Superior Fireplaces TF18NR Installation And Operation Instructions Manual page 30

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 backfi ring during com-
bustion
30
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. Safety interlock system has
been triggered
4. Equipment shutoff valve not
fully open
5. Pilot flame not touching
thermocouple, which allows
thermocouple to cool, caus-
ing 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 disconnect-
ed or improperly connected.
4. Remote selector in OFF posi-
tion
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 con-
trol knob pressed in 30 seconds
3. Wait one minute for safety
interlock system to reset.
Repeat ignition operation
4. Fully open equipment shutoff
valve
5. A) Contact local natural or
propane/LP gas company
B) Clean ODS/pilot (see Clean-
ing and Maintenance, Page
28) or replace ODS/pilot as-
sembly
6. Hand tighten until snug, then
tighten 1/4 turn more
7. Replace pilot assembly
8. Replace control valve
1. Contact local natural or pro-
pane/LP gas company
2. Clean burner(s) (see Cleaning
and Maintenance, Page 28) or
replace burner orifi ce(s)
3. Reconnect leads see Wiring
Diagram, Page 33
4. Put remote selector in ON
position
5. See Wiring Diagram, Page 33
1. Contact local natural or pro-
pane/LP gas company
2. Clean burner(s) (see Cleaning
and Maintenance, Page 28) or
replace burner orifi ce(s)
3. Contact qualifi ed service person
1. Clean burner (see Cleaning
and Maintenance, Page 28)
or replace burner orifi ce
2. Replace damaged burner
3. Replace gas regulator
126816-01F