Sharp R-980J Service Manual page 11

(RY4) is energized, and the damper is returned to the
open position.
NOTE: If the damper door is not in the proper position,
closed during convection or open during
microwave, the control unit will stop oven operation
after 1 minute.
Cooking Mode
Microwave cooking
Convection cooking
Sensor cooking
Automatic mix cooking
Grill cooking
Slow cooking
DAMPER SHAFT
Figure D-2. Damper Mechanism
NOISE FILTER
The noise filter prevents the radio frequency interference
that might flow back in the power circuit.
Operation of Damper
OPEN
CLOSE
OPEN
CLOSE
CLOSE
CLOSE
DAMPER DUCT
DAMPER
DAMPER CAM
DAMPER SWITCH
DAMPER MOTOR
9
R-980J