Question about Panasonic NN-S753 Microwave Oven
I have a Panasonic microwave NN-S753BF that gives an error code of 53:30 in the display. I bought the schematics but have no guide to identify the problem. I service line-of-site telecommunications equipment so I have some knowledge of what to look for but need some guidance. The unit will allow any programing info but will run aprox 30 sec with no magnetron engagement. Please help. Thank you for your time. Sincere regards, Mary Kellogg
The oven is Normaly service by board and parts swapping. The processor board would be difficult to service without proper diagnostics. If you take in consideration of the time and the extent of the diagnostics to analyse the fault, it would not be cost effective.
The most common causes of failure is the power supplies, and safety switches. Follow the information in the service manual to take voltage reading and test the switches.
If you have to work in the high voltage section, take great precaution. This is very dangerous to work on. You will need the proper high voltage test meter probe to check for proper high voltage operation. The service people swap out parts to test. This is the fastest, safest, and easiest way to service these.
Normally, outside of warranty we found these not worth to service unless the fault was very simple.
Posted on Jul 26, 2008
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