ℹ
info Honeywell
Status CANCELED
An alarm has been silenced by the security code plus OFF sequence and will remain displayed until another code plus OFF sequence is entered.
? What Causes This
Alarm was silenced but not cleared from memory.
ⓘ What This Means
Enter your security code plus the OFF key again to clear the alarm memory display.
Source: page 10 of the official manual
From the manual
This error code appears in:
Honeywell Vista-20P Security System