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Daniel T.
Daniel T., Home Appliance Technician
Category: Appliance
Satisfied Customers: 14807
Experience:  20+ yrs. experience in white goods repair. NVQ Level 2 electronics manufacturers training courses.
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CM109 COBINATION MICROWAVE TOUCH PANEL ON/OFF DOES NOT

Customer Question

CM109 COBINATION MICROWAVE TOUCH PANEL ON/OFF DOES NOT FUNCTION SOMETIMES, NEEDING REPEATED TOUCHES TO MAKE IT WORK (1 TO 20+). ALL OTHER TOUCH BUTTONS WORK.
Submitted: 6 months ago.
Category: Appliance
Expert:  Daniel T. replied 6 months ago.
Hi Stupid question but i assumed you have tried cleaning the front control panel and make sure the touch button are clear and free from any grease or anyting like that as this can cause the fault. But if thats all ok then the fault will be with the touch control board behind the panel there. What you can try if you are able to is remove the microwave from the unit and unplug it.Remove the top panel then you will see the front control board.Now before touching anything at all in there you must discharge the high voltage capacitor as it can store 4500v even when unplugged.Once thats discharged you will see the control board behind the panel.Remove this and clean the other side of the panel were the board sitsThen refit it and make sure the boards sits right up against the panel and refit the top and retry it and see how it goes from there. But if its still the same after that then the touch control board will need to be replaced and that will sort the fault from there. Regards

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