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The integrated furnace control is equipped with diagnostic LED. The LED is lit continuously
when there is power to the control, with or without a call for heat. If the LED is not lit, there
is either no power to the control or there is an internal component failure within the control,
and the control should be replaced.
If the control detects the following failures, the LED will flash on for approximately 1/4 sec-
ond, then off for 3/4 second for designated failure detections.
1 Flash: Failed to detect flame within the four tries for ignition.
2 Flash: Pressure switch or induced draft blower problem detected.
3 Flash: High limit or auxiliary limit open.
4 Flash: Flame sensed and gas valve not energized or flame sensed with no "W" signal.
5 Flash: Overtemperature switch open.
B. OPER TING INSTRUCTIONS
This appliance is equipped with a direct spark intermittent ignition device. This device
lights the main burners each time the room thermostat (closes) calls for heat. See operat-
ing instructions on the back of the furnace/controls access panel.
W RNING
DO NOT ATTEMPT TO MANUALLY LIGHT THIS FURNACE WITH A MATCH OR
ANY OPEN FLAME. ATTEMPTING TO DO SO CAN CAUSE AN EXPLOSION OR
FIRE RESULTING IN PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
TO START THE FURNACE
1. STOP! Read the safety information on the Operating Instructions Label located on this
appliance.
W RNING
IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR
EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL
INJURY OR LOSS OF LIFE.
2. Set the thermostat to its lowest setting.
3. Turn off all electric power to the appliance.
4. This appliance does not have a pilot. It is equipped with an ignition device which auto-
matically lights the burner. Do NOT try to light the burner by hand.
5. Remove control door/access panel.
6. Move switch to the "OFF" position.
7. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor.
If you smell gas, STOP!
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's
•
instructions.
• If you cannot reach your gas supplier, call the fire department.
If you don't smell gas, go to the next step.
8. Move the switch from "OFF" position to "ON" position.
9. Replace the control door.
10. Turn on all electric power to the appliance.
11. Set the thermostat to the desired setting.
12. If the appliance will not operate, follow the instructions below on how to shut down the
furnace.
W RNING
THE SPARK IGNITOR AND IGNITION LEAD FROM THE IGNITION CONTROL
ARE HIGH VOLTAGE. KEEP HANDS OR TOOLS AWAY TO PREVENT ELEC-
TRICAL SHOCK. SHUT OFF ELECTRICAL POWER BEFORE SERVICING ANY
OF THE CONTROLS. FAILURE TO ADHERE TO THIS WARNING CAN RESULT
IN PERSONAL INJURY OR DEATH.
The initial start-up on a new installation may require the control system to be energized for
some time until any air has bled through the system and fuel gas is available at the burn-
ers.
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