Combination Cooking Control; Grill Cooking Control - Panasonic NN-CS599S Service Manual

NN-CS599S
CONVECTION/GRILL CONVECTION FUNCTION:
NOTE:
If only convection heater or grill heater works, both
convection fan moter and cooling fan moter would rotate for
5 minutes after cooking to cool down oven and electric
components.
4.5.

Combination cooking control

Combination cooking is accomplished by microwave and grill
cooking (upper heater) being done during one combination
cooking cycle. One combination cooking cycle is 33 seconds.
1. During combination cooking, the digital programmer circuit
controls power relay RY9´s ON-OFF time. In all three
combination cooking categories, power relay RY1 always
stay on, but RY9´s ON-OFF time as shown in Figure.
COMBINATION
CATEGORY
ON (sec.)
1 33
2 24
3 18
4.6.

Grill cooking control

Grill cooking is accomplished by upper heaters only. One grill
cooking cycle is 33 seconds.
1. During grill cooking, the digital programmer circuit controls
power relay RY4 & RY9´s ON-OFF time (RY4 & RY9´s ON-
OFF state is synchronous). In all three grill cooking
categories, power relay RY1 always stay OFF, but RY4 &
RY9´s ON-OFF time are shown in Figure.
GRILL GRILL (RY4 & RY9)
CATEGORY
ON (sec.)
1 33
2 24
3 18
8
GRILL(RY9) MICROWAVE
(RY1)
OFF (sec.)
0 ON
9 ON
15 ON
MICROWAVE
(RY1)
OFF (sec.)
0 OFF
9 OFF
15 OFF