Midea MV5-X252W/V2GN1 - 4.7 E8 Troubleshooting; 4.7.1 Digital display output; 4.7.2 Description; 4.7.3 Possible causes

V5 X VRF 50/60Hz
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Midea V5 X Series Service Manual
4.7 E8 Troubleshooting
Digital display output 4.7.1
Description 4.7.2
 Outdoor unit address error.
 All units stop running.
 Error code is only displayed on the unit with the error.
Possible causes 4.7.3
 Invalid outdoor unit address.
 Main PCB damaged.