Troubleshooting by Error Code SiAF332111E
292 Part 6 Service Diagnosis
5.54 Field Setting after Replacing Outdoor Unit Main PCB
Abnormality or Combination of PCB Abnormality
Applicable
Models
RXMQ6/8AR
Error Code PJ
Method of Error
Detection
This error is detected according to communications with the outdoor unit main PCB
(RXMQ6AR) or inverter PCB (RXMQ8AR).
Error Decision
Conditions
Make judgment according to communication data on whether or not the type of the outdoor unit
main PCB (RXMQ6AR) or inverter PCB (RXMQ8AR) is correct.
Supposed
Causes
Mismatching of type of PCB
Improper (or no) field setting after replacing outdoor unit main PCB
Troubleshooting RXMQ6AR
RXMQ8AR
Has the
DIP switch setting
been made properly to
replace the outdoor unit
main PCB?
YES
NO
YES
NO
Replace with a correct
outdoor unit main PCB
(A1P).
Properly make DIP switch
setting.
(After completion of setting,
reset the power supply.)
Replace the outdoor unit
main PCB (A1P).
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Does the
outdoor unit main PCB
part No. match that of the
spare parts list?
Has the
DIP switch setting
been made properly to
replace the outdoor unit
main PCB?
YES
YES
NO
NO
YES
NO
Replace with a correct
inverter PCB (A3P).
Replace with a correct fan
PCB (A4P).
Properly make DIP switch
setting.
(After completion of setting,
reset the power supply.)
Replace the outdoor unit
main PCB (A1P).
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Does the
inverter PCB part
No. match that of the
spare parts list?
Does the fan
PCB part No. match that
of the spare parts list?
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