Samsung MW73VR Service Manual page 23

4. Troubleshooting
4-3-7 Cooling Error
Remove any moisture
of the sensor.
Check the sensor
terminal and housing.
Replace
the sensor.
"E-45" is displayed.
YES
Is the sensor wet?
YES
Is the sensor voltage over 3V?
Does the same symptom
NO
continue after replacing
the sensor?
S/W Error
After Power > On,
NO
does the symptom continue?
Replace the PCB.
Perform the operation again and check if it
is working properly.
: To remove moisture from the sensor,
open the door for 5 minutes.
NO
: Check if the GND and sensor terminal
is maintained over 3V continuously during
the initial cooking course using a multi-
meter.
NO
YES
YES
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