Sensor - Frigidaire PLMV178HC Service Manual

Over - range microwave oven
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5-9 Sensor

The Sensor Cooking Function uses a special humidity
sensor which detects humidity during the cooking
process. Before conducting either of the sensor tests
below, ensure the unit is plugged into a wall outlet for
at least 5 minutes. If already plugged in, proceed. The
sensor is a plug-in device located in the vent area at the
top left hand corner of the cavity behind the grille.
To Service :
1. Disconnect power and remove grille.
2. Remove the sensor by removing screws.
3. Mount the new sensor to the duct.
SENSOR TEST (QUICK TEST)
1. With 2 fingers touch and hold the following pads at the same time :
Auto Defrost
2. Observe diagnostic number in display (Numbers approximate)
ex) 33 (Vs) 39 (Vout)
● Vout Vaule : 10~150 (Normal-verify with "detection test" )
● Over 150 or Less than 10 (Sensor failed. Check connection of Sensor.)
and
Reheat
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