1018028-B Page 18
TROUBLESHOOTING CHART ) - MAIN BURNER
Please follow the following corrective actions in order.
SYMPTOM POSSIBLE CAUSES
not engaged.
Pilot Won’t
Light
CORRECTIVE ACTION
Burner Won’t
Turn On
1. Gas valve not turned on.
2. No voltage to valve.
3. Defective thermostat.
4. No 115 V. Line voltage.
5. Gas valve defective.
1. Turn gas valve to “on” position.
2. Check for 24 Volts to valve from transformer.
4. Provide line voltage.
1. Air in line.
2. Defective thermocouple
Pilot Won’t
Light, or Won’t
Stay Lit
1. Bleed line.
b. Turn valve to “on” position.
c. Check for pilot restriction.
I.I.D. Pilot
Standing Pilot
All installations in the State of Massachusetts must use
heaters.
For direct-vent appliances, mechanical-vent heating
bottom of the vent terminal and the air intake is installed
detector and alarm shall be placed in the living area
outside the bedroom(s). The carbon monoxide detector
2. A carbon monoxide detector shall be located in the
room that houses the appliance or equipment
and shall:
appliance or equipment such that only one service
monoxide detector.
720 (2005 Edition); and
d. Have been approved and listed by a Nationally
A CARBON MONOXIDE DETECTOR SHALL:
a. Be located in the room that houses the appliance
or equipment;
3. A product-approved vent terminal must be used, and if
applicable, a product-approved air intake must be
equipment at the completion of the installation.
at the exterior of the building, four feet directly above
the location of vent terminal. The plate shall be of
INSTALLATIONS IN THE STATE OF MASSACHUSETTS
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