The PLC battery has a lifespan of about 4 to 5 years and should therefore be changed after about 4 years.

Battery type: CR2032.

Switch off the crane. See Switching off the crane.

Open hoist panel.

Open the cover on the PLC. Remove the battery holder.

Remove empty battery.

Dispose of the empty battery in an environmentally sound manner.

Observe the polarity and insert the new CR2032 type battery.

Push the battery holder into the PLC.