The ICM291 control is low cost form, fit and functional replacement board for Carrier: LH33WP003A circuit boards. It controls inducer fan motor, blower fan and monitors limit switches. The ICM291 has incorporated LED diagnostics to assist in troubleshooting.
Fault code information can be found in the application guide. Please refer application guide with the furnace installation manual for future reference.
- Low cost form, fit and functional replacement for Carrier: LH33WP003A
- Direct Spark Ignition (DSI) control board
- Controls combustion, blower and indoor fan motors; spark ignitor; and the gas valve
- Monitors timing, trial for ignition, flame sensing and lockout
- 100% lockout safety feature
- Compatible with LP or Natural Gas
- Status LED for fault