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Common Electric Furnace Troubleshooting
Checking your Control Thermostat
Is the thermostat's system selector switch in the "heat" position?
Is the thermostat's temperature set point at least three degrees higher than the temperature inside?Is your thermostat is electronic? Some electronic thermostats operate from batteries and if they okay the LCD display should be visible. Many times if the LCD display is not visible this may also indicated that the power to the furnace is off (see below). If you think you have a thermostat that runs off of batteries you can usually change the batteries by carefully removing the thermostat from the wall mount as the batteries are generally located inside the thermostat.
You can test your thermostat if it has switch or button to control the indoor blower or fan, switch it to "on." If the thermostat does not have a fan switch, simply by adjustment the set point to call for heat should start the fan or blower immediately. Listen to hear if the blower or fan comes on. If you do not hear any fan or there is no air coming from your supply registers then check to be sure the power is on at the indoor unit. (see below) If the power is on and you do not hear the fan running this may indicate that you have a bad capacitor, blower motor or other common control issue.
Is your thermostat working have you checked to be sure the thermostat call for heat is present at the furnace?
Checking your Power or Electrical
If the fan still does not operate check to see if any electrical panel circuit breakers are tripped. Usually if a circuit breaker has tripped it will not be fully in the "on" position. To reset the circuit breaker turn it off all the way and then back on.
Your Electric Furnace may have circuit breakers at the indoor unit but all electric furnaces should have a double pole breaker in the household circuit breaker panel. You will need to check both locations to be sure all power is on. Some models may have a disconnect switch or breaker box located just outside the unit but most newer models will have these breakers located inside the unit.
How your electric furnace operates
The electric furnace generally will turn on both the fan or blower and the electric heating elements at the same time, many electric furnaces have more than one heating element and in many cases each element may be sequenced or switched on at different times or temperatures.These elements are controlled several different ways and there are several different types of overload and/or high temperature limit devices. Most if not all these control and safety limit devices are located inside the high voltage compartment and it is strongly recommended that you call a qualified service company to repair the electric furnace.
SAFETY FIRST!
These easy to understand HVAC maintenance tips are for common tasks that
almost any homeowner can perform. Please do not perform these tips if
you are not comfortable performing
them. Electricity is dangerous and can cause serious injury or death,
always assume electrical power is on unless you have checked it with an
appropriate electrical meter. Understanding Electrical Circuits and Standard Household Voltages Heating and Air Conditioning Equipment have many moving parts such as fans and other devices, Always stay clear of fans and other moving parts as they can start at any time. Many electrical heating equipment operate at high voltages. All gas equipment and many other types operate using either natural or propane gas or fuel oil, always use extreme caution when working with flammable sources. It is always required to secure the power and gas or oil off to any equipment or appliance before performing service or repairs. Ameri-Serv, Inc. assumes no liability for
the use of the information provided on this website. Please always use common sense and make sure the electrical power is off before opening and accessing the inside of any equipment or appliance. Reaching into anything with electrical or moving parts can result is serious injury. Remember Safety is Always First
ASI's Heating Related Articles
  If
your Gas Furnace is an older gas furnace (usually 10 plus years old) it
may have a standing pilot light like a water heater, if this is the
case carefully follow the instructions on the furnace to light the
pilot. Some models have an intermittent pilot light or spark ignition
and you can usually hear the the system try to light the pilot flame
with a spark .. |
  Maintaining
your gas heating furnace system is important both to help make the
system last longer and to help keep the operating costs as low as
possible. All furnaces should be cleaned and inspected annually and
there are some things you can do yourself to save money but everyone
should call a qualified technician to inspect the system every fall as
well as to make any necessary repairs. |
  The
first thing that must happen is that the control thermostat must
provide a voltage signal to the furnace heating unit. The thermostat can
be most understood as simply a switch that turns a low voltage 24 volt
power on and off to the respective terminals. In the case of the
thermostat calling for heat the thermostat switches on the .. |
  Homeowners
can help prevent failure of their oil or gas furnace heat exchanger by
simply maintaining their system regularly. This includes having an
annual inspection of the system which should always including cleaning
of the blower and cabinet. More importantly the homeowner needs to make
sure that they maintain and clean or change their system air filters |
| ASI's HVAC and Home Improvement Articles Your money is literally flowing right out of your roof and crawl space! I can easily say that everyone has this problem, if you have an attic space and we all do, then you are wasting countless dollars every minute of every day. Easy Do It Yourself Energy Savings! Great Energy Savings from Hybrid or Dual Fuel Systems With the threat of energy prices increasing every year the idea of high efficiency and energy savings becomes more and more real to residents of the hydroelectric charged northwest. One approach that is very popular today is called a “dual fuel” heating system. First let’s define what a dual fuel system... The Geo-Thermal System Explained in a Nut Shell Geothermal is by far the highest efficiency heating and cooling system available today. While the systems require up to three times more investment upfront than a conventional heating and cooling system... Ameri-Serv, Inc. Heating and Cooling News Ameri-Serv Inc Helping the Treasure Valley Community Ameri-Serv, Inc. Heating and Cooling has successfully helped dozens of Treasure Valley Families with thousands of dollars worth of free maintenance services and repairs through this holiday... |
 
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Breaking News: The Cost to Repair your old Air Conditioner just Skyrocketed
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13601 W McMillan Rd Suite 102-120 Boise, Idaho 83713 Office (208) 342-4328 Fax (208) 906-1282
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Copyright 2011. ASI Heating and Cooling a Division of Ameri-Serv, Inc. All rights reserved