Follow each step carefully.
Press the power button and unplug the machine from the outlet.
Unscrew the screws on the bottom panel and carefully lift it off.
Identify the heater located at the bottom front of the machine.
Carefully disconnect the wires attached to the heater terminals.
Use a screwdriver to unscrew the heater from its mounting.
Gently pull the heater out from its compartment for inspection or replacement.