⚠
warning Honeywell
Error Code LO BAT
Low battery condition in a wireless transmitter.
? What Causes This
Depleted or weak battery in wireless sensor or transmitter.
✓ How to Fix It
Replace the battery in the indicated wireless sensor with a fresh alkaline or lithium battery recommended by your installer.
Source: page 51 of the official manual
From the manual
This error code appears in:
Honeywell Vista-20P Security System