Daikin VRV X RXQ6-48ANR Series, Руководство по обслуживанию

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SiME341909EA Troubleshooting by Error Code
Part 6 Service Diagnosis 157
U1 - 16 Open phase for power supply (Master)
Refer to the U1 flowchart and make a diagnosis based
on the Error code shown to the left.
U1 - 17 Open phase for power supply (Slave 1)
U1 - 18 Open phase for power supply (Slave 2)
U1 - 19 Hz error for power supply (Master)
U1 - 20 Hz error for power supply (Slave 1)
U1 - 21 Hz error for power supply (Slave 2)
U2 - 01 Shortage of inverter power supply voltage (Master)
Refer to the U2 flowchart and make a diagnosis based
on the Error code shown to the left.
U2 - 08 Shortage of inverter power supply voltage (Slave 1)
U2 - 11 Shortage of inverter power supply voltage (Slave 2)
U2 - 22 Shortage of inverter 2 power supply voltage (Master)
U2 - 25 Shortage of inverter 2 power supply voltage (Slave 1)
U2 - 28 Shortage of inverter 2 power supply voltage (Slave 2)
U3 - 02
Initial installation alarm / Test operation failed due to
indoor unit error
Refer to the U3 flowchart and make a diagnosis based
on the Error code shown to the left.
U3 - 03 Test operation not conducted
U3 - 04 Abnormal end of test operation
U3 - 05
Premature end of test operation during initial
transmission error – check indoor unit error U4 / U9
U3 - 06
Premature end of test operation during normal
transmission error
U3 - 07
Premature end of test operation due to transmission
error
U3 - 08
Premature end of test operation due to transmission
error of all units
U3 - 10
System refrigerant auto charge operation not yet
executed
U4 - 01
Transmission error between indoor unit and outdoor
unit
Refer to the U4 flowchart and make a diagnosis based
on the Error code shown to the left.
U4 - 03
Transmission error between indoor unit and system:
check indoor unit error
U7 - 01
Error when external control adaptor for outdoor unit is
installed
Refer to the U7 flowchart and make a diagnosis based
on the Error code shown to the left.
U7 - 02
Alarm when external control adaptor for outdoor unit is
installed
U7 - 03 Transmission error between master and slave 1 units
U7 - 04 Transmission error between master and slave 2 units
U7 - 05 Multi system error
U7 - 06 Error in address settings of slave 1 and 2
U7 - 07
Connection of four or more outdoor units in the same
system
U7 - 11
Error in indoor unit connection capacity for test
operation
U9 - 01
Other indoor units and outdoor unit abnormality Refer to the U9 flowchart and make a diagnosis based
on the Error code shown to the left.
UA - 00
TSS plus unit field settings error, CT
address duplication warning
Refer to the UA flowchart and make a diagnosis based
on the Error code shown to the left.
UA - 03 Connection of excessive indoor units
UA - 17 Connection of excess indoor units
UA - 18 Connection of incorrect models of indoor units
UA - 20 Improper combination of outdoor units
UA - 21 Wrong connection
UA - 31 Multi system combination error
UF - 01 Wrong wiring check error
Refer to the UF flowchart and make a diagnosis based
on the Error code shown to the left.
UF - 05 Defective stop valve for test operation
UH - 01 Wiring error Refer to the UH flowchart.
Error code
Troubleshooting
Description of error Diagnosis