Factory Authorized Parts™ - Replacement Control Board, Carrier CES0110057-00, 01, 02. Low cost form, fit and functional replacement board for Carrier. Controls gas valve, ignitor, blower motor, inducer, humidifier and air cleaner. Microprocessor-based for precise timing. Functions with all 24 VAC thermostats. Designed for 100% gas shutoff in case of ignition failure. Twinning compatible with another ICM281 board. Reverse polarity protection. Secondary brownout voltage protection. Diagnostic fault codes (blinking LED) for simple troubleshooting.