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4-2-4 E-22
Remove the shorted part
of the temperature sensor.
Remove any foreign
Substance from the
shorted part.
S/W Error
NO
After Power > On, does
the symptom continue?
Replace the PCB.
BF641FST_XFA_05291A.indb 22
Sensor Short Error (E-22)
YES
Is the sensor shorted?
YES
Is the sensor terminal part
of the PCB shorted?
Does the voltage change
YES
as the humidity, temperature
and weight cha
The sensor is out of order.
YES
Replace the sensor.
Perform the operation again and
check if it is working properly.
: Check if both terminals of the
sensor are slightly shorted.
NO
: Check if the sensor and related
parts such as the connector or
soldering parts are slightly shorted.
NO
: Check if the voltage of the GND and
sensor changes using a digital multi-meter
by forcefully changing the humidity,
temperature and weight.
NO
- 22 -
sensor
connector
terminal
sensor
connector
terminal
2011-10-31
1:33:35
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