Superior TF18NV Installation And Operation Instructions Manual page 32

OBSERVED PROBLEM
ODS/pilot lights but fl ame
goes out when control knob
is released
One or both burners do not
light after ODS/pilot is lit
Delayed ignition of one or
both burners
Burner backfiring during
combustion
32
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Control knob not fully
pressed in
2. Control knob not pressed in
long enough
3. Safety interlock system has
been triggered
4. Equipment shutoff valve not
fully open
5. Pilot flame not touching
thermocouple, which al-
lows thermocouple to cool,
causing pilot fl 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 connection
loose at control valve
7. Thermocouple damaged
8. Control valve damaged
1. Inlet gas pressure is too low
2. Burner orifi ce(s) clogged
3. Thermopile leads discon-
nected or improperly con-
nected.
4. Remote selector in OFF
position
5. Wire disconnected from gas
control
1. Manifold pressure is too low
2. Burner orifi ce(s) clogged
3. Mislocated crossover tube
1. Burner orifi ce is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
SuperiorFireplaces.us.com
REMEDY
1. Press in control knob fully
2. After ODS/pilot lights, keep
control knob pressed in 30
seconds
3. Wait one minute for safety
interlock system to reset.
Repeat ignition operation
4. Fully open equipment shut-
off valve
5. A) Contact local natural or
propane/LP gas company
B) Clean ODS/pilot (see
Cleaning and Maintenance,
Page 30) or replace ODS/
pilot assembly
6. Hand tighten until snug,
then tighten 1/4 turn more
7. Replace pilot assembly
8. Replace control valve
1. Contact local natural or
propane/LP gas company
2. C l e a n b u r n e r ( s ) ( s e e
Cleaning and Maintenance,
Page 30) or replace burner
orifi ce(s)
3. Reconnect leads see wiring
diagram, Page 35
4. Put remote selector in ON
position
5. See Wiring Diagram, Page
35
1. Contact local natural or
propane/LP gas company
2. C l e a n b u r n e r ( s ) ( s e e
Cleaning and Maintenance,
Page 30) or replace burner
orifi ce(s)
3. Contact qualifi ed service per-
son
1. Clean burner (see Cleaning
and Maintenance, Page 30)
or replace burner orifi ce
2. Replace damaged burner
3. Replace gas regulator
126817-01D