Daikin VRV RXYMQ-A Series Service Manual page 160

Troubleshooting by Error Code
Error code
Outdoor Unit E1
E2
E3
E4
E5
E7
E9
F3
F4
F6
H3
H5
H7
H9
J3
J5
J6
J7
J8
J9
JA
JC
L1
L2
L4
L5
L8
L9
LC
P1
P3
P4
PJ
System
U0
U1
U2
U3
U4
U5
U7
U8
U9
UA
UC
UE
UF
UH
The system operates for error codes indicated, however, be sure to check and repair.
154
Operation
lamp
Outdoor unit main PCB abnormality
l
Current leakage detection
l
Missing of leakage detection core
l Activation of high pressure switch
Activation of low pressure sensor
l
Compressor motor lock
l
Outdoor fan motor abnormality
l
Electronic expansion valve coil abnormality
l
l Discharge pipe temperature abnormality
l Wet alarm
l Refrigerant overcharged
l Harness abnormality (between outdoor unit main PCB and inverter PCB)
l OL activation (compressor overload)
l Outdoor fan PCB abnormality
l Outdoor air thermistor (R1T) abnormality
l Discharge pipe thermistor (R21T) abnormality
l Suction pipe thermistor (R3T) abnormality
Heat exchanger deicer thermistor (R7T) abnormality
l
Subcooling heat exchanger liquid pipe thermistor (R5T) abnormality
l
Heat exchanger liquid pipe thermistor (R4T) abnormality
l
l Subcooling heat exchanger gas pipe thermistor (R6T) abnormality
l High pressure sensor abnormality
l Low pressure sensor abnormality
l Inverter circuit abnormality
l Momentary power failure during test operation
l Inverter radiation fin temperature rise abnormality
l Compressor instantaneous overcurrent
l Compressor overcurrent
l Compressor startup abnormality
Transmission error between microcomputers on outdoor unit main PCB
l
Transmission error between inverter PCB and outdoor unit main PCB
Inverter circuit capacitor high voltage
l
Power supply voltage imbalance
Reactor temperature abnormality
l
Inverter radiation fin temperature abnormality
l
Field setting after replacing outdoor unit main PCB abnormality or
l
combination of PCB abnormality
Refrigerant shortage warning (Cooling)
Refrigerant shortage warning (Heating)
k
Refrigerant shortage abnormality (Heating only)
l Open phase
l Power supply insufficient or instantaneous abnormality
Check operation not executed
l
Transmission error between indoor units and outdoor units
l
Transmission error between remote controller and indoor unit
l
Transmission error between outdoor units
l
Transmission error between main and sub remote controllers
l
Other indoor units and outdoor unit abnormality
l
Improper combination of indoor unit and outdoor unit, indoor unit and remote
l
controller
Address duplication of centralized controller
k
Transmission error between centralized controller and indoor unit
l
System not set yet
l
System abnormality, refrigerant system address undefined
l
Description
SiME332106E
Reference
page
194
195
196
197
199
200
202
205
206
208
210
211
212
214
215
215
215
215
215
215
215
217
218
219
221
222
224
226
228
230
231
233
234
236
237
239
240
241
243
246
247
251
252
255
256
260
261
262
265
266
269
270
Part 6 Service Diagnosis