Daikin FTXS30LVJU, Руководство по обслуживанию, Страница: 155 / 414

Check SiUS091133
145 Service Diagnosis
5.6 FourWay Valve Performance Check
Check No.13
5.7 Inverter Units Refrigerant System Check
Check No.14
(R15737)
N O
YES
YES
N O
T u rn the po w er off and then on
again.
Disconnect the fo u r- w ay v al v e coil
from the connector and check the
contin
u ity.
Start heating operation.
*
Fo u r- w ay v al v e coil
Cooling / Dry : N o contin u ity
Heating : Contin u ity
Replace the o u tdoor u nit
PCB.
Replace the fo u r- w ay v al v e
coil.
Replace the fo u r- w ay v al v e.
Fo u r- w ay v al v e
coil resistance at 1000 ~
2000
W
?
S 8 0 v oltage at
220 - 240 V AC w ith
compressor on? (Fig.
1)
(R11904)
(Fig. 1)
Voltage at S80
220 - 240 VAC
Time
Compressor
ON
Refrigerant system check
Check for refrigerant leakage.
See the service diagnosis on
refrigerant shortage (
U0
).
(R15833)
YES
NO
Reconnect the thermistor.
Replace the refrigerant.
Is the
discharge pipe
thermistor disconnected
from the holder?