SiBE811001EB
Troubleshooting
CONVENI-PACK
184
8.4.13 Combination (Between Indoor Unit PCB and Fan PCB)
Error Code
C6
Applicable
Models
FXMQ
Method of Error
Detection
Conduct open line detection with fan PCB (A2P) using indoor unit PCB (A1P).
Error Decision
Conditions
When the communication data of fan PCB (A2P) is determined as incorrect.
Supposed
Causes
Defective fan PCB (A2P)
Connection defect of capacity setting adaptor
Setting mistake on site
Troubleshooting
Replace it with correct fan PCB
(A2P).
NO
Install correct capacity setting
adaptor.
NO
NO
After establishing transmission
for indoor and outdoor, diagnose
the operation again.
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
Is the type of fan PCB
(A2P) correct?
Was indoor unit PCB
(A1P) replaced with a
spare PCB?
YES
YES
Was correct capacity
setting adaptor installed
when replacing it with a
spare PCB?