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dead electric switches
The switches at left side near entery door, right side of passenger seat and behind drivers seat all went dead at the same time. Can’t find a blown fuse. Any ideas? thanks Rick
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10 Replies
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Look for a tripped GFCI Rick.
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Rick do you mean they won’t light up any more or that you can not turn the lights on with those switches????
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What is not working? I pretty well understand pannel on your vintage coach from prevost. Like was mentioned look for a red tab on breaker out of place. That might be feed to converter side. both 12 and 24 v come together in box below side drivers window from rear pannel. If your 12 or 24 is cancelled from rear juct box or master (not turned on) that can result in power loss if 12 breaker is tripped on vanner it will cancel 12 V feed to front. Just a few thoughts to start with.
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Rick,
Given the variety of functions on the switch panels you describe ranging from bay and door locks, master light switches, floor slide, entry lights, switch light master, etc. I suspect the key is to find what is common to all three switch panels. Is there a PLC that has gone black? Is there a common ribbon cable connector? etc.
Some one familiar with how Liberty set up their electrical distribution associated with the wide variation of functions on those panels can probably point you in the right direction. Is it possible a reboot of the PLCs (using the key next to the PLC bank) will restore the functions? All of the above are nothing but guesses so don’t do anything unless somebody that really knows what they are talking about answers the question.
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None of the switches work at all. Not a gfi,all plc ok and all red tab breakers ok. Seems to me this happened once before and was a simple fix. Will call liberty in the morning. Thanks Rick
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Rick,
I thought you were talking about AC not DC, sorry.
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Depending on what functions Rick has on those panels he has the potential to have 12, 24 and 120 devices controlled. I am curious about what he finds out from Liberty.
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Problem solved! Taked to Troy at Liberty and he said to look for a module in electric bay with 30 I O on it. May be bad. No such module. However there is a wire on fuse panel with 30 I O on it. Checked fuse again still good. I pulled fuse waited 10 secs and put back in. Heard click now working. I guess something had to reset. Rick
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See my previous post in which I guessed a reboot might work.
I had to turn off all power to my coach and when I powered it back up I had a malfiunct. The damn thing only partially worked. So I removed power and started applying it again. The second time things worked as they should.
My greatest fear is the day when a reboot won’t work.
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Mine did the same thing Jon it worked to reboot it three times then it did not so new crestron , so it’s not if it craps out its when it craps out!!!!! The crestron screens would all go blank, no control of anything!!!
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