![]() ![]() Call your technician right away to get your mini split system running efficiently and safely. Unfortunately, many of these repairs are not suitable for DIY. If all sensors and wiring seem fine, this usually points to the PCB, and it may need replacing. Unfortunately, sometimes a unit was wired wrong from the beginning, and after some time goes by, the mini split error codes begin to alert. Look at the sensor and the wiring for any possible shorts or breaks. To check a sensor, use the manual the system came with to locate the sensor you need to check. Here’s a list of the possible sensors to check: Another possibility is the computer board (PCB) is not reading the correct voltage from the sensors. To troubleshoot the wiring and sensors, simply check all wiring connections and sensors to see if there’s a malfunction. Although there are 26 codes, they can all stem from one of the following reasons: If the problem is still there, the code will come back.Īfter clearing the code, whether it’s a professional or yourself, it’s time to check for the three most common reasons for error codes to show up. If you aren’t ready to fix the problem, you can turn the unit back on anyway, after a few minutes, and see if the air conditioner error code goes away. To clear the error code, turn the unit off, then turn off the breaker. This won’t fix the problem, but it’s the first step in clearing everything and getting the mini split to run efficiently again. The first thing you want to do is figure out how to make the error code go away. Pioneer Mini Split Troubleshooting Error CodesĮven if you memorize all 26 error codes, you’ll still need to know what to do when one makes its presence known. ![]() The list is long, and it’s helpful to keep it near the mini split system so you can check error codes when necessary.
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