V6-i VRF 50/60Hz       
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Midea V6-i Series Service Manual
 
2.8 xE9: EEPROM mismatch 
 Digital display output 2.8.1
       
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 2.8.2
  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. 
 
 Trigger / recover condition 2.8.3
  Trigger condition: Compressor drive parameter is mismatch. 
  Recover condition: Compressor drive parameter is match. 
  Reset method: Manually restart. 
 
 Possible causes 2.8.4
  Outdoor unit was powered on immediately after being powered off. 
  Main PCB damaged.