Daikin J Series Wartungshandbuch Seite 238

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Seitenansicht 237
SiE18-201 Troubleshooting - Outdoor Unit Related
Service Diagnosis 227
3.3.16 Faulty of Liquid Pipe Thermistor
Outdoor Unit
Indication
J7
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
When the liquid pipe temperature sensor became short-circuited or open.
Supposed
Causes
Faulty liquid pipe temperature sensor
Faulty connectors connection of liquid pipe temperature sensor
Troubleshooting
AB
1 -10˚C 117k
2 0˚C 67k
3 10˚C 40k
4 20˚C 25k
5 30˚C 16k
6 40˚C 10k
7 50˚C 7k
8 60˚C 5k
9 70˚C 3k
Disconnect the thermistor
connectors from outdoor unit
PC board and measure the
resistance of liquid pipe
temperature sensor.
Replace thermistor or
thermistor assembly.
If insufficient contact is not
detected, replace outdoor
unit PC board.
YES
Is the resistance
normal referring to the
table below?
NO
(MF035)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
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