Troubleshooting by Remote Controller Si20-701_B
123
3.18
C6
Defective Combination
(between Indoor Unit PCB and
Fan PCB)
Remote Controller Display
C6
Applicable Models
FBQ, FMDQ-B7
Method of Error Detection
Conduct open line detection with fan PCB using indoor
unit PCB.
Error Decision Conditions
When the communication data of fan PCB is determined
as incorrect.
Supposed Causes
îš„ Defective fan PCB
îš„ Defective connection of capacity setting adaptor
îš„ Setting mistake on site