Midea M-Thermal Series Service Manual page 51

M‐Thermal Split
4.6 EE Troubleshooting
Digital display output
Description
 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
 Hydronic box main PCB EEPROM is not connected properly.
 Hydronic box main PCB damaged.
Procedure
Hydronic box main PCB EEPROM
connected properly
Replace hydronic box main PCB
Notes:
1. Hydronic box main PCB EEPROM is designated IC18 on the main PCB for hydronic box (labeled 32 in Figure 4‐2.1 in Part4, 2.2 "Main PCB for Hydronic
System").
50
EE
1
is not
No
Midea CAC Confidential
Ensure the EEPROM is connected
Yes
properly
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