Question about Heating & Cooling
The heater blows only cold air? No heat! It is a 7900-6021 model a guy came over to fix it and messed up wires! Know both are like a/c
The problem you have is likely not going to be solved this way. First you don't give us enough info on what type of system u have and second without a wiring schematic it is nearly impossible to fix without being there. Even being there it would take some time to figure out where the wiring is wrong. A more detailed description may help.
Posted on Apr 30, 2013
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Posted on Jan 02, 2017
SOURCE: Heater blowing out cold air
Yes you could have a bad overload on the heater element which is fairly simple to fix. To test for this pull the heater out and get an ohmeter set it to continuity and check the continuity first through the entire heater element then if there is none pin point the overloads and check to see which one has no continuity.
Posted on Dec 23, 2007
Check your thermostat and mode selector setting, thermostat setting should be set at warmer and mode selector setting should be at low heat or hight this is applicable for manual unit.
If it is a remote control just set the remote to heat mode.
Posted on Jan 12, 2008
Heat pumps have saftey circuits that prevent liquid flooding of the compressor. Inadequate airflow across the evaporator in cooling can trip this circuit. Have your package unit serviced with particular attention to cleaning the evaporator coil and be sure your filters are clean and changed frequently in the summer months. Hope this helps GL!
Posted on Jun 08, 2008
SOURCE: No heat, just cold air blowing
the problem you are having is usualy related to. #1 a high limit condition.(check the filter,then cycle the power off then on). Does the furnace have a diagnostic indicator?
Posted on Jan 11, 2009
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