Daikin E Series, Service Manual

Page: 408 / 453

SiAU18-715 Troubleshooting for Outdoor Unit
Troubleshooting 395
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Turn on all indoor units.
"U9" has
been displayed for 2
minutes or more.
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.
The "A9"
display blinks on
the remote controllers of
other units within the
same refrigerant
system.
The "U4"
display blinks on
the remote controllers of
other units within the
same refrigerant
system.
Re-diagnose by display
after passage of 2 minutes
or more.
Refer to failure diagnosis
for "UA" malfunction code.
Refer to failure diagnosis
for "U5" malfunction code.
(Q0581)
YES
NO
NO
YES
Refer to failure diagnosis
for "A1" malfunction code.
NO
YES
Refer to failure diagnosis
for "A9" malfunction code.
NO
YES
Refer to failure diagnosis
for "U4" malfunction code.
YES
NO