Daikin FCQ18PVJU Service Manual page 86

Troubleshooting by Remote Controller
Malfunction
code
Indoor Unit A0
A1
A3
A6
A7
A9
AF
AJ
C4
C5
C9
CA
CJ
Outdoor Unit E1
E3
E4
E5
E6
E7
E9
F3
F6
H3
H4
H7
H9
J2
J3
J5
J6
JA
JC
L0
L1
L4
L5
L8
L9
79
Operation Inspection Unit No.
lamp display
l l
l l
l l
l l
k l
l l
k h
l l
l l
l l
l l
l l
k l
l l
l l
l l
l l
l l
l l
l l
l l
l l
k h
l l
l l
l l
l l
l l
l l
l l
l l
l l
l l
l l
l l
l l
l l
l l
Malfunction contents
l
Error of external protection device
l 2
P.C.B. defect, E PROM defect
l
Malfunction of drain level control system (S1L)
l
Fan motor (M1F) lock, overload
l
Malfunction of louver motor (M1S)
l
Malfunction of moving part of electronic expansion
valve (Y1E)
l
Drain level above limit
l
Malfunction of capacity determination device
l
Malfunction of thermistor (R2T) for heat exchanger
(loose connection, disconnection, short circuit, failure)
l
Malfunction of thermistor (R3T) for gas pipes (loose
connection, disconnection, short circuit, failure)
l
Malfunction of thermistor (R1T) for suction air (loose
connection, disconnection, short circuit, failure)
l
Malfunction of thermistor for discharge air (loose
connection, disconnection, short circuit, failure)
k
Malfunction of thermostat sensor in remote
controller
l
P.C.B. defect
l
Actuation of high pressure switch
l
Actuation of low pressure sensor
l
Inverter compressor motor lock
l
Standard compressor lock or overcurrent
l
Malfunction of outdoor unit fan motor
l
Malfunction of moving part of electronic expansion
valve (Y1E)
l
Abnormal discharge pipe temperature
l
Refrigerant overcharged
l
Failure of high pressure switch
l
Actuation of low pressure switch
l
Abnormal outdoor fan motor signal
l
Malfunction of thermistor (R1T) for outdoor air
(loose connection, disconnection, short circuit,
failure)
l
Current sensor malfunction
l
Malfunction of discharge pipe thermistor (R2T)
(loose connection, disconnection, short circuit,
failure)
l
Malfunction of thermistor (R3T, R5T) for suction
pipe 1,2 (loose connection, disconnection, short
circuit, failure)
l
Malfunction of thermistor (R4T) for outdoor unit heat
exchanger (loose connection, disconnection, short
circuit, failure)
l
Malfunction of high pressure sensor
l
Malfunction of low pressure sensor
l
Inverter system error
l
Malfunction of P.C.B.
l
Malfunction of inverter radiating fin temperature rise
l
Inverter compressor abnormal
l
Inverter current abnormal
l
Inverter start up error
SiUS28-902_a
k: ON h: OFF l: Blink
Page
Referred
85
86
87
89
90
92
94
95
96
97
98
99
100
101
102
104
106
—
108
109
111
112
—
—
—
113
—
114
115
116
117
119
—
121
122
123
124
126
Troubleshooting