<p>Provided is a load driving method comprising the following steps: a step (a) of judging whether or not a load driving instruction is input (S101), a step (b) of judging, in the case where the judgment in the step (a) is affirmative, whether or not an alternating current signal is included in the input voltage (S102), and a step (c) of executing processing in accordance with the load driving instruction in the case where the judgment in the step (b) is negative (S103) or suspending the processing in the case where the judgment is affirmative.</p>
