Panasonic NN-8507 microwave, FFFF?
Fellow techs,
I have this Panasonic NN-8507 microwave combi in for repair. Every separate function seems to work. But when i use the combination button, micro and heater together, it seems to go well for 4 minutes...then on the display i get 'FFFF' and the microwave stops functioning. I can only see 2 temp. controllers and 1 humidity(steam) sensor. The temp.controllers seem to function allright using a lighter to heat them up and they both switch off when getting too hot. What else could cause this FFFF in the display? (ps: I am an electr. engineer and thus aware of the dangers inside a microwave, dont worry.) Tia, Mark |
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