DAMPER FAULT Siemens — Smoke Damper / Extraction Failure

At a glance

Severity: WARNING THEN STOP
Domain: FIRE_SUPPRESSION_SYSTEM
Reference standard: UNI 9795 / smoke management standards

What it means

Smoke dampers and extraction fans fail on demand: evacuation compromised and smoke in technical rooms during the event.

Probable causes

Failed actuators or stuck dampers
Command not received (panel logic)
Dampers never tested
Extraction fans out of service

Where to start

Functional test of smoke exhaust dampers and verification of the panel command in an alarm scenario.

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

EXTRACTION FAULT Bosch

More Siemens codes

DETECTOR FAULT — Detection Failure (No Alarm)
FAN DAMPER FAULT — Release with Poor Room Integrity
PRE-ALARM — False Fire Alarm
RELEASE CIRCUIT FAULT — Suppression Release Failure
0xE900 / 0xE901 — IO-Link communication lost (device not responding)
6EP1333-4BA00 — Unstable PLC power supply — cyclic restarts
6ES7521-1BL00-0AB0 — Digital input module — input not reading (stuck at 0)
6ES7522-1BL01-0AB0 — Digital output module — output not activating