Am I right to think this of which you speak would be for a person versed in the workings of a furnace and not for the lay person? At 03:36 PM 12/25/2009, you wrote: > > >If this just a electric furnace then one of the >many relays, sometimes called sequencer in a >electric furnace has the magnetic coil or a >contact not making. There should be some where >on the inner door of the unit a schematic or >wiring diagram. There are a number of these as >there a number of elements. There is likely >circuit breakers in the furnace also. Abad >element would likely trip only one of these. The >sequencing relays bring the elements on in order >rather than all at once which would cause >massive current surges. Doing it in stages >brings them on in steps that minimizes surges. >So a failure in the early stages stops the entire process. >Now if you have a heat pump with electric >furnace backup it becomes more involved with a >two stage thermostat. The heat pump should come >on with a minor temperature drop. When it drops >more the electric furnace should come on. A >thermostat failure could cause a problem. All >depends on many things. Really to follow a >diagram for the untrained to get anywhere. >Ron >----- Original Message ----- >From: Kevin Doucet >To: <mailto:blindhandyman%40yahoogroups.com>[email protected] >Sent: Friday, December 25, 2009 9:40 AM >Subject: [BlindHandyMan] help friend's electrick heat out > >Hi, > >A friend's electrick fernice has stopped working. The unit clicks and >starts blowing air when the target temp is raised above the current >indoor temp, but, it never gets hot or changes the indoor temp. > >We have reset all breakers but to no joy. > >Any ideas as what to try. > >Thanks for any help! > >[Non-text portions of this message have been removed] > >
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