How to repair a carrier window unit heater?

You will need:

- A Phillips head screwdriver

- A flathead screwdriver

- A set of hex keys

- A putty knife

- A caulk gun

- A can of compressed air

- A can of WD-40

- A new fan motor (if necessary)

- A new heating element (if necessary)

- Safety glasses

- Work gloves

Step 2: Disconnect the power to the heater.

Before you begin any work on the heater, be sure to disconnect the power to the unit to prevent electrical shock.

Step 3: Remove the front panel of the heater.

Use a Phillips head screwdriver to remove the screws that hold the front panel of the heater in place. Once the screws are removed, carefully pull the front panel off of the heater.

Step 4: Inspect the fan motor.

The fan motor is located behind the front panel of the heater. Inspect the fan motor for any signs of damage, such as loose wires, broken blades, or rust. If the fan motor is damaged, it will need to be replaced.

Step 5: Inspect the heating element.

The heating element is located behind the fan motor. Inspect the heating element for any signs of damage, such as burned or cracked wires, or rust. If the heating element is damaged, it will need to be replaced.

Step 6: Clean the heater.

Use a can of compressed air to clean the dust and dirt out of the heater. Be sure to clean the fan blades, the heating element, and the coils.

Step 7: Lubricate the fan motor.

Use a few drops of WD-40 to lubricate the fan motor. Be sure to lubricate the bearings and the shaft.

Step 8: Reinstall the front panel of the heater.

Carefully replace the front panel of the heater and secure it with the screws that you removed in Step 3.

Step 9: Test the heater.

Turn on the power to the heater and test it to make sure that it is working properly. The fan motor should come on and the heating element should start to heat up.

Step 10: Enjoy your repaired heater!

Once you have repaired your heater, you can enjoy the warmth and comfort of your home all winter long.

Troubleshooting:

If the heater is not working properly, there are a few things you can check:

- Check the power cord to make sure that it is properly plugged in.

- Check the circuit breaker to make sure that it is not tripped.

- Reset the heater by turning it off and then back on.

- Check the air filter to make sure that it is clean.

- If the heater is still not working properly, you may need to call a professional repair technician.