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Old 09-26-2013, 07:34 AM   #1
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??? Hear a fan running???

Curious ... Our 2014 a 122bh is plugged in at home, hear a fan running inside, was curious if it is the co2 detector or gas leak detected?? hear it under the table area. Don't want something running all the time when plugged in.
We are getting ready to spend 10 days in the keys, 2 days in the Everglades, 3 days near key west and 4 days in middle keys, going to do some paddle boarding, biking, snorkeling. And want to revisit ft Jefferson. Looking forward to it!
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Old 09-26-2013, 07:38 AM   #2
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Sounds like it's the Converter 120 volt to 12 volt for lights etc.
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Old 09-26-2013, 07:44 AM   #3
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Quote:
Originally Posted by cfsoistman View Post
Sounds like it's the Converter 120 volt to 12 volt for lights etc.
Agree. Try turning off all lights as would be the case if you were going
to bed.
Does the fan stop??
Are your batteries charged? Mine runs when I first plug in but stops
after a bit unless we turn on too many lights.
It never runs at night.
I hope yours doesn't either. I wouldn't want one that did!

Some refrigerators now have a cooling fan in back. You should be
able to hear that from outside near the back of the fridge.
Yours seems more likely the converter.
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Old 09-26-2013, 11:24 AM   #4
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As other said, it is most likely the converter, but you need to stick you head under the table and make sure. The fan will run when the converter is heating up under a moderate to heavy load. In addition to other suggestions, make sure your 12 volt fridge circuit is turned off.
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Old 09-29-2013, 08:17 PM   #5
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The converter fan will run if it is in rapid-charge mode (ie, the battery is mostly dead) in order to keep cool. Once it switches to trickle mode, it doesn't produce enough heat to require cooling.

The 12v DC fridge circuit can suck a battery dry, so make sure it's off unless you are actually travelling. Also, if your water pump is turned on, but the water tank is empty, it will run and drain the battery rapidly (not that I've ever had that happen to me *innocent whistling*)
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Old 09-29-2013, 08:31 PM   #6
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i just heard mine doing this same thing this morning before we broke camp. it would run a bit, then stop. very intermittent. sometimes run for awhile, then stop briefly. kind of sounded like wind blowing past a drafty window (for lack of a better description) but not the high pitched whistle that goes with that. we were plugged in to 30amp recepticle, and it just started making this noise today? do i worry? what do i check.
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Old 09-29-2013, 10:08 PM   #7
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if it is the converter fan, it is NORMAL, It cycles on and off as it heats up when converting 110 volt to 12volt. If it stays on or stays off, now that is a problem.
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Old 09-29-2013, 10:59 PM   #8
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it was coming from the converter, and it switched on and off at various times/intervals. run for 2 or 10 seconds, then shut off for a few seconds, turn on for a few, stay off for longer,etc etc etc. nothing on but the fridge and some lights. too early in the morning to go outside as the rest of the campground had not woke up.
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Old 09-29-2013, 11:43 PM   #9
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it was coming from the converter, and it switched on and off at various times/intervals. run for 2 or 10 seconds, then shut off for a few seconds, turn on for a few, stay off for longer,etc etc etc. nothing on but the fridge and some lights. too early in the morning to go outside as the rest of the campground had not woke up.
That does seem a bit wierd. I would consider replacing the converter with a progressive industries unit.
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Old 09-30-2013, 09:01 AM   #10
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That does seem a bit wierd. I would consider replacing the converter with a progressive industries unit.
Progressive Dynamics
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