Troubleshooting by Remote Controller
C1
3.15
(between Indoor Unit PCB and
Fan PCB)
Remote Controller Display
C1
Applicable Models
FBQ, FMDQ
Method of Error Detection
Check the condition of transmission between indoor unit
PCB and fan PCB using computer.
Error Decision Conditions
When normal transmission is not conducted for certain
duration.
Supposed Causes
Connection defect of the connecter between indoor
unit PCB and fan PCB
Defective indoor unit PCB
Defective fan PCB
External factor, such as instantaneous blackout
Transmission Error
Si20-701_B
115