Error codes in Hisense air conditioners

When your Hisense air conditioner shows a code on the screen, it’s not just a notice: it’s the unit’s way of indicating which part of the system has detected an abnormal condition. On this page you’ll find clear guidance to link that code to its most likely cause—whether it’s related to temperature sensors, compressor protection, fan faults, communication issues between the indoor and outdoor units, or problems with the power supply. The idea is to help you get oriented quickly and know what to check before making decisions.

Check the list of codes and access the solution for your model

Below you’ll find a summary table with the most common error codes in Hisense air conditioners and a brief explanation of what they usually mean. Use it as a starting point: find your code, review the associated cause, and from there open the full guide to see diagnostic steps and recommendations for your situation.