Daikin VRVII - Page 324

Troubleshooting by Indication on the Remote Controller
319
Troubleshooting
The "UA" display
blinks on the remote
controllers of other units
within the same
refrigerant
system.
The "
A1"
display blinks on the
remote controllers of
other units within the
same refrigerant
system.
YES
NO
Refer to failure
diagnosis for
"
UA" error code.
"
U9"
has been
displayed for 2
minutes or
more.
YES
NO
Re-diagnose by
display after
passage of 2
minutes or more.
YES
NO
Refer to failure
diagnosis for
"
A1" error code.
The "
A9"
display blinks on the
remote controllers of
other units within the
same refrigerant
system.
YES
NO
Refer to failure
diagnosis for
"
A9" error code.
Turn ON all indoor
units.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
A