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16943-7-0907Page 14
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
Figure 12, Page 12.
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. INTERLOCK latching device is operative - see "Lighting
Instructions," Page 10, Step 9.
c. Thermocouple lead not tightened into gas control - tighten
thermocouple lead.
d. Pilot flame not surrounding thermocouple - clean pilot, see
Figure 12, Page 12.
e. Inlet gas pressure too low, contact gas supplier.
f. Thermocouple defective - replace pilot.
g. Gas control defective - replace.
4. Main burner does not ignite.
a. Main burner orifice is blocked - clean, see "Main Burner
Flame Characteristics," Page 11.
b. Inlet gas pressure too low, contact gas supplier.
5. Heater keeps shutting "OFF" during normal operation.
a. Pilot is blocked - clean pilot, see Figure 12, Page 12.
b. Inlet gas pressure too low, contact gas supplier
SYMPTOMS - POSSIBLE CAUSES AND CORRECTIONS
Parts can be ordered only through your service person or dealer. For best results, the service person or dealer should order parts through
the distributor. Parts can be shipped directly to the service person/dealer.
All parts listed in the Parts List have a Part Number. When ordering parts, first obtain the Model Number from the name plate on your
equipment. Then determine the Part Number (not the Index Number) and the Description of each part from the following appropriate
illustration and list. Be sure to give all this information.
Unvented Heater Model Number Part Description
Unvented Heater Serial Number Part Number
Type of Gas (Propane or Natural)
Do not order bolts, screws, washers or nuts. They are standard hardware items and can be purchased at any local hardware store.
Shipments contingent upon strikes, fires and all causes beyond our control.
Empire Comfort Systems, Inc. Nine Eighteen Freeburg Ave. Belleville, IL 62220-2623
TROUBLESHOOTING
HOW TO ORDER REPAIR PARTS