GE Profile PVM9179 Owner's Manual And Installation Instructions page 31

Problem
Food browns on top much Rack has been placed in the
faster than on the bottom "high" position.
Oven temperature
fluctuates during cooking on and off to maintain the
Vent fan comes on
automatically
SENSOR ERROR appears
on the display
Possible Causes
The cooking element cycles
oven temperature at the
desired setting.
The vent fan automatically turns
on to protect the microwave if it
senses too much heat rising from
the cooktop below.
During Bake, Roast or Fast Bake
(after preheating), the vent fan
will automatically come on to
cool the oven components.
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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