Question about Neff H7871A2GB 800 Watts Convection / Microwave Oven
Neff H7871. Replaced part numbers: 268692 (module power) and 268690 (display module). There is AC power to the unit but the unit appears 'dead' with no display lights. Does anyone have a wiring diagram or ideas on how to fix it please?
Not sure about the Neff brand, but in general you'd want to check for 110VAC power on the primary side of the low voltage transformer on the control panel / board. If that is present, check the secondary for voltage, about 12-30VAC. If the unit has a VFD type display, there will be a heater filament supply, usually around 2.5-6VAC. Also look for bad connecitons on the VFD. If those voltages are present, check connections on the board, look for bloated / bulging capacitors, shorted diodes, breaks in the board, etc. Also look for thermal cutouts and thermostats. If this doesn't fix it, can you take several photos of the inner parts and circuit boards?
Posted on Nov 01, 2006
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Posted on Jan 02, 2017
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