This excerpt from the user's manual can explain the problem of your switch.
"... Peel the apples, divide them into quarters and remove the seeds. Cut them into thin slices and sprinkle with lemon juice. Mix the apple slices with the sugar and cinnamon and let the mixture stand for 10 minutes. Press [left] or [right] to search for available radio stations. Press [OK] to turn off the radio. On the radio screen, press <Options> and select FM Radio...."
BLUESKY BMG254EL, BMG25400, BMG254035, BMG254070, BMG2540105, BMG2540140, BMG25-4EL, BMG25-4470, BMG25-44745, BMG25-44790, BMG25-447135, BMG25-447180
Manufacturer's part price is £10.47 Discount for bulk (starting at 10 units), £10.13 per unit
This manufacturer part is recomended by BLUESKY, which gives it a 10/10 rating.
This spare part is recommended for your BLUESKY BMG25-4EL microwave oven .
All spare parts are new and come with a 1 year warranty
① Carefully check your BLUESKY microwave oven's product number
② Start search
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Here are examples for partial reference for microwave oven :
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