Desa VO36NR Mode D'emploi page 17

ObSERVED PRObLEM
Pilot lights but flame goes
out when control knob is
released
Delayed ignition burner
Burner backfiring during com-
bustion
Slight smoke or odor during
initial operation
Heater produces a whistling
noise when burner is lit
Fireplace produces a clicking/
ticking noise just after burners
are lit or shut off
Remote does not function
119109-01G
TROUbLEShOOTING
Continued
POSSIBLE CAUSE
1. Gas control knob not fully
pressed in
2. Gas control knob not
pressed in long enough
3. Equipment shutoff valve
not fully open
4. Pilot flame not touching
thermocouple, which allows
thermocouple to cool, caus-
ing 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
pilot
5. Thermocouple connection
loose at control valve
6. Thermocouple damaged
7. Control valve damaged
1. Manifold pressure is too
low
2. Burner porting or orifice
clogged
1. Burner orifice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
1. Residues from manufac-
turing processes and logs
curing
1. Turning gas control knob to
HI position when burner is
cold
2. Air in gas line
3. Dirty or partially clogged
burner orifice
1. Metal expanding while
heating or contracting
while cooling
1. Battery is not installed or
battery power is low
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REMEDY
1. Press in gas control knob
fully
2. After pilot lights, keep gas
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 pilot (see Cleaning
and Maintenance, page 14)
or replace pilot assembly
5. Hand tighten until snug,
then tighten 1/4 turn more
6. Replace pilot assembly
7. Replace control valve
1. Contact local propane/LP or
natural gas company
2. Clean burner (see Cleaning
and Maintenance, page 14)
or replace burner orifice
1. Clean burner (see Cleaning
and Maintenance, page 14)
or replace burner orifice
2. Replace damaged burner
3. Replace gas control
1. Problem will stop after a few
hours of operation
1. Turn gas 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. Clean burner (see Cleaning
and Maintenance, page 14)
or replace burner orifice
1. This is normal. If noise is
excessive, contact qualified
service person
1. Replace 9-volt batteries
in receiver and hand-held
remote control
17