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Unusual noises when drying

Unusual noises when drying — Normal noise from heat exchanger cleaning

Siemens · iQ800 Tumble Dryer

What does Unusual noises when drying mean?

The dryer produces unusual noises during operation. This is often a normal occurrence related to the automatic cleaning of the heat exchanger.

Common Causes

  • Automatic cleaning process of the heat exchanger (Page 34).
  • Normal operational sounds of the appliance.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    This is not a fault; the noises are part of the dryer's normal operation.

  2. 2

    No action is required.

  3. 3

    The automatic cleaning ensures the heat exchanger operates efficiently.

Browse all codes in this manual (13)
Verified technical data. Last updated: April 2026

Related Faults

Change in the programme duration displayed during dryingChange in the programme duration displayed during drying — Dynamic adjustment by moisture sensorsCreasingCreasing — Laundry is creased after dryingDisplay panel goes off and Start button flashesDisplay panel goes off and Start button flashes — Energy saving mode activated
Source: Siemens iQ800 Tumble Dryer
Open Manual (Page 38)Search more codes in this manual