Digital Multimeter cannot be switched on

Cause: Non-rechargeable batteries or lithium-ion battery pack (accessory) drained

Remedy: Change the non-rechargeable batteries or the lithium-ion battery pack (accessory) or charge the lithium-ion battery pack (accessory) outside the measuring tool

Cause: Battery compartment cover not screwed on correctly or battery compartment cover (partially) open

Remedy: Screw on the battery compartment cover correctly