Midea M-Thermal Series - Page 51

M‐ThermalSplit  
50 201909
MideaM‐ThermalSplitServiceManual
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

EE 


HydronicboxmainPCBEEPROM
1
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IC18onthemainPCBforhydronicbox(labeled32inFigure4‐2.1inPart4,2.2"MainPCBforHydronic
System"). 

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