42
3P477778-7G
English
Malfunction code
Contents
Solution
Main
code
Sub code
Master/sub 1
J6
01/02
Temperature sensor malfunction
(R11T)-A7P (X15A)
Check connection on printed circuit board or actuator.
08/09
Temperature sensor malfunction
(R8T)-A1P (X29A)
Check connection on printed circuit board or actuator.
11/12
Temperature sensor malfunction
(R9T)-A1P (X29A)
Check connection on printed circuit board or actuator.
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.
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.
A4P (X6A)-A1P (X25A)
Check connection.
19/20
Transmission trouble.
A5P (X3A)-A4P (X41A)
Check connection.
24/25
Transmission trouble.
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.
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 Branch Selector units
and indoor units to “TO IN/D UNIT (F1, F2)” and trans
-
mission 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_3P477778-7G.indb 42
1/15/2019 10:58:32
