Step 1: The appliance should be disconnected from the power source and any capacitors should be discharged. This can be accomplished by connecting the probes of a multimeter together.
Step 2: The panel should be taken off from the appliance to gain access to the thermistor.
Step 3: The thermistor should be disconnected from the control board.
Step 4: Prior to attaching the new thermistor, it should ensure that the terminals and wires of the control board are wiped clean with a damp cloth.
Step 5: The new thermistor should be grabbed and the wires should be connected to their respective terminals. It should ensure that the wires are fastened securely.
Step 6: The thermistor should be reconnected to the control board.
Step 7: The appliance panel should be put back in place and it should be reconnected to the power supply.
Step 8: The thermistor's functionality should be verified by powering on the appliance to ensure it operates correctly.
Step 9: If everything functions as intended, the GE WJ26X25108 indoor air thermistor has been effectively replaced.
It is important to note that these instructions are served as general guidance and should always be referenced alongside the manufacturer's manual, if available.