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ICP Furnace: Run the furnace component self-test (SW1-6)

Updated · by Aurora Star Tech Inc.

Run the furnace component self-test (SW1-6) on a ICP furnace: Setup switch SW1-6 starts a self-test: inducer, gas valve communication check, igniter 15 s, blower mid airflow 15 s, then inducer stops. At the end the LED flashes a result: heartbeat, 2+5, 3+5, 4+1 or 4+2.

Homeowner with a furnace problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Applies to: ICP (F/G)9MAE modulating furnaces

How to fix run the furnace component self-test (sw1-6): step by step

  1. Remove the blower door and take the wire off the R terminal
  2. Turn SW1-6 ON
  3. Manually close the blower door switch and watch the test run
  4. Release the switch, reconnect R and refit the door; to repeat turn SW1-6 OFF then ON
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

If the unit shows an error code, look it up: ICP Furnace codes

Models

G9MAE0601714G9MAE0602120G9MAE0801714G9MAE0802120G9MAE1002122G9MAE1202422

Source: ICP (F/G)9MAE Service Manual 440 04 4700 00, Component Self-Test, p.22. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency Furnace Repair

647-657-2977