I turn on the heater on my Amana heater and a/c unit and only blows cold air, it seen to be working good but does not heat jose lopez, it appear that your unit actually has a self diagnostics mode. Try this from the manual If a failure is detected on the digital board, there will be a green light constantly lit up. This light is located under the OFF touch pad button. The board will need to be programed into the Diagnostic Maintenance & Status Report mode to determine the failure and the procedures to correct the failure. DIAGNOSTIC MAINTENANCE & STATUS REPORT To enter Diagnostic Status Report mode, press and hold the up and down arrows and, while holding, quickly press the COOL key twice. • If there are no active failures or lockouts, the display will show a double dash, “- -”. If there is a code listed, see the unit “Diagnostic Codes” chart for a list of definitions. • If not in Diagnostic Status Report Mode, enter as instructed above and press the Fan Speed key.• If already in Diagnostic Status Report mode, press the Fan Speed key.

The display will show the temperature of the desired set point, SP; the temperature at the wireless thermostat, rL; the indoor ambient temperature behind the filter, IA; hvac unit 36 examthe indoor coil temperature, IC;the indoor discharge air temperature, Id; ac unit rumblingthe outdoor coil temperature, OC; sleeper cab ac unitsthe outdoor ambient temperature, OA;and the spare probe temperature, IH. If any of the probes are not populated the display will show the corresponding failure code. • If not in Diagnostic Status Report Mode, enter as instructed above and press the Fan Speed key twice. • If already in Diagnostic Status Report mode, press the Fan Speed key. While the display is showing operating temperatures, the last 10 failure codes active or past can be requested by pressing the Fan Speed key again.

The codes are displayed last entry first followed subsequently by each preceding code. Note that modes F1 and Fd are also displayed in the normal control operation (see “Diagnostic Codes” chart). To exit Diagnostic Status Report mode, press the OFF key." This might generate an error code that we can research. Give it a try and let us know. Here is some basic checking you can do. Take off the case and remove the top 1/2 of the controller board carefully. On the top there will be 2 brown wires for heater 1 heater 2, using a milti-meter check for 220V across those 2 terminals. If you do have power then you have an issue with your heating coil. If you do not see voltage then you have an issue with your controller board. Now if you want to test the heating coil just shut off the unit and unplug it from the wall. unhook those 2 cables for the heater and run an ohms test. If you don't see anything chances are one of the high limit switches went there are 2.

You should be able to carefully remove the heating coil and test each switch for resistance and go to your local plumbing supply store to get a new coil or call amana and get the new coils. make sure there is no furniture in front of the unit, that will cause the unit to short cycle because the temp is satisfied to soon. Amana air conditioner wall and window units are built from the ground up using only the most technological advancements in air conditioners in the HVAC industry. Amana has features in its air conditioner and heater like Digismart and environmentally friendly R410a refrigerant. Amana, lasts and lasts and lasts. From the beginning, every Amana air conditioner or PTAC has been made with the same core philosophy, to provide our customers with high-quality air conditioners that are reliable, meet their needs, and last longer than the rest. And we keep that philosophy firmly in mind as we build our industry-leading Amana PTAC Air Conditioners, Room air conditioners and heating products.

Whether it's for your home, hotel or hospitality industry, Amana brand PTACs and room air conditioners are designed to simplify your life with plain-and-simple product durability and advanced energy management features. About Amana Air Conditioners... Generations of Americans have trusted the Amana brand for heating and cooling systems that outlast the others. Today, everyone associated with the Amana brand is proud of that history, and they remain true to their principles of integrity and dependability. How do they do it?Amana Air Conditioner Puesta En EscenaAire Acondicionado De VentanaAre you taking the necessary steps to ensure your Amana furnace and air conditioner is able to meet your home or business HVAC needs?  In order to provide the best service and maintenance for our customer’s Amana HVAC equipment, Hoffmann Brothers offers maintenance agreements for Amana furnaces, air conditioners, and heat pumps.  Annual maintenance from Hoffmann Brothers is designed to ensure the continued safe and efficient operation of your Amana furnace, air conditioner, or heat pump. 

Regularly scheduled maintenance of your Amana commercial hvac systems or residential HVAC system by the professionals at Hoffmann Brothers will ensure that your equipment continues to meet your home comfort needs.  Let the professionals at Hoffmann Brothers assist you with all of your heating, cooling, and ventilation repair needs.  Give us a call at (314)-664-3011. Amana Furnace St LouisIs your residential or commercial HVAC system in need of service or repair?  Experience the industry’s best heating and cooling service from our highly qualified team of service technicians.  The Hoffmann Brothers team has a proven track record of providing exceptional service to our Saint Louis based commercial and residential HVAC customers for over 30 years.  As Saint Louis’ premier Amana equipment repair company, Hoffmann Brothers HVAC utilizes cutting edge industry practices and provides outstanding service to ensure you have the best overall customer experience possible.  Call the Hoffmann Brothers team at (314)-664-3011 and we will get started identifying the right solution for your home or business HVAC needs.