Daikin J Series Wartungshandbuch Seite 222

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Seitenansicht 221
SiE18-201 Troubleshooting - Outdoor Unit Related
Service Diagnosis 211
3.2 7 Seg. Display on the Outdoor P.C. Board
TROUBLE DAIGNOSIS
<
LED ON OUTDOOR UNIT PCB
>
<
DIGITAL DISPLAY
>
Rotary SW position : Set SW1 to 0, Set SW2 to 0.
LED DISPLAY
[ GREEN ]
DIGITAL
DISPLAY
DIAGNOSIS
[ ON ] OR [ OFF ] OR
[ Blinking quickly ]
[ Blinking
slowly ]
NORMAL
ABNORMAL
(Malfunction of control unit)
PCB4
A5
INDOOR UNNIT : High pressure protector
worked, or freeze-up in operating unit
(Stop due to peak cut, freeze)
BP UNIT : Malfunction of moving part of
electoric expansion valve (Y1E ~ Y4E)
OUTDOOR UNIT : Actuation of high
pressure switch
OUTDOOR UNIT : Fan motor lock or OCP
(Output Over current Protect)
OUTDOOR UNIT : Inverter input over
current protect
OUTDOOR UNIT : Abnormal discharge pipe
temperature
OUTDOOR UNIT : High pressure switch
failure
OUTDOOR UNIT : Compressor motor
position detection sensor error
OUTDOOR UNIT : Fan motor position
detection sensor error
OUTDOOR UNIT : Malfunction of
thermistor for outdoor air
OUTDOOR UNIT : Discharge pipe thermistor
or related abnormaly
OUTDOOR UNIT : Malfunction of suction
pipe thermistor
OUTDOOR UNIT : Malfunction of heat
exchanger thermistor
OUTDOOR UNIT : Malfunction of heat
exchanger liquid thermistor
BP UNIT : Malfunction of liquid
pipe thermistor
BP UNIT : Malfunction of gas pipe
thermistor
OUTDOOR UNIT : Malfunction of suction
pipe pressure sensor
OUTDOOR UNIT : Electoric component box
over temperature
OUTDOOR UNIT : Radiation fin over
temperature
OUTDOOR UNIT : Compressor overload,
compressor motor wire cut
OUTDOOR UNIT : Malfunction of
electoric component box sensor
OUTDOOR UNIT : Malfunction of power
unit temperature sensor
OUTDOOR UNIT : Power supply
insurfficient or instantaneous failure
<
CAUTION
>
It is possible to check if the outdoor unit, or a
BP unit, is malfunctioning.
Rotary SW position : Set SW1 to 0, Set SW2 to 1.
(Digital display is as follows.)
Malfunction of transmission between
BP unit and outdoor unit
Malfunction of transmission between
indoor unit and BP unit
OUTDOOR UNIT : Refrigerant shortage
OUTDOOR UNIT : Compressor start up error
OUTDOOR UNIT : Total input over current
OUTDOOR UNIT : Compressor motor
insulation defect, short circuit,
power unit short circuit
OUTDOOR UNIT : Malfunction of
transmission between inverter and
outdoor control unit
OUTDOOR UNIT : AC current sensor error
OUTDOOR UNIT : Low pressure drop error
OUTDOOR UNIT : Malfunction of moving
part of electoric expansion valve
(Y1E ~ Y3E)
OUTDOOR UNIT : Compressor lock
A9
E3
E6
E7
E8
E9
F3
FC
H3
H6
H7
H8
H9
J3
J5
J6
J7
J8
J9
JC
L3
L4
L5
L7
L8
L9
LC
P3
P4
U0
U2
U4
U6
LED (A)H1P
LED H2P
LED H3P
LED H4P
PCB1
PCB3
Outdoor unit malfunction :
BP unit malfunction
:
,,
DC fan malfunction
:
Return SW to original position. : "SW1 to 0, SW2 to 0"
(UPPER) (LOWER)
BP UNIT : Failure of field setting
OUTDOOR UNIT : Malfunction of outdoor
control unit
Malfunction of transmission between
fan control unit and outdoor control
unit
U7
UA
UH
2P060527
Switch Box
Service Monitor
7 seg. display
Seitenansicht 221
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