SMOKE MIGRATION Honeywell — Fire Spread via Cable Openings

At a glance

Severity: FAULT STOP
Domain: FIRE_SUPPRESSION_SYSTEM
Reference standard: DPR 151/2011 / UNI compartmentation standards

What it means

Fire or smoke spreads through unsealed cable penetrations between rooms: nominal compartmentation does not match reality.

Probable causes

Cable penetrations left open after new installations
Degraded or never-restored fire stopping
Raised floor and ceiling voids as propagation paths
Plant changes not followed by verification

Where to start

Inspect cable routes and floor/ceiling cuts between compartments: map the unsealed openings.

Full guided diagnosis in the app

The diagnostic tree for this fault has 3 guided steps with measurements, checks and resolutions. You'll find it in DataCIQ, one of the five IndexOS apps: free, works offline.

Open DataCIQ

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The same fault on other brands

MULTI ZONE ALARM Bosch

More Honeywell codes

ABORT ACTIVE — Suppression Release Failure
ALARM VERIFY — False Fire Alarm
ZONE ISOLATED — Detection Failure (No Alarm)
ALARM ROUTING FAULT — Alarms Not Notified
BAT FAIL — Battery Low / Battery Failure
BAT FAIL — Fire Panel Battery Low
COMM FAIL — Communication Lost / Controller Offline
COMM FAIL — Reader Offline / Reader Not Communicating