Midea MV5-X252W/V2GN1 Service Manual page 65

V5 X VRF 50/60Hz
4.9 xH0, H1 Troubleshooting
4.9.1 Digital display output
In the error code, 'x' is a placeholder for the compressor system (compressor and related electrical components), with 1
representing compressor system A and 2 representing compressor system B.
4.9.2 Description
 1H0 indicates a communication error between the main control chip and the compressor A inverter driver chip.
 2H0 indicates a communication error between the main control chip and the compressor B inverter driver chip.
 H1 indicates a communication error between the main control chip and the communication chip.
 All units stop running.
 Error code is only displayed on the unit with the error.
4.9.3 Possible causes
 Power supply abnormal.
 Transformer malfunction.
 Interference from a source of electromagnetic radiation.
 Main PCB damaged.
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