HVACopediaMidea furnace error codes
14 codes with causes and test steps.
| Code | Meaning | Severity |
|---|---|---|
| E1 | Low-fire pressure switch stuck closed | High |
| E2 | Low pressure switch stuck open | High |
| E3 | High pressure switch stuck open | High |
| E4 | Pressure switch cycle lockout | High |
| E5 | Limit/rollout switch open less than 5 minutes | High |
| E6 | Limit/rollout switch open more than 5 minutes | Critical |
| E7 | System lockout - failed ignition | High |
| E8 | System lockout - too many flame dropouts | High |
| LED2 green 1 flash | Refrigerant leak sensor communication failure | High |
| LED2 green 2 flashes | Refrigerant concentration above alarm limit (leak) | Critical |
| LED2 green 3 flashes | Sensor connected but SW1-2 OFF (DIP reminder) | Low |
| LED2 green 4 flashes | Refrigerant sensor expired or faulty | High |
| FL | Low flame signal | Medium |
| Pr | Incorrect polarity of L1/L2 | Medium |
Models covered
BGH96M060B3ABGH96M080B3ABGH96M080C4ABGH96M100C5ABGH96M100D5ABGH96M120D5A
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.