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17
Vermont Castings Radiance
Trouble-
Warning
Turn OFF heater and allow to cool completely
before servicing.
Condition
No spark at Pilot when Ignitor is
operated
The Iignitor Electrode sparks, but
Pilot does not light
Pilot lights but flame goes out when
Contorl Knob is released.
Possible Cause
1.Ignition Electrode is disconnected
from ignition wire, broken o incor-
rectly positioned.
2.Piezo Ignitor nut is loose.
3.Ignitor wire is broken.
4.Bad Piezo Ignitor.
1.Gas supply is turned off or supply line
shutoff valve is closed.
2.Control KNob is not in PILOT
position.
3.Contol Knob not pressed in while in
PILOT position.
4.Air present in gas lines.
5.Inlet supply pressure is not within
correct settings.
6.Other conditions that should be
identified only by a qualified gas
technician.
1.Control Knob not fully depressed or
held in long enough.
2.Gas supply line shutoff valve is not
fully open.
3.Thermocouple connection is loose at
the Control Valve.
4.Pilot flame does not touch the
Thermocouple. This can be caused
by:
a.Incorrect gas pressure, and/or
b.other conditions that should be
identified only by a qualified service
technician.
7.Thermocouple is damaged.
8.Control Valve is damaged.
Solution
1.Inspect and reconnect, replace or
repair as necessary.
2.Tighten the nut to establish secure
contact to the valve bracket.
3.Replace wire.
4.Replace Piezo ignitor.
1.Turn on gas supply or open suppy
line shutoff valve.
2.Turn Control Knob to PILOT.
3.Press Control Knob in while in the
PILOT position.
4.Continue holding in Control Knob and
repeat ignition procedure until air is
bled from the lines.
5.Call local gas supplier. Adjust inlet
supply pressure to specification: NG;
5” W.C. - 8” W.C. (5”W.C. - 7” W.C. at
elevations over 8000 ft.) LP; 11” W.C.
- 12” W.C.
6.Call qualified gas technician.
1.Depress Control Knob fully and hold
in for a full 30 seconds.
2.Fully open gas supply line shutoff
valve.
3.Inspect and tighten securely.
4.A) Contact the local gas company.
Inlet supply pressure should be
between 5” W.C. and 8” W.C. for NG
(5” W.c. - 7” W.C. over 8000 ft
elevation) and 11” W.C. - 12” W.C. for
LP. Adjust as necessary.
B) Call local gas service technician.
5.Call local gas service technician.
6.Call local gas service technician.