Fujitsu Airstage V series - Troubleshooting 80 - Error Contents: PCB Error

Error Contents :
PCB Error
Symptom :
Error Code display [ 03 ]
OPERATION LED is flashing.
Details :
Condition of occurrence : When EEPROM can not be written, or the control port does not operate.
Release condition : Power is reset.
4. Group Remote Controller (UTB-YDA / GDA)
Trouble shooting 80
Cause 1 : Remote Controller is defective.
Replace Group Remote Controller.
06-79