Midea MV5-X252W/V2GN1 - 4.8 xE9 Troubleshooting; 4.8.1 Digital display output; 4.8.2 Description; 4.8.3 Possible causes

V5 X VRF 50/60Hz
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Midea V5 X Series Service Manual
4.8 xE9 Troubleshooting
Digital display output 4.8.1
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.
Description 4.8.2
 1E9 indicates a compressor A EEPROM mismatch.
 2E9 indicates a compressor B EEPROM mismatch.
 All units stop running.
 Error code is only displayed on the unit with the error.
Possible causes 4.8.3
 Outdoor unit was powered on immediately after being powered off.
 Main PCB damaged.