Daikin RQYQ140-180PY1 Service Manual page 113

SiBE341001
Malfunction
code
Outdoor Unit E1
E2
E3
E4
E5
E7
E9
F3
F4
F9
H7
H9
J3
J4
J5
J6
J7
J8
J9
JA
JC
L1
L4
L5
L8
L9
Outdoor Unit LA
LC
P1
P4
PJ
System U1
U2
U3
U3
U4
U7
U8
U9
UA
UC
UE
UF
UH
Centralized M1
Remote
M8
Controller
and
Schedule MA
Timer
MC
Troubleshooting
Operation
lamp
l
PCB defect
l
Actuation of high pressure switch
l
Actuation of high pressure switch
l
Actuation of low pressure sensor
l
Inverter compressor motor lock
l
Malfunction of outdoor unit fan motor
l
Malfunction of moving part of electronic expansion valve (Y1E ~ Y5E)
l
Abnormal discharge pipe temperature
l
Humidity alarm
l
Malfunction of BS unit electronic expansion valve
l
Abnormal outdoor fan motor signal
l
Malfunction of thermistor (R1T) for outdoor air
l
Malfunction of discharge pipe thermistor (R31T, R32T, R33T)
l
Malfunction of temperature sensor for heat exchanger gas (R2T or R11T)
l
Malfunction of thermistor (R8T or R10T) for suction pipe
l
Malfunction of thermistor (R4T or R12T) for outdoor unit heat exchanger
l
Malfunction of liquid pipe thermistor 1 (R6T, R9T or R14T)
l
Malfunction of liquid pipe thermistor 2 (R7T or R15T)
l
Malfunction of subcooling heat exchanger gas pipe thermistor (R5T or
R13T)
l
Malfunction of high pressure sensor
l
Malfunction of low pressure sensor
l
Malfunction of inverter PCB
l
Malfunction of inverter radiating fin temperature rise
l
Momentary overcurrent of inverter compressor
l
Momentary overcurrent of inverter compressor
l
Inverter compressor starting failure
l
Malfunction of power unit
l
Malfunction of transmission between inverter and control PCB
l
Inverter over-ripple protection
l
Malfunction of inverter radiating fin temperature rise sensor
l
Faulty field setting after replacing main PCB or faulty combination of PCB
l
Reverse phase, open phase
l
Power supply insufficient or instantaneous failure
l
Check operation not executed
k
Check operation is not completed.
l
Malfunction of transmission between indoor units and outdoor units
l
Transmission failure (Across outdoor units)
l
Malfunction of transmission between main and sub remote controllers
l
Malfunction of transmission 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
Malfunction of transmission between centralized controller and indoor unit
l
System is not set yet
l
Malfunction of system, refrigerant system address undefined
k or h
PCB defect
k or h
Malfunction of transmission between optional controllers for centralized
control
k or h
Improper combination of optional controllers for centralized control
k or h
Address duplication, improper setting
Troubleshooting by Remote Controller
Malfunction contents
k: ON h: OFF l: Blink
Page
Referred
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