Brand: Carrier
Category: HVAC Controller
Document Type:
Language: EN
Manual for 42ADF025 - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:45 p.m.
Manual Publish Date: 2007-01
Warranty Summary
No warranty information available.
The Carrier 42ADF025 / 42ADF035 air conditioner is operated using an infrared remote control. The remote control allows users to select various modes such as Heating, Cooling, Automatic, and Dehumidification. Users can adjust the temperature, fan speed, and air flow direction using dedicated buttons. Timer functions, including ON, OFF, DAILY, and Sleep timers, are available for scheduling operation. Powerful and Economical modes offer enhanced or energy-saving operation respectively. The remote control also features a display showing selected functions and error codes.
Troubleshooting and error codes
| Code | Description |
|---|---|
| 2 | Indoor unit Room Air sensor fault |
| 3 | Indoor unit Tc Coil sensor fault |
| 6 | Outdoor unit Reverse valve fault |
| 8 | Indoor Fan Motor fault |
| 9 | Indoor unit power line Feedback fault |
| 11 | Condensate Pump Failure or water drain Failure |
| 12 | Indoor unit software fault (Address / Zone Corrupt) |
| 13 | Feu capacity configuration fault |
| 14 | Loss of Signal From CDU |
| 15 | Indoor unit Tcj Coil sensor fault |
| 18 | Outdoor unit control box fault (G-Tr short circuit protection) |
| 20 | Position Detection Circuit Error |
| 21 | Outdoor unit Current Sensor fault |
| 22 | Outdoor unit Heat Exchange Sensor fault |
| 23 | Outdoor unit Discharge Temperature Sensor fault |
| 24 | Outdoor unit Fan fault |
| 26 | Other Outdoor unit fault |
| 27 | Outdoor unit Compressor Lock |
| 28 | Outdoor unit Discharge Temperature fault |
| 29 | Outdoor unit Compressor Breakdown |
| 31 | Outdoor unit High/Pressure Release |