Combination (Between Indoor Unit Pcb And Fan Pcb) - Daikin LRYEQ16AY1 Service Manual

SiBE811001EB

8.4.13 Combination (Between Indoor Unit PCB and Fan PCB)

C6
Error Code
Applicable FXMQ
Models
Method of Error Conduct open line detection with fan PCB (A2P) using indoor unit PCB (A1P).
Detection
Error Decision When the communication data of fan PCB (A2P) is determined as incorrect.
Conditions
Supposed
Causes
Troubleshooting
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
Was indoor unit PCB
(A1P) replaced with a
Was correct capacity
setting adaptor installed
when replacing it with a
CONVENI-PACK
Defective fan PCB (A2P)
Connection defect of capacity setting adaptor
Setting mistake on site
NO
(A2P) correct?
YES
NO
spare PCB?
YES
NO
spare PCB?
YES
Troubleshooting
Replace it with correct fan PCB
(A2P).
Install correct capacity setting
adaptor.
After establishing transmission
for indoor and outdoor, diagnose
the operation again.
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