20 Most Recent Coleman Hot Water On Demand Questions & Answers


as it is gas , it will be best to replace the unit rather than try to fix yourself
gas is not in the diy domain so if you want to fix it take it to an accreditted gas shop for the repair

Coleman Hot... | Answered on May 15, 2017


Re-assemble the knob in the high range of the warm position, about 180 degrees from the "OFF" position. Install the long prong of the spring inwards (away from you as you look at the knob). That prong has to go in between the metal stop bar (again, about 180 degrees from "OFF") and a ridge on the inner knob. You should be able to reinstall everything while the spring is loose in this position. The only time you'll feel spring tension is if you rotate the knob counterclockwise towards "HOT". You won't feel any spring tension as you rotate the know clockwise back towards "OFF".

I figured it out after a fresh start in about 5 minutes.

Coleman Hot... | Answered on Apr 08, 2017


If it is out of warranty there is a fuse inside them that is covered with a light rubber coating, it is the common glass style fuse. That may be causing your issue assuming the battery is ok. The batteries die regularly too especially if it hasnt been charged and is sitting around.

Coleman Hot... | Answered on Mar 24, 2016


Gas regulator is no good.

Coleman Hot... | Answered on Nov 07, 2015


You may have blown the internal fuse. Remove side cover, locate the circuit board and fuse, replace and reseal reinstall side cover.

Coleman Hot... | Answered on Feb 03, 2015


If the lead acid rechargeable battery hasn't been charged for a while (like over the winter) it can lose its "memory". Try leaving it plugged in and charging for two or three days - it might fix the problem.

Coleman Hot... | Answered on Aug 18, 2014


More than likely the internal fuse will have blown.
Steps: Remove a side of the housing (about seven screws) (even one under the knob decal) locate the circuit board in upper front area. locate fuse on circuit board behind water seal remove and replace fuse and reseal refit circuit board refit housing and decal cross your fingers, say a prayer, ready for testing now your there...good luck !

Coleman Hot... | Answered on Aug 12, 2014


There's s short circuit somewhere in the device.

Coleman Hot... | Answered on Jul 13, 2014


The fuse is located in the electronic panel Inside the unit.
If you change the fuse,disasemble the unit.
Check the water pump before replace fuse(use a needle for check
if the water pump impeller rotate freely)

Coleman Hot... | Answered on Jul 13, 2014


I'm also having this problem. I followed this instruction here https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCIQtwIwAA&url=http%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3D3Z-3m4Ljwiw&ei=_I_CU67VPOX40gXdh4CwAg&usg=AFQjCNEdQWJT57Exs-Nxbo4tTzZqJh8EFQ&sig2=W958m0FF8xR_8ki2hYStUg&bvm=bv.70810081,d.d2k

but it didn't fix it. There are a number of sensors which I guess need to be satisified in order for the gas valve to open.
1. water has to be flowing
2. water temperature mustn't be too hot
and
3. A tilt switch to make sure it's upright
I guess any of these could be at fault or have a problem. The difficulty I am having is getting a meter in the cramped internal to check them.

Coleman Hot... | Answered on Jul 13, 2014


Hi, you may want to check that you are depressing the temperature control knob on the front before turning for the pizzo ignition to work.
Hope this helps.

Coleman Hot... | Answered on Jun 17, 2014

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checked fuse ok works cold but not hot

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