Midea MSMBB-12HRFN1-MU0W

Troubleshooting
 Page 100 
5.13 Compressor driven chip EEPROM parameter error diagnosis and solution
Description: Outdoor PCB main chip does not receive feedback from compressor driven EEPROM chip.
Recommended parts to prepare:
• Outdoor PCB
Troubleshooting and repair:
Shut off the power supply and
turn it on 2 minutes later.
Is it still displaying
the error code?
YES
Replace the outdoor main
PCB.
The unit is operating normally.
NO