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1.
Spark electrode does not produce spark.
a.
Spark electrode broken - replace.
b.
Ignitor wire may not be attached to spark electrode -
attach.
c.
Ignitor wire damaged - replace.
d.
Piezo ignitor defective - replace.
2.
Spark electrode produces spark but pilot does not light.
a.
No gas to heater - turn on gas.
b.
PILOT position not properly aligned - turn gas control knob
to PILOT position and depress.
c.
Pilot is blocked from spider web or dirt - clean pilot, see
Page 15.
3.
Pilot flame does not stay "oN" when control knob is
released.
a.
Control knob in PILOT position not completely depressed
or held in long enough.
b.
Thermocouple not tightened into gas control - tighten
thermocouple.
c.
Pilot flame not surrounding thermocouple - clean pilot, see
Page 15.
d.
Inlet gas pressure too low, contact gas supplier.
e.
Thermocouple defective - replace.
f.
Gas control defective - replace.
Page 18
TROUBLESHOOTING
4.
Main burner does not ignite.
a.
Main burner orifice is blocked - clean, see "Main Burner
Flame Characteristics," Page 14. Attention: The number
stamped on the main burner orifice is a millimeter
diameter.
b.
Inlet gas pressure too low, contact gas supplier.
5.
Heater keeps shutting "OFF" during normal operation.
a.
Pilot is blocked - clean pilot, see Page 15.
b.
Inlet gas pressure too low, contact gas supplier
39910-1-0919
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