Panasonic KY-B84BXBXD Service Manual page 32

7.5. Cooling fan operation mode
Operating procedures
How to operate(Each button operation has a buzzer sound.)
1. Turn the main power switch on.
2.Within three (3) seconds, simultaneously press the Up button of the left
rear IH heater and the Timer (+) buttons.
3.Press the left front IH heater Down button.
4.Timer displays "FF" and the fan motor starts rotating.
How to exit from this mode.
Turn the main power switch off.
Operation Indicators on the operation panel
①
②
③
④ Timer displays "FF".
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