Question about Coleman Hot Water On Demand

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New ignition no sparking noise nothing at all

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  • m_s_drew Apr 06, 2011

    Thank you .It you happened to be the fuse inside the circuit board had blown ,this then gave me the ignition spark back.Then to find the pump was broken as well.

  • Grant Watson Oct 17, 2012

    I had the same problem with my unit. I worked out it was the fuse on the main board. This had blown due to the pump being seized and drawing too much power.



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There is a flow demand sensor in the tubing that must be able to sense water flow or nothing will happen. If there is debris in the sensor.... then it will not light. Also is the pump running at all? If the pump is not running check the wires at the battery connector to see if there is a broken or improperly connected terminal. Lastly make sure the propane bottle is properly installed.
I recommend you attempt this:
You can back flow the heater by disconnecting the pump / and placing / gripping a plastic bag with about 1 qt of water over the outlet hose. Then siphon water backward through the heater to clear any debris introduced via the pump. (Been there done this.)
If this does not work feel free to seek another Expert. Just passing on my personal experience with this heater.

Thanks for choosing FixYa,

Posted on Apr 04, 2011


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