Combination Error Between Indoor Unit Pcb And Fan Pcb - Daikin SkyAir RZR-P Series Service Manual

SiUS281117
2.18 Combination Error between Indoor Unit PCB and Fan
PCB
C6
Remote
Controller
Display
Applicable FBQ
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 is determined as incorrect.
Conditions
 Defective fan PCB
Supposed
 Defective connection of capacity setting adaptor.
Causes
 Defective field setting
Troubleshooting
NO
1. Type of fan PCB
Note:
FBQ18/24/30
FBQ36/42
126
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Is
the type of
NO
fan PCB (A2P) correct?
(∗1)
YES
Was indoor unit
PCB (A1P) replaced with
a spare PCB?
YES
Was
correct capacity
setting adaptor installed NO
when replacing it with
a spare PCB?
YES
Applicable model
Troubleshooting by Remote Controller
Type of fan PCB
PC0609-2
PC0609-3
Replace it with correct fan
PCB (A2P).
Install correct capacity
setting adaptor.
After establishing
transmission for indoor and
outdoor, diagnose the
operation again.
Service Diagnosis