Desa SVYD18PRA - Manual (Page 20)

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POSSIBLE cAUSE
1. Burner orifice clogged
2. Inlet gas pressure is too low
3. Thermopile leads disconnected
or improperly connected
4. Burners will not come on in
remote position
1. Manifold pressure is too low
2. Burner orifice clogged
1. Burner orifice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
3. Residues from manufacturing
processes and logs curing
1. Not enough combustion/ven-
tilation air
1. Turning control knob to HI
position when burner is cold
2. Air in gas line
3. Air passageways on heater
blocked
4. Dirty or partially clogged
burner orifice
1. Improper log placement
2. Drafts or other air currents
affecting flame pattern
3. Air holes at burner inlet
blocked
4. Burner flame holes blocked
REMEDY
1. Clean burner (see Cleaning
and Maintenance, page 18)
or replace burner orifice
2. Contact local propane/LP or
natural gas company
3. Reconnect leads (see Wiring
Diagram, page 26)
4. Replace battery in transmitter
and hand-held remote
1. Contact local propane/LP or
natural gas company
2. Clean burner (see Cleaning
and Maintenance, page 18)
or replace burner orifice
1. Clean burner (see Cleaning
and Maintenance, page 18)
or replace burner orifice
2. Replace damaged burner
3. Replace gas control
1. Check burner for dirt and debris.
If found, clean burner (see Clean-
ing and Maintenance, page 18)
2. Replace gas control
3. Problem will stop after a few
hours of operation
1. Refer to Air for Combustion
and Ventilation requirements
(page 5)
1. Turn control knob to LO position
and let warm up for a minute
2. Operate burner until air is
removed from line. Have gas
line checked by local propane/
LP or natural gas company
3. Observe minimum installation
clearances (see page 8)
4. Clean burner (see Cleaning
and Maintenance, page 18)
or replace burner orifice
1. Properly locate logs (see In-
stalling Gas Log Into Stove,
page 11)
2. Eliminate source of drafts
around heater
3. Clean out air holes at burner inlet.
Periodically repeat as needed
4. Remove blockage or replace
burner
OBSERVED PROBLEM
Burner does not light after
ODS/pilot is lit
Delayed ignition burner
Burner backfiring during com-
bustion
Slight smoke or odor during
initial operation
Moisture/condensation noticed
on windows
Heater produces a whistling
noise when burner is lit
Dark residue on logs or inside
of fireplace
TROUBLESHOOTING
Continued