610 dam2 to km2 - Office Equipment & Supplies

Question edited for clarity.

It only happens in Zambia.

https://www.google.com/search?q=Sony+KM2+amplifier%2C+USB+Fail+error

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Question edited heavily for clarity.
Question moved from Office Equipment.

Here is your fix
https://us.community.sony.com/s/question/0D50B00004IL1K5SAL/how-to-handle-a-usb-fail-message-from-a-strkm3-that-has-no-usb-port?language=en_US

https://www.google.com/search?q=Sony+STR-KM2+error+USB+Fail

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Repair the damaged amplifier.

Sony model:str-km2 stays only on protect even i disconnector speaker cable

Area. • Total, 18,333 km2 (7,078 sq mi).
Population (2011). • Total, 1,507,505.
Density, 82/km2 (210/sq mi).

Ok check the fuse if that's ok and you have a multi-meter check you have power at the circuit board if this is all correct it may just be a faulty switch which isn't a great expense. All parts are the same for the Moser Max 45 and can be viewed below.

http://www.angliaclipperservices.com/Clipper_Parts

Try oiling clipers and shave slow and easy

Contact your nearest Wahl agency www.wahl.com