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Heat pump does not shut off properly. It reaches the set temp and continues to go on and off but I have continual heat build up ( plus 5 to 10 degrees) until I manually shut it off!

Post created: 2013-02-21 Type of Equipment: Heat Pump Views: 115

This question was created on the page: https://www.furnacecompare.com/heat-pumps/index.html.

This is the first season of operation. The local Daikin Co. has sent tech 5x with no resolution. Sometimes a phone call is not returned. There is a continual build up of heat until the unit is manually shut off.


On 2013-02-21 JB wrote:

Since the tech has been out five times without any results it is more than likely he checked the thermostat to be sure it isn't malfunctioning. If the thermostat is the problem it could be that it is sending a steady signal for heat.

Also, was a technician out prior to this problem occurring? If so it may be possible that a wire between the thermostat and the heat pump is not properly connected.

It may also be a relay that is stuck in an on position, which would prevent the heat pump from shutting down properly. Or perhaps a problem in the circuit board.

There are two good threads here: http://www.doityourself.com/forum/heat-pumps-electric-home-heating/191338-heat-wont-turn-off-help-please.html and here: http://www.askmehelpdesk.com/heating-air-conditioning/heat-pump-wont-turn-off-152879.html.

Beyond these general ideas it is hard to be sure what it could be. Maybe a new set of eyes on the problem would help (e.g. another HVAC tech). As always, it is recommended that you not try to fix the problem yourself, but it is a good idea in this situation to look for alternative solutions to propose to an HVAC tech.

To keep legal happy, let me just say that I am not an HVAC contractor, and you should never even look at your furnace without having a qualified, liability accepting HVAC contractor present.  To keep sales happy, let me just say that you can find an HVAC contractor that's happy to take your money here: http://www.furnacecompare.com/perl/find_contractors.pl.


On 2013-02-21 paul Magic wrote:

Thank you for the info!!!


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