M thermal Split
62 202004
Midea M thermal Split
4.7 EE Troubleshooting
Digital display output 4.7.1
Description 4.7.2
Hydronic box main PCB EEPROM error.
M thermal Split stops running.
Error code is displayed on hydronic box main PCB and user interface.
Possible causes 4.7.3
Hydronic box main PCB EEPROM is not connected properly.
Hydronic box main PCB damaged.
Procedure 4.7.4
EE
Hydronic box main PCB EEPROM
is not
connected properly
Yes
Ensure the EEPROM is connected
properly
No
Replace hydronic box main PCB
Notes:
1. Hydronic box main PCB EEPROM is designated IC39 on the main PCB for hydronic box (labeled 31 in Figure 4-2.1 in Part4, 2.2 "Main PCB for Hydronic
System").
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