How do I replace the heating elembent in a frigidaire FRAM18ER2A ac/heating UNIT

A humming sound coming from your Frigidaire AC wall unit after it has been powered off could be due to a few different reasons.
I can provide some potential explanations and troubleshooting steps to consider:

• FAN MOTOR
• THERMOSTATE DELAY
• ELECTRICAL ISSUE
• REFRIGERANT FLOW
• OTHER MECHANICAL ISSUES

It sounds like you may be experiencing issues with the heating element on your Frigidaire window AC/Heater combo unit. Here are a few things you can try to troubleshoot the problem:

1. Check the thermostat: Make sure that the thermostat is set to "Heat" and that the temperature is set to a level high enough to activate the heating element.
2. Check the air filter: A dirty air filter can restrict airflow and prevent the heating element from functioning properly. Clean or replace the air filter if necessary.
3. Check the heating element: The heating element may be faulty and needs to be replaced. Consult the manufacturer's manual or contact the manufacturer's customer service for further assistance.
4. Check the blower motor: The blower motor may be malfunctioning and needs to be replaced by a professional technician.
5. Check the wiring: Check the wiring and connections, ensure that all the wiring is securely connected and that there is no damage to the wires.
6. Check the fuses: Make sure that all the fuses are working properly and that they are not blown or tripped.

Keep in mind that attempting to repair an AC/Heater unit can be dangerous if you are not familiar with the proper procedures and safety precautions. It's best to let a professional technician handle the repair.
If the problem persists, it's recommended to contact the manufacturer's customer service or a professional technician for further assistance. They can inspect the unit and determine the cause of the problem and provide a solution.
Regenerate response

There are a few possible reasons why an Electrolux window AC unit may be blowing cold air when set to heat mode. Here are a few things you can try to fix the problem:

1. Check the thermostat settings: Make sure that the thermostat is set to "heat" mode and that the temperature is set higher than the current room temperature.
2. Clean the air filter: A dirty air filter can restrict airflow and prevent the unit from heating properly. Clean or replace the filter according to the manufacturer's instructions.
3. Check the air ducts: Make sure that all of the air ducts are properly connected and that there are no leaks or blockages.
4. Check the compressor: If the compressor is not running, the unit will not heat. Make sure that the compressor is running and that the compressor's fan is functioning properly.
5. Inspect the heating element: Make sure that the heating element is not broken or damaged and check the continuity with a multimeter.
6. Contact the manufacturer or a professional technician if the problem persists or you are unable to troubleshoot the issue.

Note: Before you start troubleshooting, make sure to turn off the power to the unit and unplug it from the electrical outlet.

Have you drained the water?

Is this an electric unit or does it run on fuel?

Your water valve has gone bad and needs to be replaced. You can try turning the machine on and off to try to cycle the water supply valve. It may just be stuck. If you are able to get it to work eventually it will have to be replaced. The water valve is a solenoid valve that the washer controller opens and closes depending on the size of the load you have entered into the controls.

I didn't think portable acs have tstats. What's the model number?

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You've placed this problem on wrong place. Re-post it.
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This unit is a 220 volt ac unit. 12-2 wiring is usually for 120 violt circuits?

Amps: 22.2 / 20.0

Watts (Heat): 4900 / 4000

Watts (Cool): 1650 / 1625

Amps (Cool): 7.7 / 8.3

Voltage Rating: 230V / 208V 60Hz

Power Cord Length: 5' (6')

Horsepower (Cool): 2.49

Plug Type: LCDI 6-30P

http://www.frigidaire.com/Home-Comfort/Air-Conditioning/Window-Mounted-AC/FFRH1822R2

hope this helps?

The problem was in the power cord. I didn't have to disconnect the heat after all.