ESIE05-03 Error Codes: Outdoor UnitsPart 3 – Troubleshooting 3–65334513.6 Compressor Motor Lock (E5)Remote ControllerDisplayE5Method ofMalfunctionDetectionInverter PC board takes the position signal from UVWN line connected between the inverter andcompressor, and detects the position signal pattern.MalfunctionDecisionConditionsThe position signal with 3 times cycle as imposed frequency is detected when compressor motoroperates normally, but 2 times cycle when compressor motor locks. When the position signal in 2 timescycle is detectedSupposed Causes P Compressor lockP High differential pressure (2.6MPa or more) startingP Incorrect UVWN wiringP Faulty inverter PC boardP Stop valve is left in closed.
