Daikin VRV II-Q RQYQ8-48PY1B Service Manual page 109

SiBE341027
2pt
Error code
Outdoor Unit E1
E2
E3
E4
E5
E6
E7
E9
F3
F4
F6
H3
H7
H9
J1
J2
J3
J5
J6
J7
J8
J9
JA
JC
L1
L4
L5
L8
L9
LA
LC
P1
P4
PJ
System U0
U1
U2
U3
U4
U5
U7
U8
U9
UA
UC
UE
UF
UH
Service Diagnosis
Operation
lamp
l
PCB abnormality
l
Actuation of high pressure switch or pressure switch
l
Actuation of high pressure switch or pressure switch
l
Actuation of low pressure sensor
l
Inverter compressor motor lock
l
STD compressor motor overcurrent/Lock
l
Outdoor unit fan motor abnormality
l
Electronic expansion valve coil abnormality (Y1E ~ Y3E)
l
Abnormal discharge pipe temperature
l
Humidity alarm
l
Refrigerant overcharged
l
High pressure switch system abnormality
l
Abnormal outdoor fan motor signal
l
Abnormal outdoor air thermistor
l
High pressure sensor abnormality
l
Currents sensor abnormality
l
Abnormal discharge pipe thermistor
l
Abnormal suction pipe thermistor
l
Abnormal heat exchanger deicer thermistor
l
Abnormal liquid pipe thermistor
l
Abnormal receiver gas vent outlet thermistor
l
Abnormal subcooling heat exchanger outlet thermistor
l
High pressure sensor abnormality
l
Low pressure sensor abnormality
l
Inverter PCB abnormality
l
Inverter radiation fin temperature rise
l
Momentary overcurrent of inverter compressor
l
Overcurrent abnormal of inverter compressor
l
Inverter compressor starting abnormality
l
Power unit abnormality
l
Transmission system error (between inverter and main PCB)
l
Inverter over-ripple protection
l
Inverter radiation fin temperature abnormality
Field setting abnormality after replacing main PCB or combination error of
l
PCB
k
Refrigerant shortage
l
Reverse phase, open phase
l
Power supply insufficient or instantaneous failure
l
Check operation is not executed
l
Transmission error (between indoor and outdoor units)
l
Transmission error (between remote controller and indoor unit)
l
Transmission error (Across outdoor units)
l
Transmission error (between main and sub remote controllers)
l
Transmission error (between indoor and outdoor units in the same system)
l
Improper combination of indoor and outdoor units, indoor units and remote
controller
k
Address duplication of centralized controller
l
Transmission error (between centralized controller and indoor unit)
l
System is not set yet
l
System error, refrigerant system address undefined
Troubleshooting by Remote Controller
Error contents
k: ON h: OFF l: Blink
Page
Referred
104
105
106
108
110
112
113
116
118
120
122
123
124
126
127
129
126
126
126
126
126
126
130
132
134
136
137
139
141
—
143
145
147
148
149
151
152
155
156
159
160
166
167
168
172
173
176
177
99