Midea MDV-D22Q1/N1-D - E7 Troubleshooting

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3.6. E7 Troubleshooting
3.6.1. Display output
or
DEF./FAN
LED flashes
twice per
second
3.6.2. Description
▪ EEPROM mismatch.
3.6.3. Impact on other units
▪ Refer to 4.2 “Impact on Other Units”.
3.6.4. Possible causes
▪ Damaged main PCB.
3.6.5. Procedure
E7
Replace indoor main PCB