65
TROUBLESHOOTING
EE
Description
Unit main PCB EEPROM error.
The unit shuts down.
The error code is displayed on the main PCB and user interface.
Possible causes
The main PCB EEPROM is not connected properly.
Main PCB is damaged.
Procedure
EE
↓
The main PCB EEPROM
is not connected properly
(1)
YES →
Ensure the EEPROM is connected properly
NO
↓
Replace main PCB
1 Hydronic system main PCB EEPROM is assigned on hydronic system main PCB.