SiAF332111E
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
215