28
10月The fuse links indicate that the internal circuit of the switch power supply is in short circuit or over current fault.28
10月DC voltage output, but the output DC voltage is too low28
10月There are DC voltage output, but the output voltage is too high28
10月No DC voltage output, but the fuse is in good condition28
10月Power supply load capacity is poor28
10月No DC voltage output or voltage output is not stable28
10月The fuse links indicate that the internal circuit of the switch power supply ...