Midea MV6-R450WV2GN1 Service Manual

V6R VRF 50/60Hz
153
Part
6
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Diagnosis and Troubleshooting
3.4 E7: EEPROM error
Digital display output
Description
 EEPROM error.
 All units stop running.
 Error code is displayed on the malfunction MS box.
 The indoor unit display board or wired controller connected to this MS displays "F8”.
Trigger / recover condition
 Trigger condition: MS EEPROM parameter is mismatch.
 Recover condition: Cannot recover.
 Reset method: Manually restart.
Possible causes
 MS PCB damaged.
Procedure
E7
Replace the MS main PCB

Midea MV6-R450WV2GN1 Specifications

General

Brand	Midea
Model	MV6-R450WV2GN1
Category	Air Conditioner
Language	English