Field Setting After Replacing Outdoor Unit Main Pcb Abnormality Or Combination Of Pcb Abnormality - Daikin RXQ12AHR Service Manual

SiAF341904E
5.46 Field Setting after Replacing Outdoor Unit Main PCB
Abnormality or Combination of PCB Abnormality
Applicable All outdoor unit models
Models
PJ
Error Code
Method of Error This error is detected according to communications with the inverter PCB.
Detection
Error Decision
Make judgement according to communication data on whether or not the type of the inverter
Conditions PCB is correct.
Supposed  Mismatching of type of PCB
 Improper (or no) field setting after replacing outdoor unit main PCB
Causes
Troubleshooting
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Check in Monitor Mode
For the models equipped with 2
compressors, check the
compressor M1C or M2C
applicable to the error code PJ
while in monitor mode of the
outdoor unit.
Does
the inverter PCB
( 1) part No. match that
of the spare parts
list?
YES
Does the
fan PCB ( 2) part
No. match that of the
spare parts
list?
YES
Has the
DIP switch setting
been made properly to
replace the outdoor unit
main PCB?
YES
NO
NO
NO
Troubleshooting by Error Code
Replace with a correct
inverter PCB. (#1)
#1
RXQ6-14A: A3P
RXQ16-20A: A3P, A6P
Replace with a correct fan
PCB. (#2)
#2
RXQ6-12A: A4P
RXQ14-20A: A4P, A7P
Properly make DIP switch
setting.
(After completion of setting,
reset the power supply.)
Replace the outdoor unit
main PCB (A1P).
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