Low Battery Message on Keypad

1. "Low Bat" (no zone Nos.)
2. "Low Bat" + "00".
3. "Low Bat" + "nn". 

POSSIBLE CAUSE

1. System battery is low or missing.
2. Remote RF keypad/button battery is low.
3. Transmitter for zone “nn” has a low

battery. Standard- or High-Capacity battery

connected to wrong receptacle. 

REMEDY

1. Replace system battery.
2. Replace battery in the RF keypad.
3. Replace the battery in the displayed transmitter. Ensure that battery is properly connected