treygroesbeck2000 Posted April 3, 2020 Report Share Posted April 3, 2020 I have inherited a Coleman horizon 400 hot tub that had two separate handy men work on it. They got nothing. I have got everything going... pumps, lights, bubbler, everything except the heater. I removed it and wired it directly to the breaker which I turned on for about four seconds to see if it would get warm, which it did. I put it back in and wired it to the diagram’s specifications. Ohmmeter was used to check all fuses and both legs of 120. All good. Bought new pressure relief sensor. Still nada. Any ideas? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 3, 2020 Report Share Posted April 3, 2020 Can you post a pic of your control box? Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted April 3, 2020 Report Share Posted April 3, 2020 Disconnect the heater from the board and test for 240V coming off the board. If you have 240V off the board then replace the heater if you do not get 240 v off the board then you have other issues but lets start there. Also remove the filters until you find the issue. Take them out of the equation all together. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 3, 2020 Report Share Posted April 3, 2020 1991 coleman may not be digital. Hence the control pic request. I need to know what it is. Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted April 3, 2020 Report Share Posted April 3, 2020 Where did you see 1991? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 3, 2020 Report Share Posted April 3, 2020 In the title of the post. Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted April 3, 2020 Report Share Posted April 3, 2020 1 point to RD. I submit Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 3, 2020 Report Share Posted April 3, 2020 I didn't realize we were keeping score. Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted April 3, 2020 Report Share Posted April 3, 2020 Yeah and you're down by 20 Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 3, 2020 Report Share Posted April 3, 2020 That's typical. Quote Link to comment Share on other sites More sharing options...
treygroesbeck2000 Posted April 10, 2020 Author Report Share Posted April 10, 2020 Hey guys sorry for the late response. Not getting 240 off the board. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 10, 2020 Report Share Posted April 10, 2020 Can you post a pic of the controls? Quote Link to comment Share on other sites More sharing options...
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