Daikin VRV IV RXYQ TTJU Series, Engineering Data

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Installation Manual EDUS341411-N
50 Installation of Outdoor Units
3P362438-1B
40 3P362438-1B English
Malfunction code
Contents Solution
Main
code Sub code
Master/sub 1/sub 2
J3 16/22/28 Discharge temperature sensor malfunction (R21T):
open circuit – A1P (X29A) Check connection on printed circuit board or actuator.
17/23/29 Discharge temperature sensor malfunction (R21T):
short circuit – A1P (X29A) Check connection on printed circuit board or actuator.
18/24/30 Discharge temperature sensor malfunction (R22T):
open circuit – A1P (X29A) Check connection on printed circuit board or actuator.
19/25/31 Discharge temperature sensor malfunction (R22T):
short circuit – A1P (X29A) Check connection on printed circuit board or actuator.
47/49/51 Compressor casing temperature sensor malfunction
(R8T): open circuit – A1P (X29A) Check connection on printed circuit board or actuator.
48/50/52 Compressor casing temperature sensor malfunction
(R8T): short circuit – A1P (X29A) Check connection on printed circuit board or actuator.
J5 01/03/05 Suction temperature sensor malfunction (R3T) – A1P
(X30A) Check connection on printed circuit board or actuator.
J6 01/02/03 De-icing temperature sensor malfunction (R7T) – A1P
(X30A) Check connection on printed circuit board or actuator.
J7 06/07/08
.KSWKFVGORGTCVWTGUGPUQTCHVGTUWDEQQN*'OCNHWPE
-
tion (R5T) – A1P (X30A)
Check connection on printed circuit board or actuator.
J8 01/02/03 Liquid temperature sensor (coil) malfunction (R4T) –
A1P (X30A) Check connection on printed circuit board or actuator.
J9 01/02/03
)CUVGORGTCVWTGUGPUQTCHVGTUWDEQQN*'OCNHWPE
-
tion (R6T) – A1P (X30A)
Check connection on printed circuit board or actuator.
JA 06/08/10 High pressure sensor malfunction (S1NPH): open
circuit – A1P (X32A) Check connection on printed circuit board or actuator.
07/09/11 High pressure sensor malfunction (S1NPH): short
circuit – A1P (X32A) Check connection on printed circuit board or actuator.
JC
06/08/10 Low pressure sensor malfunction (S1NPL): open
circuit – A1P (X31A) Check connection on printed circuit board or actuator.
07/09/11 Low pressure sensor malfunction (S1NPL): short
circuit – A1P (X31A) Check connection on printed circuit board or actuator.
LC
14/15/16 Transmission outdoor unit
- inverter: A3P transmission trouble – A1P (X20A,
X28A)
r Check connection.
r Correct phase order.
19/20/21 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
r
Check connection.
24/25/26 Transmission outdoor unit
- inverter: A4P transmission trouble – inverter: A5P
(X4A): RXYQ96/120
- inverter: A4P transmission trouble – inverter: A7P
(X4A): RXYQ144/168
r Check connection.
30/31/32 Transmission outdoor unit
- inverter: A6P transmission trouble – inverter: A3P
(X41A, X61A): RXYQ144/168
r Check connection.
r
Correct phase order.
P1
01/02/03 INV1 unbalanced power supply voltage Check if power supply is within range.
07/08/09 INV2 unbalanced power supply voltage Check if power supply is within range.
U1
01/05/07 r Reversed power supply phase
r #224+06'&%+4%7+6$1#4&12'0
2*#5'2416'%6+10OCNHWPEVKQPs#2:#
RXYQ96/120TYDN
r Correct phase order.
r Check connection.
r Check fuse.
04/06/08 Reversed power supply phase Correct phase order.