During diagnostics, the thermostat called for the blower to turn on, and the control board responded correctly by sending the proper communication voltage to the motor.
Testing confirmed the blower motor was receiving the required 12-volt DC signal, but it failed to respond or start. This verified that the control board was operating normally and that the blower motor itself had failed.
A functioning blower motor is essential for circulating conditioned air throughout the home. Replacing a failed motor restores proper airflow and allows the HVAC system to heat and cool as designed.
Testing confirmed the blower motor was receiving the required 12-volt DC signal, but it failed to respond or start. This verified that the control board was operating normally and that the blower motor itself had failed.
A functioning blower motor is essential for circulating conditioned air throughout the home. Replacing a failed motor restores proper airflow and allows the HVAC system to heat and cool as designed.
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