LP gas company
2. Clean burner(s) (see Clean-
ing and Maintenance,
page 25) or replace burner
orifice(s)
1. Clean burner (see Cleaning
and Maintenance, page 25)
or replace burner orifice(s)
2. Replace damaged burner
3. Replace gas regulator
27
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