SiBE37-701_B Troubleshooting by Indication on the Remote Controller
Troubleshooting 348
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Continue operation.
Continued from the previous page
YES
In Confirmation of malfunction 4,
LED lamp indicates as follows:
Start operation of all the indoor
units.
Check if all the units
indicate “
U9
”.
Check if more than 2
minutes passed since
“
U9
” was indicated.
YES
NO
NO
Make a diagnosis again based on
the indication in 2 minutes and
over.
The indoor units PCB indicating
“
U9
” are normal.
Check the indoor units in the other
circuits to diagnose failure
according to the corresponding
malfunction codes.
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