Clogged tumble-dryer exhaust fan – potential for fire
- Safety Flash
- Published on 21 December 2022
- Generated on 19 June 2025
- IMCA SF 29/22
- 2 minute read
During a weekly inspection of the laundry room on a vessel, rags and lint twisted together were found in the exhaust fan of one of the dryers.
What happened?
Further investigation revealed more accumulated lint in the dryers’ outlet exhaust pipe. When the end of the outlet pipe was removed to check the inside, it was found to be almost completely blocked with lint.
Our member notes that it would only have taken a small spark, short circuit or static electricity inside the drying machine for there to have been a fire.
What went wrong?
There was no regular checking or cleaning of filters and exhaust ducting. Build-up of dust and residue inside the exhaust ducting could have caused the safe operational temperature limits of the dryer to be exceeded, with the possible consequence of a fire.
What needs to be done
- Ensure regular check and clean of tumble dryer exhausts and filters.
- Regular check of ventilation pipes and systems which may create lint traps where lint accumulates over a long period of time, creating a potential fire hazard.
- Ensure design and installation of tumble dryers enables easy and full access to exhaust ducting and filters.
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IMCA SF 16/09
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