!!
critical ADT
Error Code (Rapids blips) TROUBLE
Indicates a system malfunction or open protection zone.
? What Causes This
System issues or unprotected zones.
✓ How to Fix It
Check for bypassed/unprotected areas, investigate the alert and resolve malfunctions.
Source: page 19 of the official manual
From the manual
This error code appears in:
ADT Safewatch Pro 3000