Carrier Mini-Split: Display shows a strange code or does not answer the remote – DLFSHB indoor
Display shows a strange code or does not answer the remote - DLFSHB indoor on a Carrier mini-split: The indoor display shows a code that is not in the tables, or the unit ignores the remote.
Applies to: DLFSHBH high wall indoor units 09-24K (Midea / Carrier / Viessmann) on DLC multi-zone or single-zone outdoor units
Common causes of display shows a strange code or does not answer the remote - dlfshb indoor
- Temperature reading mistaken for a code
- Bad indoor PCB
- Bad display board
How to fix display shows a strange code or does not answer the remote - dlfshb indoor: step by step
- Make sure the 'code' is not just a temperature reading.
- Test with the remote. Display works but the unit ignores the remote = replace the indoor PCB.
- Unit responds but the display stays dark after pressing LED = replace the display board.
If the unit shows an error code, look it up: Carrier Mini-Split codes
Models
DLFSHBH09XAKDLFSHBH12XAJDLFSHBH12XAKDLFSHBH18XAKDLFSHBH24XAK
Source: Carrier MS-DLFSHB-01 High Wall Ductless Service Manual (04/2021), Table 9 notes p.17. 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.