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Operations cannot be performed through the remote control unit
Operations cannot be performed through the remote control unit.
Battery is worn out. Replace with new battery. link
Operate the remote control unit within a distance of about 7 m from this unit and at an angle of within 30°. link
Remove any obstacle between this unit and the remote control unit.
The coin-shaped lithium battery (CR2025) is not positioned correctly. Correct the positioning so that the symbol engraved on the battery faces upwards. link
This unit’s remote control sensor is exposed to strong light (direct sunlight, inverter type fluorescent bulb light, etc.). Move this unit to a place in which the remote control sensor will not be exposed to strong light.