Ua" Communication Error Between Outdoor Unit And Indoor Unit - Daikin ERSQ 011AAV1 Service Manual

ESIE09-08
3.60 "UA " Communication Error between Outdoor Unit and
Indoor Unit
UA
Remote Control
UA
Display
UA
Applicable
AII indoor unit models
Models All outdoor unit models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
subcode 13
subcode 39
Excess of connected indoor units
Defect of outdoor unit PC board (A1P)
Mismatching of the type of indoor and outdoor unit.
Setting of outdoor PC board was not conducted after replacing to spare parts PC board.
Be sure to turn off power switch before connecting or disconnecting connector,
Caution
otherwise parts may be damaged.
Is the
outdoor PC board
replaced to spare parts
PC board?
NO
Push and hold the RESET
button on the outdoor unit
PC board for 5 seconds.
Does a
malfunction
occur?
YES
Does the type
of indoor and outdoor unit
match?
YES
Troubleshooting by Indication on the Remote Controller
YES
NO
NO
The outdoor PC board replaced is
wrong, check PC board type.
Normal
Matches the type of indoor and
outdoor unit.
Replace outdoor unit PC board
(A1P).
(V3169)
203