ℹ
info ADT
Status [0] + [3]
Arms system into STAY mode via single button command without code.
? What Causes This
Single-button arming programmed for ease of use.
ⓘ What This Means
Ensure the partition is ready to arm and press the correct key sequence.
Source: page 16 of the official manual
From the manual
This error code appears in:
ADT Safewatch Pro 3000