In a power management apparatus communicable with a controller of an electrical load via a communication interface, the power management apparatus includes a control power generator configured to generate control power and supply the control power to the controller, and a reset terminal connected to the controller. The power management apparatus includes a reset control circuit configured to transmit a reset control signal from the reset terminal to the controller for controlling resetting of the controller, and a storage unit accessible by the controller via the communication interface. The power management apparatus includes a check unit configured to check for a state of the reset terminal, and store a checked result of the state of the reset terminal in the storage unit.