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If the appliance is switched on with a discharged battery, the appliance is switched off by a protective circuit. The LED 4 flashes. Following automatic disconnection, stop pressing the On button 2. The battery may be damaged. Important information Before using the appliance for the first time, fully charge the base unit (approx. 2 hours). The base unit may become warm during the charging process. Fig. 5 • Insert power supply unit 7. • Insert base unit 1 into the charging station 6. When