⚠
warning Stanley
Error Code LED blinks
Battery power is low. The green Power LED may flash to indicate low battery.
? What Causes This
Low or old batteries.
✓ How to Fix It
Install new high-quality AAA batteries. Ensure the battery compartment contacts are clean and no rust is present.
Source: page 9 of the official manual
From the manual
This error code appears in:
Stanley Fatmax