Transmission Error (Between Indoor Unit Pcb And Adaptor Pcb) - Daikin ZQG71~140L7V1B Service Manual

ESIE12-06
4.8 Transmission Error (between Indoor Unit PCB and
Adaptor PCB)
C1
Remote
Controller
Display
Applicable
FCQG
Models
Method of Error
Check the condition of transmission between indoor unit PCB (A1P) and adaptor PCB (A2P)
Detection using micro-computer.
Error Decision
When normal transmission is not conducted for certain duration (15 seconds or more). After 60
Conditions seconds, error is display on the remote controller.
Supposed  Connection defect of the connector indoor unit PCB (A1P) and adaptor PCB (A2P)
Causes  Defective indoor unit PCB (A1P)
 Defective adaptor PCB (A2P)
 External factor (Noise, etc.)
Service Diagnosis
Troubleshooting by Remote Controller
141