tenance
P44x/EN MT/Hb
P444 (MT) 10-
Ensure that the battery is securely held in its socket and that the battery terminals are
making good contact with the metal terminals of the socket.
Close the bottom access cover.
1.5.2 Post Modification Tests
To ensure that the replacement battery will maintain the time and status data if the auxiliary
supply fails, check cell [0806: DATE and TIME, Battery Status] reads ‘Healthy’.
1.5.3 Battery Disposal
The battery that has been removed should be disposed of in accordance with the disposal
procedure for Lithium batteries in the country in which the relay is installed.