That shouldn't be possible unless the indicator bulb is burned out.The power indicator light is off when I turn on the trainer. The other two power sources (12V and -12V work as usual).
The fuse is accessible from the back of the unit. It'll either be something you can turn by hand (pressing in before turning counter clockwise), or have a slot for a coin or screwdriver (still need to press in before turning). Unplug the unit before attempting to do this.How do I access the fuse?
Replace any defective components. It looks like the 5V regulator is mounted on the chassis; though you still need to open the unit to remove it. Besides the regulator, there's only a bridge rectifier, filter cap, and a cap+LED+resistor on the output.So what would I do if the regulator was bad?
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by Mark Hughes
by Jake Hertz
by Jake Hertz