ICP Furnace: Recall the last 7 stored status codes (SW1-1)
Recall the last 7 stored status codes (SW1-1) on a ICP furnace: Setup switch SW1-1 ON plus the blower door switch makes the amber LED flash up to seven stored codes in order, then a heartbeat flash. Codes survive power loss.
Applies to: ICP (F/G)9MAE modulating furnaces
How to fix recall the last 7 stored status codes (sw1-1): step by step
- No thermostat call present and all blower-off delays finished
- Leave 115 V on and remove the blower door
- Turn SW1-1 ON and manually close the blower door switch
- Watch the LED: up to 7 codes flash, then a heartbeat
- Turn SW1-1 OFF, release the door switch and refit the door
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, Retrieving Stored Fault Codes, 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.