This error indicates that the system has detected an abnormality in the inverter compressor drive circuit. It could be related to communication signal loss, abnormal voltage readings, or incorrect compressor …

Jul 10, 2023 · P4 and PC04 are Inverter Compressor Drive errors. Even though they sound specific, these codes can be generated from a broad spectrum of component failures and operating issues …

The "P4”, “PC 04”, or “PC04” error codes indicate an inverter drive error is present. The error codes may display if the compressor or outdoor board is failing.

In the latest episode of the S.O.S series for a service technician, we show you how to properly diagnose and solve a PCO4/P4 error in an inverter compressor.

When encountering a PC04 or P4 error code, the potential causes and solutions can vary depending on whether the system is newly installed or has been in operation, and whether it is a single-zone or …

When the compressor current rises above the protection value 24A, the system displays P4 or P5 protection and all units stop running. When the current returns to the normal range, P4 or P5 is …

Oct 1, 2020 · In this post we are reviewing troubleshooting an inverter compressor and the control that drives it.

A mini split P4 error code is an “Inverter compressor drive error.” Causes can include low voltage, faulty outdoor fan motor, wiring, circuit board issues, faulty compressor, and more.

Abnormalities in the inverter compressor drive is detected by a special detection circuit, which can perform communication signal detection, voltage detection, and compressor rotation speed signal …

6 days ago · The P4 error code generally signals an Inverter Compressor Drive Fault, which means the electronic control system has detected a problem with how the compressor is being powered or …