Daikin FDMA125AV16 Installation Manual page 18

11-2 MALFUNCTION CODE
• For places where the malfunction code is left blank,
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.
Malfunc-
Descriptions and measures
lion code
Indoor Printed Circuit Board
A1
failure
Drain level abnormal
A3
Indoor fan motor overload,
over current, lock
A6
Indoor Printed Circuit Board
connection failure
Indoor unit power supply
AB
voltage abnormal
Humidifier system
malfunction
Air cleaner faulty
Only the air cleaner does
not function.
AJ Capacity setting failure
Transmission error between
indoor Printed Circuit Board
C1
(Master) and indoor Printed
Circuit Board (Slave)
Indoor heat exchanger
liquid pipe temperature
sensor malfunction
Indoor heat exchanger
condenser/ evaporator
temperature sensor mal-
function
Suction air thermistor
malfunction
Remote controller air
thermistor malfunction
Action of safety device
E0
(Outdoor unit)
Outdoor Printed Circuit
E1
Board failure (Outdoor unit)
High pressure malfunction
E3
(Outdoor unit)
Low pressure malfunction
E4
(Outdoor unit)
Compressor motor lock
ES
malfunction (Outdoor unit)
Compressor motor lock by
E6
over current (Outdoor unit)
Outdoor fan motor lock
malfunction (Outdoor unit)
E7
Outdoor fan instant over-
current malfunction
(Outdoor unit)
Input overcurrent
EB
(outdoor unit)
Remarks
Capacity setting adapter
or capacity data error, or
disconnection of the capac-
ity 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.
Electric expansion valve
E9
malfunction (Outdoor unit)
Cooling/heating switch
EA
malfunction (Outdoor unit)
Discharge piping
F3 temperature malfunction
(Outdoor unit)
High pressure control
(in cooling) (Outdoor unit)
Sensor fault for inverter
(Outdoor unit)
High pressure switch failure
H3
(Outdoor unit)
Low pressure switch failure
H4
(Outdoor unit)
Outdoor fan motor position
H7 signal malfunction
(Outdoor unit)
CT abnormality
(Outdoor unit)
Outdoor air thermistor
system malfunction
(Outdoor unit)
Pressure sensor system
malfunction (batch)
(Outdoor unit)
Current sensor system
malfunction (Outdoor unit)
Discharge piping thermistor Abnormal stop is applied
system malfunction
(Outdoor unit)
Suction piping thermistor
system malfunction
(Outdoor unit)
Outdoor heat exchanger
distributor liquid piping
thermistor malfunction
(Outdoor unit)
Outdoor heat exchanger
condenser/ evaporator
thermistor malfunction
(Outdoor unit)
Liquid piping thermistor
system malfunction
(Outdoor unit)
Gas piping thermistor
malfunction (cooling)
(Outdoor unit)
Discharge piping pressure
sensor system malfunction
JA
(Outdoor unit)
Suction piping pressure
JC sensor system malfunction
(Outdoor unit)
Inverter system malfunction
L1
(Outdoor unit)
Reactor thermistor
L3
malfunction (Outdoor unit)
Overheated heat-radiating
L4
fin (Outdoor unit)
Instantaneous overcurrent
LS
(Outdoor unit)
Electric thermal
LB
(Outdoor unit)
17
Abnormal stop is applied
depending on the model or
condition.
Abnormal stop is applied
depending on the model or
condition.
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.
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.
The compressor engines
and turbines may be over-
loaded and disconnected.