M thermal Mono
202008                                                                                                                                                                                                                    25
Part 4 
Diagnosis and 
Troubleshooting 
 
1 Outdoor Unit Electric Control Box Layout ................................................. 26
 
2 Outdoor Unit PCBs ................................................................................... 27
 
3 Error Code Table ....................................................................................... 34
 
4 Troubleshooting ....................................................................................... 36
 
5 Appendix to Part 4 ................................................................................... 89
 
 
   
Midea CAC