Here are some DIY steps that may help you fixing the
1.Check the power cord - check the cord it might be opened
(no continuity).This is due to frequent bending,pulling.
2.Check the internal fuse - sometimes the fuse fail because
of the power surge, replacing with new one cure the problem. However if the
fuse blew again then this is an indication that you have a shorted parts on the
power supply. If no reaction and still the unit didn't power up then you have
an open parts on the power supply.
3.If the fuse is intact then you have a faulty in the power
supply or on the load.
The next steps should be done by an expert or qualified
technician because isolating the problem on the regulator section is technical and fatal.
But first check if the unit is under warranty then avail it
because the manufacturer will fix it for you for free or a little charge only.
Have a nice day!
Thanks for using fixya.
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