If the LCD screen is blank upon unboxing, the internal battery likely needs a charge.
The Chevron EW-32 is a versatile 7-day electronic timer designed for indoor use. 250VAC, 50Hz. Maximum Load: 13A, 3120W (resistive). Programming: Up to 20 different ON/OFF programs per day. chevron digital timer ew-32 pdf
Internal NiMH 1.2V battery (provides >100 hours of standby). Time Accuracy: Approximately ±1 minute per month. Initial Setup & Charging If the LCD screen is blank upon unboxing,