Why is my stabilizer humming while not working (TEC-TR-15000)

in Best of India4 years ago

Engineer in the house please I need help to fix a client stabilizer. I have tried every alternative but still could not work

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when ever I switch it on the transformer will be humming and it will draw current while not working
Even when I turn it on the light will not on

Transformer
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Panel
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please your comment and solutions will help me and other with similar issues
thanks..