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Troubleshooting for Outdoor Unit
SiBE121135
300
Service Diagnosis
7.3
Signal Transmission Error (on Outdoor Unit PCB)
Remote
Controller
Display
U7
Outdoor Unit LED
Display
A
j
1
h
2
i
3
i
4
i
5
h
Method of
Malfunction
Detection
Communication error between microcomputer mounted on the main PCB and PM1.
Malfunction
Decision
Conditions
The abnormality is determined when the data sent from the PM1 can not be received for 9
seconds.
The error counter is reset when the data from the PM1 can be successfully received.
Supposed
Causes
Defective outdoor unit PCB
Troubleshooting
(R7185)
Caution
NO
YES
Turn off the power and turn it on
again
.
Replace the outdoor unit
PCB.
The cause can be an
external factor other than
the malfunction.
Observe the operating
condition in long term.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Error again?
Содержание Super Multi NX 3MKS50E3V1B
Страница 187: ...SiBE121135 RA Indoor Unit Operation Manual 175 2 1 17 Quick Reference FTXG25 35 50JV1BW A Quick Reference...
Страница 188: ...RA Indoor Unit SiBE121135 176 Operation Manual FTXS20 25K2V1B CTXS15 35K2V1B Quick Reference...
Страница 189: ...SiBE121135 RA Indoor Unit Operation Manual 177 FVXG25 35 50K2V1B Quick Reference...
Страница 246: ...SA Indoor Unit SiBE121135 234 Operation Manual 2 Start 5s 5s 5s 5s 5s End...
Страница 413: ...SiBE121135 Outdoor Unit 80 90 Class Removal Procedure 401 7 Remove the sound blanket inner Step Procedure Points R10439...