Battery Usage in ICON-PRO Access Controller

Battery Usage in ICON-PRO Access Controller

Q1: What is the purpose of the battery in the ICON-PRO Access Controller?
A: The battery keeps the internal clock and calendar running when the main power is lost, ensuring accurate timekeeping.

Q2: What type of battery does the ICON-PRO use?
A: The controller uses a CR1220 lithium coin cell battery.

Q3: When should the battery be replaced?
A: Replace the battery if the controller loses date or time after a power outage, or approximately every 2–3 years under normal conditions.

Q4: Can the controller operate without the battery?
A: Yes, but it will lose time and calendar data whenever the power is disconnected

Q5: How do I replace the battery safely?
A: Power off the controller, open the housing carefully, replace the CR1220 battery with the correct polarity (+ facing up), and close the housing securely. Battery holder is on bottom side of pcb.