Daikin FBQ35D2VEB - Transmission Error (between Indoor Unit PCB and Adaptor PCB)

ESIE15-13B Troubleshooting by Remote Controller
Service Diagnosis 129
4.8 Transmission Error (between Indoor Unit PCB and
Adaptor PCB)
Remote
Controller
Display
C1
Applicable
Models
FCQG
Method of Error
Detection
Check the condition of transmission between indoor unit PCB (A1P) and adaptor PCB using
micro-computer.
Error Decision
Conditions
When normal transmission is not conducted for certain duration (15 seconds or more). After 60
seconds, error is display on the remote controller.
Supposed
Causes
 Connection defect of the connector indoor unit PCB (A1P) and adaptor PCB
 Defective indoor unit PCB (A1P)
 Defective adaptor PCB
 External factor (Noise, etc.)