Daikin 10 - List of Alarm Code

84
7
Troubleshooting
3-2. List of Alarm Code
Alarm
code
Alarm
level
Malfunction Class Operating condition
Measure
(Page)
A6 2
DC fan motor system
malfunction
70
When the main circuit for fan has abnormal
instantaneous overcurrent.
P.86
71 When the hall sensor of the fan motor is abnormal.
72
When an error signal is detected from the power device.
73, 74 When the main circuit for fan has an abnormal voltage.
76 When the fan does not rotate.
80, 81
When the main circuit for fan has abnormal instantaneous current.
P.87
82 When the fan does not rotate.
83, 85 When the fan motor loses steps.
86 When the fan is overloaded when started.
89, 90, 94 When the main circuit for fan is abnormal.
96
When the main circuit for fan has an abnormal voltage.
AA 2 Overheated heater ("-H" only) 51 When the heater overheat prevention is activated. P.88
E1 1 System malfunction 10, 70
Combination of control board and inverter board is wrong. Replace the control board
E3 2*
Malfunction due to high
pressure or condenser
temperature
10 The condenser thermistor exceeds 62℃.
P.89, 90
50 When the high pressure switch is actuated.
E5 2*
Malfunction due to
discharge pipe temperature
or overheated compressor
10
The discharge thermistor exceeds 100℃. (AKZ14A–43A)
The discharge thermistor exceeds 115℃. (AKZ56A, 90A)
P.91, 92
50
When the compressor protection thermostat is actuated.
E6 2 Compressor lock at startup 70 The compressor revolutions are not detected at startup. Replace the compressor
E9 2
Malfunction of
electronic expansion
valve for main circuit
or motor operated valve
for hot gas
10
Abnormality in detection of minimum opening of the
electronic expansion valve for main circuit.
P.93, 94
11
Blown fuse abnormality of the electronic expansion
valve for main circuit.
12
Blown fuse abnormality of the motor operated valve for hot gas.
EH 1
Actuation of pump
overcurrent relay
50 When the overcurrent relay for pump motor is actuated. P.95
EJ
1
or
2
Actuation of overheat
protection switch
or actuation of optional
safety device
50–53
①AKZ14A–43A-H
Actuating (open) pressure: 0.02 MPa or less
②AKZ56A, 90A-H
Actuating (open) flow rate: 15 L/min or less
③Other than AKZ** A-H
Actuating (open) of the optional safety devices.
P.96
FE 1
Malfunction due to oil temperature
(rise in oil temperature)
10 The inlet temperature exceeds 65℃. P.97
FH 2
Rise in oil inlet temperature 10 The inlet temperature exceeds 60℃. P.98
H0 2
Malfunction of machine
body thermistor
10
When disconnection or short circuit of the thermistor
is detected.
P.99
H1 2
Malfunction of room thermistor 10 When disconnection or short circuit of the thermistor is detected.
J3 2
Malfunction of
discharge thermistor
99
When 150 hours have passed with the thermistor
disconnected or short-circuited.
J4 2
Malfunction of EE valve
outlet thermistor
99
When 150 hours have passed with the thermistor
disconnected or short-circuited.
J6 2
Malfunction of
condenser thermistor
99
When 150 hours have passed with the thermistor
disconnected or short-circuited.
JH 2
Malfunction of inlet oil thermistor 10 When disconnection or short circuit of the thermistor is detected.
JJ 2
Malfunction of outlet oil
thermistor or optional
thermistor
10
When disconnection or short circuit of the thermistor
is detected.
L4 2
Malfunction of IPM
temperature or radiation
fin temperature
70
When the detected temperature of IPM temperature
exceeds a threshold.
P.100
71
When the detected temperature of radiation fin
temperature exceeds a threshold.
00_PB00540A_M10.indb 84 2023/08/09 12:59:05