Daikin RXYQ6BRY16 Installation Manual page 59

Below table gives an overview of the malfunction codes which may appear.
Malfunction code
Sub code
Main
code
Master Sub 1 Sub 2
01 03 05
e3
02 04 06
13 14 15
20 21 22
01 02 03
e4
01 05 08
e9
03 06 09
04 07 10
11 12 13
26 27 28
29 34 39
01 03 05
f3
11 13 15
20 21 22
25 26 27
02
f6
01 02 03
h1
01 02 03
h9
16 22 28
j3
17 23 29
18 24 30
19 25 31
47 49 51
48 50 52
38 42 44
39 43 45
*1: T o 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: RXYQ6~12BRY16 type
*3: Other types except RXYQ6~12BRY16 type
01_EN_3P748230-1.indd 57
Contents
High pressure switch is activated.
•
(S1PH)-A1P (X2A)
High pressure switch connectors are detached.
•
-A1P (X2A, X3A, X4A)
Stop valves are closed.
•
Refrigerant overcharge.
•
Liquid pipe stop valve is closed.
High pressure switch is activated.
•
(S2PH)-A1P (X3A)
High pressure switch connectors are detached.
•
-A1P (X2A, X3A, X4A)
Low pressure malfunction:
Stop valves are closed.
•
Refrigerant shortage.
•
Indoor unit malfunction.
•
Electronic expansion valve malfunction
(Y1E)-A1P (X21A)
Electronic expansion valve malfunction
(Y2E)-A1P (X22A)
Electronic expansion valve malfunction
(Y3E)-A1P (X23A)
Electronic expansion valve malfunction
(Y6E)-A8P(X8A)
Electronic expansion valve malfunction
(Y4E)-A1P (X25A)
Electronic expansion valve malfunction
(Y5E)-A1P(X26A)
Discharge temperature too high (R13T/R15T):
Stop valves are closed.
•
Refrigerant shortage.
•
Compressor casing temperature too high (R14T/R16T):
Stop valves are closed.
•
Refrigerant shortage.
•
Stop valves are closed.
•
Refrigerant overcharge.
•
Temperature sensor malfunction (R17T)-A1P(X46A)
Temperature sensor malfunction (R1T)-A1P (X18A)
Temperature sensor malfunction
(R13T)-A1P(X19A)*3 or (R15T)-A1P(X33A)*2
Temperature sensor malfunction
(R15T)-A1P(X33A)
Temperature sensor malfunction
(R14T)-A1P(X19A)*3 or (R16T)-A1P(X33A)*2
Temperature sensor malfunction
(R16T)-A1P(X33A)
Solution
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
electrical component box cover.
Open stop valves.
•
Check refrigerant amount and recharge.
•
Open liquid pipe stop valve.
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.
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.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Open stop valves.
•
Check refrigerant amount and recharge.
•
Open stop valves.
•
Check refrigerant amount and recharge.
•
Open stop valves.
•
Check refrigerant amount and recharge.*1
•
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
Check connection on printed circuit board or actuator.
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23/01/2023 17:24:47