SiUS121736EA
Troubleshooting for RA Indoor Unit
Service Diagnosis
162
5.7
Mismatching of Indoor Unit and Outdoor Unit
Error Code
UA
Method of Error
Detection
The supply power is detected for its requirements (pair type is different from multi type) by the
indoor/outdoor transmission signal.
Error Decision
Conditions
The pair type and multi type are interconnected.
Supposed
Causes
Wrong models interconnected
Wrong wiring of connecting wires
Wrong indoor unit PCB or outdoor unit PCB mounted
Defective indoor unit PCB
Defective outdoor unit PCB
Troubleshooting
(R23001)
Caution
NO
YES
YES
NO
Match the compatible models.
OK?
Correct the connection.
Check the part numbers of the
indoor and outdoor unit PCB
with the Parts List.
If not matched, change for the
correct PCB.
Are the
connecting wires connected
properly?
Check the
combination of the
indoor
and outdoor unit.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание 4MXS-R Series
Страница 7: ...SiUS121736EA Table of Contents vi 3 Operation Limit 267...
Страница 23: ...SiUS121736EA Specifications 10 Part 2 Specifications 1 RA Indoor Unit 11 2 SA Indoor Unit 19 3 Outdoor Unit 22...
Страница 133: ...SiUS121736EA Wired Remote Controller BRC944B2 Remote Controller 120 6 Wired Remote Controller BRC944B2...