Desa LMFP33PR(B) Indoor Fireplace User Manual


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119526-01A 25
OBSERVED PROBLEM
ODS/pilot lights but ame goes
out when control knob is re-
leased
Burner does not light after ODS/
pilot is lit
Delayed ignition of one or both
burners
Burner backring during com-
bustion
POSSIBLE CAUSE
1.
Control knob not fully pressed in
2. Control knob not pressed in
long enough
3. Equipment shutoff valve not
fully open
4. Pilot ame not touching ther-
mocouple, which allows ther-
mocouple 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 orice(s) clogged
3. Thermopile leads disconnect-
ed or improperly connected
4. Burner will not come on in
remote position
1. Manifold pressure is too low
2. Burner orice(s) clogged
1. Burner orice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
REMEDY
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. A) Contact local natural or
propane/LP gas company
B) Clean ODS/pilot (see
Cleaning and Maintenance,
page 23) 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 pro-
pane/LP gas company
2. Clean burner(s) (see Cleaning
and Maintenance, page 23) or
replace burner orice(s)
3. Reconnect leads (see Wiring
Diagram, page 28)
4. Replace battery in transmitter
and receiver
1. Contact local natural or pro-
pane/LP gas company
2. Clean burner(s) (see Cleaning
and Maintenance, page 23) or
replace burner orice(s)
1. Clean burner (see Cleaning
and Maintenance, page 23) or
replace burner orice(s)
2. Replace damaged burner
3. Replace gas regulator
TROUBLESHOOTING
Continued
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