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View Full Version : Problem with Coleman Hot Water on Demand system


MAsQue
05-21-2008, 03:01 PM
Has anyone had a problem with their Coleman Hot Water on Demand system? After one year of use, (great use - the thing has worked perfectly), it seems as though the on-off temperature adjustment knob has become stuck in a postion such that the battery is constantly draining, and I can't get the unit to come on. I've so far resisted the temptation to try the brute force method of trying to turn the knob back, but the spirit is weak and I don't know how long I can hold out without hope of some other way of fixing it. I've looked for a Coleman service center, but the only one in NY is in Jamestown, which is so far from Long Island that it is almost in Ohio. Anyone have any experience of working on these units that might be relevant to my problem?

Vince RnQ
05-21-2008, 04:12 PM
Is it possible that there is something stuck either on the side of or behind the knob itself which is keeping it from turning? I don't recall off the top of my head but isn't the knob held in place by a screw in the center of it? You might try unscrewing it and see if the knob is just being blocked.

That's the best I've got right now.

Bentley
05-21-2008, 04:40 PM
We have one...have no idea how to help you!

Brian in So Cal
05-21-2008, 06:08 PM
We have one...have no idea how to help you!

You are so helpful Bentley.:mrgreen:

Norcoredneck
05-21-2008, 07:15 PM
I don't have one but what do you have to lose. take battery out and rock knob to see if it will free up.

swamprb
05-21-2008, 09:14 PM
Is it possible the knob got jammed while in the ON position? Mine has to be pushed in and turned to the left to function. I was concerned about something like this happpening in transit, so far I've resisted getting the carry-bag for it and keep it in the box for protection. I recall a post on another site about other symptoms and they seemed to point to it not being fully charged or recharged before storage.

MAsQue
05-21-2008, 09:47 PM
I had also been keeping mine in the original box so it wouldn't get slammed around. Last weekend, I took it to Oyster Bay, it's first trip without the box because I wasn't bringing the trailer and was short on space. Possibly something hit it. It had been charged before I put it away for the winter, but had run down while in storage. If I hook it up to the charger, the charging indicator lights and eventually turns green to indicate a full charge. As soon as the charger is disconnected, the light switches to the low battery indicator. If I push the knob in and turn it, I can hear the relay clicking, and the unit fires up, but then cuts out immediately. The pump doesn't seem to be working at all. (I have checked to make sure the right side is up.) I have removed the knob from its mounting, but since I don't know what the innards looked like to begin with, I can't tell if anything looks wrong. It may be time to place a call to the company and see if they can help: I would really be annoyed with myself if I screwed up a $175 piece of equipment out of a stubborn refusal to get help with it.

blues_n_cues
05-21-2008, 09:59 PM
i have no clue but i have used similar things on boats-ran hot vinegar water through them to keep things clean(if it could be that)- like i said i have no clue but i'm researching & pricing units for my trailer now- think i'll stick w/ simple jabsco units

swamprb
05-21-2008, 10:05 PM
I know how you feel Brian! I got mine off craigslist, it had never been used, but they had the receipt for it. It comes with a 3 year warranty, I'd take it back to where you bought it and try for a replacement.

Bentley
05-21-2008, 10:42 PM
After reading your second post, it sounds like your rechargable battery is done. I would look for warrenty help to get it fixed also. Have no idea how you would check to see if battery is not holding charge...back to no help Mod!