Transmission Abnormality (Between Indoor Unit Pcb And Fan Pcb) - Daikin VRV RXYMQ-A Series Service Manual

SiME332106E
5.13 Transmission Abnormality (between Indoor Unit PCB
and Fan PCB)
Applicable FXMQ-PB
Models
C1
Error Code
Method of Error Transmission conditions between the indoor unit control PCB (A1P) and fan PCB (A2P) are
Detection checked via microcomputer.
Error Decision
When normal transmission is not carried out for a certain duration.
Conditions
Supposed  Defective connection of the connector between indoor unit control PCB (A1P) and fan PCB
Causes
 Defective indoor unit control PCB (A1P)
 Defective fan PCB (A2P)
 External factor, such as instantaneous power failure
Part 6 Service Diagnosis
(A2P)
Troubleshooting by Error Code
179