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How to fix my microwave (fan & turntable stopped working)
I have a Panasonic NN-A574SBBPQ, which suddenly failed with a small 'pop' sound.
Device is just out of warranty, so opened it up and checked fuses ...found 2, both OK. Switched back on and tried a few things;
The control panel/timer, grill & microwave all work OK, but the turntable* & fans are not working.
*n.b. I disconnected the turntable motor, wired up separately and it turned OK.
So, it seems to be a fault with whatever powers these components and theoretically simple to fix, but I don't know which specific part has failed or what it is called, so that I can order & fit a replacement ...Any ideas?
Device is just out of warranty, so opened it up and checked fuses ...found 2, both OK. Switched back on and tried a few things;
The control panel/timer, grill & microwave all work OK, but the turntable* & fans are not working.
*n.b. I disconnected the turntable motor, wired up separately and it turned OK.
So, it seems to be a fault with whatever powers these components and theoretically simple to fix, but I don't know which specific part has failed or what it is called, so that I can order & fit a replacement ...Any ideas?
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It does sound like the circuit board, which delivers current to both the fan and turntable and controls the heat overun (when the microwave stops cooking it often allows the fan to run for a few seconds more to get rid of residual heat), has gone bang.
It can be checked by a service engineer, using a multimeter to see if the feeds are present.
I would warn against you opening up this appliance by yourself! The unit contains a High tension capacitor which can remain charged even when the unit is switched off and unplugged. The shock it can deliver is potentailly fatal.
Its a decent enough make - consider taking it to a local electrical repairer to test it, if it is the circuit board the repair should be cheaper than a new one of this quality.
It can be checked by a service engineer, using a multimeter to see if the feeds are present.
I would warn against you opening up this appliance by yourself! The unit contains a High tension capacitor which can remain charged even when the unit is switched off and unplugged. The shock it can deliver is potentailly fatal.
Its a decent enough make - consider taking it to a local electrical repairer to test it, if it is the circuit board the repair should be cheaper than a new one of this quality.
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