Daikin Super Multi Plus E-Series Service Manual page 409

SiEN18-622
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
"U9"has
YES
been displayed for 2
minutes or more.
NO
Turn on all indoor units.
The "UA"
display blinks on the
YES
remote controls of other
units within the same
refrigerant system.
NO
The "A1"
display blinks onthe
YES
remote controls of other
units within the
same refrigerant
system.
NO
The "A9"
display blinks on the
YES
remote controls of other
units within the
same refrigerant
system.
NO
The "U4"
display blinks on the
YES
remote controls of other
units within the
same refrigerant
system.
NO
Troubleshooting for Outdoor Unit
Re-diagnose by display after
passage of 2 minutes or more.
Refer to failure diagnosis for "UA"
malfunction code.
Refer to failure diagnosis for "A1"
malfunction code.
Refer to failure diagnosis for "A9"
malfunction code.
Refer to failure diagnosis for "U4"
malfunction code.
Refer to failure diagnosis for "U5"
malfunction code.
(V2826)
397