My Converter makes a humming noise all the time ( not loud) but i can hear it ...i keep my Coach plugged in all the time...
is it suppose to make this noise even when nothing is on?
Thanks
If it's a converter/chrarger, then it is probably just keeping your batteries charged. This is why it's a good idea to check your electrolyte level monthly.
Craig
My wife does all the driving - I just hold the steering wheel...
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Craig P. wrote: If it's a converter/chrarger, then it is probably just keeping your batteries charged. This is why it's a good idea to check your electrolyte level monthly.
Craig
Yup, check you electrolyte level in your batteries. Mine started turning on the fan when I'd turn on the lights last August while plugged in. I thought, "How odd". Well I went out to check on it a couple weeks later in the garage and had cooked the battery. 1/3rd of the electrolyte was gone, OUCH. Thankfully my battery dealer had 125 Ahr AGM's "Blems" for 136.50 out the door.
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The power converter does, in fact, run all the time when it is plugged in. It is supposed to.
There are, for the purpose of this post, basically two types of converters, Modern 3-stage converters are USUALLY switching power supplies, I won't go into how these work but they do not usually hum at you.
Some older units have a big iron core transformer, These may be multi-stage, or not, The core is made of layer after layer of iron "Leaves" which are varnished. The varnish holds them together, but with age and heat and vibration (induced by the magnetic field of the coils) the varnish fails and the leaves vibrate.. and hum at you.
It does NOT indicate a problem.
Nothin adds excitment like something that is none of your business
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