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Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
The indoor unit PCB indicated by
the error code
U9
is normal.
Check for the indoor unit of other
system, and then conduct
troubleshooting by diagnosis
according to the Error Code
Flowchart.
Re-diagnose by display after
passage of 2 minutes or more.
Continue the operation.
NO
U9
has been
displayed for 2 minutes
or more.
NO
All the units are
indicating
U9
.
Turn ON all indoor units.
YES
YES
Содержание SkyAir RZQ-TA Series
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