Faulty Bp Liquid Or Gas Pipe Thermistor - Daikin Super Multi Plus E-Series Service Manual

Troubleshooting for BP Unit
6.3

Faulty BP Liquid or Gas Pipe Thermistor

J0
Remote Control
Display
Method of
Malfunction
Detection
Malfunction
When the BP liquid or gas pipe temperature sensor became short-circuited or open.
Decision
Conditions
Supposed
Causes
Troubleshooting
354
Faulty BP liquid or gas pipe temperature sensor
Faulty connectors connection of BP liquid or gas pipe temperature sensor
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Disconnect the thermistor
connectors from the
corresponding BP PCB and
measure the resistance of
liquid or gas tube temperature
sensor.
Is the resistance
normal referring to the
table below?
YES
Temp. Resistance
-10°C 117kΩ
0°C 67kΩ
10°C 40kΩ
20°C 25kΩ
30°C 16kΩ
40°C 10kΩ
50°C 7kΩ
60°C 5kΩ
70°C 3kΩ
NO
SiEN18-622
Replace thermistor or
thermistor assembly.
If insufficient contact is not
detected, replace the
corresponding PCB.
(Q0392)
Troubleshooting