Daikin FDMQ09RVJU Installation Manual page 19

11-3 MALFUNCTION CODE
• For places where the malfunction code is written in white,
the " " indication is not displayed. Though the system
continues operating, be sure to inspect the system and make
repairs as necessary.
• Depending on the type of indoor or outdoor unit, the
malfunction code may or may not be displayed.
Malfunction
Descriptions and measures
code
Indoor Printed Circuit Board
A1
failure
A3 Drain level abnormal
High pressure control or
A5
freeze-up protector
Indoor fan motor overload,
over current, lock
A6
Indoor Printed Circuit Board
connection failure
Indoor unit power supply
A8
voltage abnormal
AJ Capacity setting failure
Transmission error between
indoor Printed Circuit Board
C1
(Master) and indoor Printed
Circuit Board (Slave)
Indoor heat exchanger
C4 liquid pipe temperature
sensor malfunction
Indoor heat exchanger
condenser / evaporator
C5
temperature sensor
malfunction
Suction air thermistor
C9
malfunction
Remote controller air
CJ
thermistor malfunction
English
Remarks
Capacity setting adapter
or capacity data error,
or disconnection of the
capacity setting adapter,
failure to connect the
adapter, or the capacity is
not set to the data-retention
IC.
Abnormal stop is applied
depending on the model or
condition.
Abnormal stop is applied
depending on the model or
condition.
Abnormal stop is applied
depending on the model or
condition.
Remote controller thermo
does not function, but
body thermo operation is
enabled.
Action of safety device
E0
(Outdoor unit)
Outdoor Printed Circuit
E1
Board failure (Outdoor unit)
Compressor motor lock
E5
malfunction (Outdoor unit)
Compressor motor lock by
E6
over current (Outdoor unit)
Outdoor fan motor lock
malfunction (Outdoor unit)
E7
Outdoor fan instant
overcurrent malfunction
(Outdoor unit)
Input overcurrent
E8
(Outdoor unit)
Cooling/heating switch
EA
malfunction (Outdoor unit)
Discharge piping
F3 temperature malfunction
(Outdoor unit)
High pressure control
F6
(in cooling) (Outdoor unit)
Operation halt due to
F8 compressor internal
temperature abnormality
Sensor fault for inverter
H0
(Outdoor unit)
Operation halt due to faulty
H6
position detection sensor
CT abnormality
H8
(Outdoor unit)
Outdoor air thermistor
H9 system malfunction
(Outdoor unit)
Discharge piping thermistor
J3 system malfunction
(Outdoor unit)
Outdoor heat exchanger
distributor liquid piping
J6
thermistor malfunction
(Outdoor unit)
Reactor thermistor
L3
malfunction (Outdoor unit)
Overheated heat-radiating
L4
fin (Outdoor unit)
Instantaneous overcurrent
L5
(Outdoor unit)
Abnormal stop is applied
depending on the model or
condition.
Abnormal stop is applied
depending on the model or
condition.
Abnormal stop is applied
depending on the model or
condition.
Inverter cooling failure.
The compressor engines
and turbines may be
experiencing a ground fault
or short circuit.
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