Daikin VRV IV RXYQ TYDN Series Engineering Data page 49

Installation Manual
Malfunction code
Main Sub code
code Master/sub 1/sub 2
J3 16/22/28
17/23/29
18/24/30
19/25/31
47/49/51
48/50/52
J5 01/03/05
01/02/03
J6
J7 06/07/08
J8 01/02/03
01/02/03
J9
JA 06/08/10
07/09/11
06/08/10
JC
07/09/11
LC 14/15/16
19/20/21
24/25/26
30/31/32
P1 01/02/03
07/08/09
U1 01/05/07
04/06/08
3P362438-1B English
50
Contents
Discharge temperature sensor malfunction (R21T):
open circuit – A1P (X29A)
Discharge temperature sensor malfunction (R21T):
short circuit – A1P (X29A)
Discharge temperature sensor malfunction (R22T):
open circuit – A1P (X29A)
Discharge temperature sensor malfunction (R22T):
short circuit – A1P (X29A)
Compressor casing temperature sensor malfunction
(R8T): open circuit – A1P (X29A)
Compressor casing temperature sensor malfunction
(R8T): short circuit – A1P (X29A)
Suction temperature sensor malfunction (R3T) – A1P
(X30A)
De-icing temperature sensor malfunction (R7T) – A1P
(X30A)
tion (R5T) – A1P (X30A)
Liquid temperature sensor (coil) malfunction (R4T) –
A1P (X30A)
tion (R6T) – A1P (X30A)
High pressure sensor malfunction (S1NPH): open
circuit – A1P (X32A)
High pressure sensor malfunction (S1NPH): short
circuit – A1P (X32A)
Low pressure sensor malfunction (S1NPL): open
circuit – A1P (X31A)
Low pressure sensor malfunction (S1NPL): short
circuit – A1P (X31A)
Transmission outdoor unit
- inverter: A3P transmission trouble – A1P (X20A,
X28A)
Transmission outdoor unit
- inverter: A4P transmission trouble – inverter: A3P
(X41A): RXYQ72
- inverter: A5P transmission trouble – inverter: A3P
(X41A): RXYQ96/120
- inverter: A7P transmission trouble – inverter: A6P
(X41A): RXYQ144/168
Transmission outdoor unit
- inverter: A4P transmission trouble – inverter: A5P
(X4A): RXYQ96/120
- inverter: A4P transmission trouble – inverter: A7P
(X4A): RXYQ144/168
Transmission outdoor unit
- inverter: A6P transmission trouble – inverter: A3P
(X41A, X61A): RXYQ144/168
INV1 unbalanced power supply voltage
INV2 unbalanced power supply voltage
Reversed power supply phase
RXYQ96/120TYDN
Reversed power supply phase
Solution
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.
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.
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.
Correct phase order.
Check connection.
Check connection.
Check connection.
Correct phase order.
Check if power supply is within range.
Check if power supply is within range.
Correct phase order.
Check connection.
Check fuse.
Correct phase order.
Installation of Outdoor Units
EDUS341411-N
40
3P362438-1B