R410A All DC Inverter Mini VRF MCAC-VTSM-2016-02
70 Troubleshooting
5.7 E9: EEPROM malfunction
The malfunction may be caused by two reasons:
1) The EEPROM is not inserted well; 2) Outdoor main board is broken.
LED display E9/E0
EEPROM malfunction
Replace outdoor main PCB.
Check whether the EEPROM is inserted well.
Insert the EEPROM well
NO
YES
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