Sinclair SCV-EB Series Service Manual page 53

5.9 EE Troubleshooting
5.9.1 Digital display output
5.9.2 Description
 Hydronic system EEPROM error.
 Heat pump stops running.
 Error code is displayed on the refrigerant system PCB digital tube and user interface.
5.9.3 Procedure
Hydronic system EEPROM
connected properly
Replace hydro system PCB
Notes:
1. Hydro system PCB EEPROM is designated IC18 on the hydro system PCB (labeled 29 in Figure 4-2.1 in Part 4, 2.2 "Main PCB for Hydronic System").
EE
1
is not
No
Ensure the EEPROM is connected
Yes
properly
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