Siau18 - Daikin E-Series Service Manual

SiAU18-715

Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
"U9" has
been displayed for 2
minutes or more.
NO
Turn on all indoor units.
The "UA"
display blinks on
the remote controllers of
other units within the
same refrigerant
system.
NO
The "A1"
display blinks on
the remote controllers of
other units within the
same refrigerant
system.
NO
The "A9"
display blinks on
the remote controllers of
other units within the
same refrigerant
system.
NO
The "U4"
display blinks on
the remote controllers of
other units within the
same refrigerant
system.
NO
YES
YES
YES
YES
YES
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.
(Q0581)
395