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42
English
Malfunction code
Contents
Solution
Main
code
Sub code
Master/sub 1
J7
01/02
Temperature sensor malfunction
(R3T)-A1P (X30A)
Check connection on printed circuit board or actuator.
06/07
Temperature sensor malfunction
(R7T)-A1P (X30A)
Check connection on printed circuit board or actuator.
18/19
Temperature sensor malfunction
(R16T)-A7P (X15A)
Check connection on printed circuit board or actuator.
J8
01/02
Temperature sensor malfunction
(R4T)-A1P (X30A)
Check connection on printed circuit board or actuator.
08/09
Temperature sensor malfunction
(R5T)-A1P (X30A)
Check connection on printed circuit board or actuator.
11/12
Temperature sensor malfunction
(R15T)-A7P (X15A)
Check connection on printed circuit board or actuator.
J9
01/02
Temperature sensor malfunction
(R6T)-A1P (X30A)
Check connection on printed circuit board or actuator.
11/12
Temperature sensor malfunction
(R13T)-A7P (X17A)
Check connection on printed circuit board or actuator.
JA
06/08
High pressure sensor malfunction: open circuit
(S1NPH)-A1P (X32A)
Check connection on printed circuit board or actuator.
07/09
High pressure sensor malfunction: short circuit
(S1NPH)-A1P (X32A)
Check connection on printed circuit board or actuator.
JC
06/08
Low pressure sensor malfunction: open circuit
(S1NPL)-A1P (X31A)
Check connection on printed circuit board or actuator.
07/09
Low pressure sensor malfunction: short circuit
(S1NPL)-A1P (X31A)
Check connection on printed circuit board or actuator.
LC
14/15
Transmission trouble.
208/230, 460V: A3P (X6A)-A1P (X28A)
575V: A4P (X6A)-A1P (X28A)
Check connection.
19/20
Transmission trouble.
208/230, 460V: A5P (X3A)-A3P (X41A)
575V: A5P (X3A)-A4P (X41A)
Check connection.
24/25
Transmission trouble.
208/230, 460V: A5P (X4A)-A4P (X3A)
575V: A5P (X4A)-A6P (X3A)
Check connection.
33/34
Transmission trouble.
A7P (X2A)-A1P (X20A)
Check connection.
P1
01/02
Unbalanced power supply voltage.
Check if power supply is within the range.
U1
01/05
04/06
No power supplied to outdoor unit or indoor unit
(Including open phase).
Check if the power supply wiring for the outdoor unit
or indoor unit is correctly connected, and correct if
necessary.
U2
01/08
Voltage power shortage or open power supply phase.
•
Check if power supply is within the range.
•
Correct phase order.
02/09
Reversed or open power supply phase.
•
Check if power supply is within the range.
•
Correct phase order.
U3
03
System test run not yet executed (system operation
not possible).
Execute system test run.
04
An error occurred during the test run.
Check the piping and re-execute the test run.
05
Test run aborted.
Re-execute the test run.
06
07
Test run aborted due to communication issues.
Check the communication wires and re-execute the
test run.
08
U4
01
Faulty wiring to Q1/Q2 or indoor- outdoor.
Connect transmission wiring of indoor units to “TO
IN/D UNIT (F1, F2)” and transmission wiring of other
outdoor units to “TO OUT/D UNIT (F1, F2)”.
03
Malfunction of connected indoor unit.
Check the malfunction code of indoor unit and resolve it.
01_EN_3P477778-3C.indb 42
2/8/2018 14:31:41
Содержание VRV Aurora RXLQ72TATJU
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