Desa VGC30NR/PR Electric Heater User Manual


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119162-01C26

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 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
6. Thermocouple connection
loose at control valve
7. Thermocouple damaged
8. Control valve damaged
1. Inlet gas pressure is too low
2. Burner orice(s) clogged
3. Mislocated crossover tube
4. Remote selector in OFF posi-
tion
5. Wire disconnected from gas
control
1. Manifold pressure is too low
2. Burner orice(s) clogged
3. Mislocated crossover tube
1. Burner orice is clogged or
damaged
2. Damaged burner
3. Gas regulator defective
1. Not enough air
2. Gas regulator defective
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 in-
terlock 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
Cleaning and Maintenance,
page 23) 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 pro-
pane/LP gas company
2. Clean burner(s) (see Cleaning
and Maintenance, page 23) or
replace burner orice(s)
3.
Contact qualied service person
4. Put remote selector in ON
position
5.
See Wiring Diagram, page 23
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.
Contact qualied service person
1. Clean burner (see Cleaning
and Maintenance, page 23)
or replace burner orice
2. Replace damaged burner
3. Replace gas regulator
1. Check burner(s) for dirt
and debris. If found, clean
burner(s) (see Cleaning and
Maintenance, page 23)
2. Replace gas regulator

ODS/pilot lights but flame
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 backring during com-
bustion
Yellow ame in front burner
during burner combustion
TROUbLESHOOTING
Continued
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