Daikin Aurora Series Service Manual page 179

SiUS341802E
Error code
Transmission error between indoor and outdoor
U4 - 01
units
Transmission error between indoor unit and
U4 - 03
system
Error when external control adaptor for outdoor
U7 - 01
unit is installed
Warning when external control adaptor for
U7 - 02
outdoor unit is installed
Transmission error between master and slave 1
U7 - 03
units
Transmission error between master and slave 2
U7 - 04
units
U7 - 05 Multi system error
U7 - 06 Error in address settings of slave 1 and 2
Connection of four or more outdoor units in the
U7 - 07
same system
Error in indoor unit connection capacity for test
U7 - 11
operation
U9 - 01 Other indoor units abnormality
Incorrect electric heater capacity setting
(FXTQ-TA)
UA - 17
Connection of excessive indoor units
UA - 18 Connection of wrong models of indoor units
UA - 20 Improper combination of outdoor units
UA - 21 Connection error
UA - 29 Branch selector unit connected
UA - 35 Multi-unit combination error
UF - 01 Wrong wiring check error
UF - 05 Defective stop valve for test operation
UH - 01 Wiring error
Service Diagnosis
Description of error
Troubleshooting
Description of diagnosis
Refer to the U4 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the U7 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the U9 flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to page 276.
Refer to the UA flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the UF flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Refer to the UH flowchart of each manual and make a diagnosis
of the relevant unit based on the Error code shown to the left.
Symptom-based Troubleshooting
166