2
3. Warning signals
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3.1 Warning and alarm signals
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3.2 Examples
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3.2.1 Stopping during the ride
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3.2.2 Obstacle on the staircase
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3.2.3 Batteries not sufficiently charged
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4. Maintenance and service
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4.1 Cleaning
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4.2 Changing the batteries of the call and send station
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4.3 Preventive maintenance
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4.4 Technical specifications
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4.5 Contact
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