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Troubleshooting for Outdoor Unit
SiBE18-821_C
416
Troubleshooting
Troubleshooting
Turn on all indoor units.
"
U9
" has
been displayed for 2
minutes or more?
Does
the "
UA
"
display blinks on
the remote controllers of
other units within the
same refrigerant
system?
Does
the "
A1
"
display blink on the
remote controllers of other
units within the same
refrigerant
system?
Does
the "
A9
"
display blink on the
remote controllers of other
units within the same
refrigerant
system?
Does
the "
U4
"
display blink 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 troubleshooting for
"
UA
" error code.
Refer to troubleshooting for
"
U5
" error code.
(R13049)
YES
NO
NO
YES
Refer to troubleshooting for
"
A1
" error code.
NO
YES
Refer to troubleshooting for
"
A9
" error code.
NO
YES
Refer to troubleshooting for
"
U4
" error code.
YES
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.