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Electrical Malfunction - Samsung SMH1713 Series Service Manual

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4. Troubleshooting
4-4 Electrical Malfunction
4-4-1 E-11, E-21, E-27, E-29, E-2B, E-31, E-32, E-41, E-46, E-61
Sensor Open Error (E-11, E-21, E-27, E-29, E-2B, E-31, E-32, E-41, E-46, E-61)
Connect the sensor.
Connect the
wire properly.
S/W Error
NO
After Power -> On, does
the symptom continue?
YES
Replace the PCB.
YES
Is the sensor disconnected?
Is the sensor wire
NO
connected properly?
Does the voltage change
as the humidity, temperature
and weight change?
The sensor is out of order.
Replace the sensor.
Perform the operation again and check if it
is working properly.
: Check if the sensor housing
is inserted into the connector
of the main PCB.
NO
: Check if the sensor wire is damaged, if the
housing is loose and if the sensor and the
wire are properly connected.
YES
: Check if the voltage of the GND and sensor
changes using a digital multi-meter
NO
by forcefully changing the humidity, temperature
and weight.
22
sensor
housing
connector

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