He pushed the handle up to 'On'.
While your manual may have slight variations, here is the generic correct procedure for a Multi 9 Ic 2000 P auxiliary device.
Even with a manual, problems can arise. Below are typical issues and solutions derived from Merlin Gerin documentation.
The is a programmable twilight switch that combines a light-sensitive sensor with a 7-day time switch for precise lighting control. This device is highly regarded for its reliability and professional-grade build, though many users find the manual and programming interface somewhat difficult to navigate . Product Overview & Key Features
