Specifications

Troubleshooting for BP Unit SiBE18-821
296 Troubleshooting
6.3 Faulty BP Liquid or Gas Pipe Thermistor
Remote
Controller
Display
J0
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
When the BP liquid or gas pipe temperature sensor became short-circuited or open.
Supposed
Causes

Faulty BP liquid or gas pipe temperature sensor

Faulty connectors connection of BP liquid or gas pipe temperature sensor
Troubleshooting
Temp. Resistance
–10°C 117k
Ω
0°C 67k
Ω
10°C 40k
Ω
20°C 25k
Ω
30°C 16k
Ω
40°C 10k
Ω
50°C 7k
Ω
60°C 5k
Ω
70°C 3k
Ω
Replace thermistor or
thermistor assembly.
If insufficient contact is not
detected, replace the
corresponding PCB.
YES
NO
Is the
resistance normal
referring to the table
below?
(Q0547)
Disconnect the thermistor
connectors from the
corresponding BP PCB and
measure the resistance of
liquid or gas tube temperature
sensor.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.