Malfunction Codes - Daikin RXYQ6BRY16 Installation Manual

Moving and discarding the unit
• Contact your dealer for removing and
reinstalling the total unit. Moving units requires
technical expertise.
• This unit uses hydrofluorocarbon. Contact your
dealer when discarding this unit. It is required by
law to collect, transport and discard the
refrigerant in accordance with the
"hydrofluorocanbon collection and destruction"
regulations.

11.4 Malfunction codes

In case a malfunction code appears on the indoor
unit user interface display, contact your dealer and
inform the malfunction code, the unit type,
and serial number (you can find this information
on the nameplate of the unit).
For your reference, a list with malfunction codes is
provided. You can, depending on the level of the
malfunction code, reset the code by pushing the
ON/OFF button. If not, ask your dealer for advice.
Malfunction
code
Main code
External protection device was activated
A0
EEPROM failure (indoor)
A1
Drain system malfunction (indoor)
A3
Fan motor malfunction (indoor)
A6
Swing flap motor malfunction (indoor)
A7
Expansion valve malfunction (indoor)
A9
Drain malfunction (indoor unit)
AF
Filter dust chamber malfunction (indoor)
Ah
Capacity setting malfunction (indoor)
AJ
Transmission malfunction between
C1
main PCB and sub PCB (indoor)
Heat exchanger thermistor malfunction
C4
(indoor; liquid)
Heat exchanger thermistor malfunction
C5
(indoor; gas)
Suction air thermistor malfunction (indoor)
C9
Discharge air thermistor malfunction (indoor)
CA
Movement detector or floor temperature sensor
CE
malfunction (indoor)
User interface thermistor malfunction (indoor)
CJ
PCB malfunction (outdoor)
e1
Current leakage detector was activated (outdoor)
e2
High pressure switch was activated
e3
Low pressure malfunction (outdoor)
e4
Compressor lock detection (outdoor)
e5
Compressor damage error/alarm
e6
Fan motor malfunction (outdoor)
e7
Electronic expansion valve malfunction (outdoor)
e9
Solenoid valve malfunction (outdoor)
eA
Discharge temperature malfunction (outdoor)
F3
Abnormal suction temperature (outdoor)
f4
Refrigerant overcharge detection
f6
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Contents
Malfunction
code
Main code
Internal temperature sensor of Electrical component
H1
box malfunction (outdoor)
High pressure switch malfunction
H3
Fan motor trouble (outdoor)
H7
Ambient temperature sensor malfunction (outdoor)
H9
Discharge temperature sensor malfunction (outdoor)
J3
Suction temperature sensor malfunction (outdoor)
J5
De-icing temperature sensor malfunction (outdoor)
J6
Liquid temperature sensor (after subcool HE)
J7
malfunction (outdoor)
Liquid temperature sensor (coil) malfunction
J8
(outdoor)
Gas temperature sensor (after subcool HE)
J9
malfunction (outdoor)
High pressure sensor malfunction (S1NPH)
JA
Low pressure sensor malfunction (S1NPL)
JC
INV PCB abnormal
L1
Fin temperature abnormal
L4
Inverter PCB faulty
L5
Compressor over current detected
L8
Compressor lock (startup)
L9
Transmission outdoor unit - inverter: INV transmission
Lc
trouble
INV unbalanced power supply voltage
P1
Fin thermistor malfunction
P4
INV PCB board type mismatch
pj
Abnormal low pressure drop, faulty expansion valve
u0
INV voltage power shortage
u2
System test run not yet executed
u3
Faulty wiring indoor/outdoor
u4
Abnormal user interface - indoor communication
u5
Faulty wiring to Q1/Q2
u7
Abnormal main-sub user interface communication
u8
Other indoor unit abnormality
u9
Connection malfunction over indoor units or type
ua
mismatch
Centralized address duplication
uc
Malfunction in communication centralized control
ue
device - indoor unit
Wrong wiring check or stop valve is closed (test run)
uf
System wiring failure
uh
Contents
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