Electric working machine

An electric working machine comprising:

• a machine body;
• a battery mounted on the machine body;
• an electric motor to be driven by electric power from the battery;
• a hydraulic device to be actuated by power from the electric motor;
• a working device to be actuated by a hydraulic pressure of a hydraulic fluid supplied from the hydraulic device;
• a controller configured or programmed to control driving of the electric motor;
• a switch operable to be switched between a first position to permit actuation of the working device and a second position to not permit the actuation of the working device;
• and
• a fluid temperature detector to detect a temperature of the hydraulic fluid;
• wherein
• when the switch is in the first position and the working device has not been actuated for a predetermined time or longer, the controller is configured or programmed to:
• if the temperature of the hydraulic fluid is lower than a predetermined allowable temperature range, control a rotational speed of the electric motor to coincide with a predetermined third rotational speed higher than a predetermined first rotational speed corresponding to a stopped state of the electric motor and lower than or equal to a lower limit of a rotational speed when the working device performs work;
• and
• if the temperature of the hydraulic fluid is higher than or equal to a lower limit of the predetermined allowable temperature range, control the rotational speed of the electric motor to a predetermined second rotational speed higher than the first rotational speed and lower than the third rotational speed.