Midea MHC-V6W/D2N8-B User Manual

M thermal Mono
202004 65
4.9 HF Troubleshooting
Digital display output
Description
 Refrigerant system EEPROM error.
 M thermal Mono stops running.
 Error code is displayed on refrigerant system main control board for refrigerant system and user interface.
Possible causes
 Refrigerant system main PCB EEPROM is not connected properly.
 Refrigerant system main PCB damaged.
Procedure
HF
Refrigerant system EEPROM
1
is not
connected properly
Yes
Ensure the EEPROM is connected
properly
No
Replace refrigerant system main PCB
Notes:
1. Refrigerant system main PCB EEPROM is designated IC23 on the refrigerant system main PCBs (labeled 29 in Figure 4-2.2 in Part 4, 2.3 “Main PCBs for
Refrigerant System, Inverter Modules and Filter Boards”), designed IC13 on the refrigerant system main PCBs (labeled 19 in Figure 4-2.4 in Part 4, 2.2
“Main PCBs for Refrigerant System, Inverter Modules and Filter Boards”), designed IC23 on the refrigerant system main PCBs (labeled 26 in Figure 4-2.6 in
Part 4, 2.2 “Main PCBs for Refrigerant System, Inverter Modules and Filter Boards”).
Midea CAC Confidential

Midea MHC-V6W/D2N8-B Specifications

General

Brand	Midea
Model	MHC-V6W/D2N8-B
Category	Air Conditioner
Language	English