Mitsubishi Electric PUY error codes
Codes
- ULError codeAbnormal low pressure (63L worked) Abnormal if 63L is worked (under0.03MPa) during compressor operation. 63L: Low-pressure switch (A42N only)
- UPError codeCompressor overcurrent interruption Abnormal if overcurrent DC bus or compressor is detected after compressor starts operating for 30 seconds.