45
English
Error code
Contents
Solution
Main
code
Sub code
Master/sub 1
E3
01/03
• High pressure switch is activated.
(S1PH) -A1P (X2A)
• High pressure switch connectors are detached.
-A1P (X2A, X3A, X4A)
• Check stop valves situation or abnormalities in
(field) piping or airflow over air cooled coil.
• Securely connect each connector. Refer to the wiring
diagram attached to the back of the control box cover.
02/04
• Stop valves are closed.
• Refrigerant overcharge.
• Open stop valves.
• Check refrigerant amount and recharge.
13/14
Liquid pipe stop valve is closed.
Open liquid pipe stop valve.
20/21
• High pressure switch is activated.
(S2PH) -A1P (X3A)
• High pressure switch connectors are detached.
-A1P (X2A, X3A, X4A)
• Check stop valves situation or abnormalities in
(field) piping or airflow over air cooled coil.
• Securely connect each connector. Refer to the wiring
diagram attached to the back of the control box cover.
E4
01/02
Low pressure malfunction:
• Stop valves are closed.
• Refrigerant shortage.
• Indoor unit malfunction
• Open stop valves.
• Check refrigerant amount and recharge.
• Check the user interface’s display or transmission
wiring between the outdoor unit and the indoor unit.
E9
01/05
Electronic expansion valve malfunction
(Y1E)-A1P (X21A)
Check connection on printed circuit board or actuator.
03/06
Electronic expansion valve malfunction
(Y2E)-A1P (X22A)
Check connection on printed circuit board or actuator.
04/07
Electronic expansion valve malfunction
(Y3E)-A1P (X23A)
Check connection on printed circuit board or actuator.
11/12
Electronic expansion valve malfunction
(Y6E)-A8P(X8A)
Check connection on printed circuit board or actuator.
26/27
Electronic expansion valve malfunction
(Y4E)-A1P (X25A)
Check connection on printed circuit board or actuator.
29/34
Electronic expansion valve malfunction
(Y5E)-A1P(X26A)
Check connection on printed circuit board or actuator.
F3
01/03
11/13
Discharge temperature too high (R13T, R15T):
• Stop valves are closed.
• Refrigerant shortage.
• Open stop valves.
• Check refrigerant amount and recharge.
20/21
25/26
Compressor casing temperature too high (R14T, T16T):
• Stop valves are closed.
• Refrigerant shortage.
• Open stop valves.
• Check refrigerant amount and recharge.
F6
02
• Stop valves are closed.
• Refrigerant overcharge.
• Open stop valves.
• Check refrigerant amount and recharge.*1
H1
01/02
Temperature sensor malfunction
(R17T)-A1P(X46A)
Check connection on printed circuit board or actuator.
H9
01/02
Temperature sensor malfunction
(R1T)-A1P (X18A)
Check connection on printed circuit board or actuator.
J3
16/22
17/23
Temperature sensor malfunction
(R13T)-A1P(X19A)*3 or (R15T)-A1P(X33A)*2
Check connection on printed circuit board or actuator.
18/24
19/25
Temperature sensor malfunction
(R15T)-A1P(X33A)
Check connection on printed circuit board or actuator.
47/49
48/50
Temperature sensor malfunction
(R14T)-A1P(X19A)*3 or (R16T)-A1P(X33A)*2
Check connection on printed circuit board or actuator.
38/42
39/43
Temperature sensor malfunction
(R16T)-A1P(X33A)
Check connection on printed circuit board or actuator.
*1: To check while reducing the amount of refrigerant, reduce the amount by 5 kg for single system and 8 kg for multi system, and perform the
check operation again.
*2: RXYQ72A type
*3: Other types except RXYQ72A type
01_EN_Main_VRV6_HP_IM.indd 45
01_EN_Main_VRV6_HP_IM.indd 45
2022/12/08 17:56:21
2022/12/08 17:56:21
