The ReadyEdge coin cell battery ensures that clock settings are retained when the unit is not powered on. The battery will need replacement every 5 to 10 years. An alarm will be set in software when the battery is running low.
The coin cell compartment is located on the bottom of the unit. The ReadyEdge will need to be removed from the DIN rail and flipped over to replace the battery.
Replacing the Coin Cell Battery
Step 1
The battery cover is secured with a single Philips screw. Remove the screw and plastic battery compartment cover. Set them aside.
Step 2
Using a small flat-blade screw driver, gently pry the coin cell from the holder.
Step 3
Replace with a new CR2032 coin cell battery. Insert with the positive (+) side facing up1
Step 4
Replace the plastic battery cover and secure it with the small Philips screw