f:09
Moderate
Bosch · Dryers
Drying not working / condenser clogged
Quick Answer
Error code F:09 on your Bosch Dryers means: Drying not working / condenser clogged. This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Remove and clean the condenser unit according to the user manual.
2
Check and empty the condensate collecting container if full.
3
Verify that the drain hose is not kinked or clogged.
4
Clean the drain hose and siphon connector if blocked.
5
Reassemble and test the dryer.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Condenser cleaning brush
Replacement drain hose (if damaged)
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