Part No. ICM280
Functions with all 24 VAC thermostats
Diagnostic fault codes (blinking LED) for simple troubleshooting
Twining compatible with another ICM280
For 80+ and 90+ applications, 9-pin card slot connection and 9-pin Molex connector on board
Board controls all functions of the furnace and monitors safeties, energizes the ignitor, energizes the blower motor, and energizes the exhaust fan.
Part location on furnace:
Mounting is commonly on the blower housing.
Part failure symptoms:
A bad board is indicated when all components controlled by the board test good and all safeties monitored by the board test good.
Call the U-FIX-IT store nearest you for free assistance with diagnosis.