Daikin VRVIII-S, Service Manual

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Troubleshooting by Indication on the remote control SiENBE34-703
174 Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(V2826)
Caution
The "U4"
display blinks on
the remote controls of
other units within the
same refrigerant
system.
Refer to failure diagnosis for "U5"
malfunction code.
Re-diagnose by display after
passage of 2 minutes or more.
Refer to failure diagnosis for "U4"
malfunction code.
"U9" has been displayed for 2
minutes or more.
Turn on all indoor units.
Refer to failure diagnosis for "A1"
malfunction code.
The "A1" display blinks
on the remote controls
of other units within the
same refrigerant
system.
Refer to failure diagnosis for "UA"
malfunction code.
The "UA" display blinks on the
remote controls of other units
within the same refrigerant
system.
Refer to failure diagnosis for "A9"
malfunction code.
The "A9" display
blinks on the remote
controls of other units
within the same
refrigerant system.
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO