Changing Batteries - HomeMatic HM-PBI-4-FM Installation And Operating Manual

Mount the housing cover again. Make sure that the
housing cover is latched completely in place.
The Lithium button cell must be short-circuit
proof!

7.1.2 Changing batteries

Caution! Danger of explosion if battery is replaced
improperly.
Used batteries are not to be disposed
of with the house-hold waste! Please
dispose them at your local battery
collection point!
27