GE PVM9215SFSS Use And Care Manual page 29

Before you call for service...
Problem
Vent fan comes on
automatically
SENSOR ERROR appears
on the display
Possible Causes
The vent fan automatically turns
on to protect the microwave if it
senses too much heat rising from
the cooktop below.
When using a Sensor feature,
the door was opened before
steam could be detected.
Steam was not detected in a
maximum amount of time.
What To Do
is shown counting down on the display.
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