Question about Coleman Mach 15 Air Conditioner

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Coleman mach thermostat makes clicking sound a/c won't come on

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

koolbreezes
  • 540 Answers

SOURCE: coleman mach air

Time for a spring cleanning,, especially the drainnage system, filter,, front cooling coils-and the drain line! thank you-very-much!

Posted on Aug 28, 2008

  • 1 Answer

SOURCE: Compressor will not come on. Fan runs great.

I fixed it. I had a dirty connection on the starter relay for the compressor. Thanks again for the help.

Posted on May 18, 2009

  • 127 Answers

SOURCE: Coleman Mach 15 AC just quit. no compressor sound, no fan

If this is a ducted unit, check the thermostat. It has a fuse for protection that may have blown. If the fuse is fine and you have power to the upper units control box, check for 120V incoming power at the control box and also check for incoming 12V on the Yellow and GH wires when tstat is set to high cool.

Hope this helps.

Posted on Jul 04, 2009

  • 20 Answers

SOURCE: we have a Mach III coleman AC unit... a little

Sounds like the evap coil is dirty or its low on freon.

Posted on Aug 31, 2009

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If this is a ducted unit, check the thermostat. It has a fuse for protection that may have blown. If the fuse is fine and you have power to the upper units control box, check for 120V incoming power at the control box and also check for incoming 12V on the Yellow and GH wires when tstat is set to high cool.

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Sounds like you have a bad thermostat or a short in the wiring. The clicking that you are hearing in the ceiling is a relay in the control board. When this happens, remove the face plate from the thermostat and check for 12VDC between the Blue and the White wires. If there is power then you have a bad thermostat. If there is not power there, then the problem is elsewhere. However, it sounds as if you have a bad thermostat.

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GO TO
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Click on type of AC, if you can’t find the information you want there,
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