BGH BSBSIC24CTK Manual page 39

10.2 Outdoor unit malfunction
Display
E0
E2
E3
E4
E5
E6
P0
P1
P2
P3
P4
P5
P6
P7
1. E0 malfunction
Judge: Check whether the EEPROM is inserted well
Replace outdoor main board
35
EEPROM malfunction
Communication malfunction between indoor IC and outdoor IC
Communication malfunction in outdoor IC and DSP
Open or short circuit of T3 temperature sensor
Voltage protection of compressor
PFC module protection (Only for 30K, 36K with 1 phase)
Top temperature protection of compressor
High pressure protection
Low pressure protection
Current protection of compressor
Discharge temperature protection of compressor
High temperature protection of condenser
Module protection
High temperature protection of
E0 display
EEPROM malfunction
Yes
Malfunction or Protection
evaporator
No
Troubleshooting
Insert the EEPROM well