---
title: "Dryer taking too long"
description: "Bosch dryer taking too long: a cycle that runs for hours, or a load that needs a second run."
url: "https://boschmiami.support/symptoms/dryer-taking-too-long/"
date_modified: "2026-08-18"
Appliance type: "Dryers"
---


# Bosch dryer taking too long

### The fastest diagnosis is the code

A published code for the lint filter exists, and it is the first thing to look at. But most slow drying arrives with no code at all — the machine does not know its filter is sealed with residue, it only knows the load is still wet.

### Slower on purpose

A vented dryer pushes hot wet air outside and pulls fresh air in. A condensation dryer has to cool that air, drop the water out of it and reheat it, over and over. It uses less energy and needs no duct, and it takes longer. Judge it against how it used to perform, not against a vented machine.

### Where the time actually goes

- A lint filter sealed with fabric softener film, which looks perfectly clean
- A secondary filter or condenser unit nobody knew existed
- A moisture sensor coated with residue, reading the load wrong
- Clothes arriving too wet from a washer that did not spin properly
- A drum packed too full for air to move through it

Airflow, in every form

Lint filter, secondary filter, condenser unit. The most common cause by far, and the machine will not tell you about it.

Clothes going in too wet

If the washer is not spinning properly, the dryer inherits the problem. A load that came out of a failed spin can double the drying time.

A compact drum packed full has no room for air to move through the load. Half-full dries in less than half the time of full.

The moisture sensor

Coated with residue, it reads the load as wet and keeps going, or as dry and stops early. Wiping the strips inside the drum is free.

Ambient conditions

A condensation dryer in a hot, humid closet with the door shut has less to work with than the same machine in an air-conditioned room.

The water test on the filter

Water should pass straight through the mesh. If it pools, scrub it — that is most of these.

Find and clean the second filter

And the condenser unit if the model has one. Check the manual; they are behind a flap at the bottom.

Wipe the moisture sensor

Two metal strips inside the drum. A little rubbing alcohol on a cloth clears the residue that confuses them.

Try a smaller load with the closet door open

If it dries noticeably faster, you have learned two things at once and neither is a repair.

Longer is by design

What it usually means

Two cycles to dry one load

Cycle time much longer than it used to be

Clothes hot but still damp

The fastest diagnosis is the code

A published code for the lint filter exists, and it is the first thing to look at. But most slow drying arrives with no code at all — the machine does not know its filter is sealed with residue, it only knows the load is still wet.

Slower on purpose

A vented dryer pushes hot wet air outside and pulls fresh air in. A condensation dryer has to cool that air, drop the water out of it and reheat it, over and over. It uses less energy and needs no duct, and it takes longer. Judge it against how it used to perform, not against a vented machine.

Where the time actually goes

A lint filter sealed with fabric softener film, which looks perfectly clean

A secondary filter or condenser unit nobody knew existed

A moisture sensor coated with residue, reading the load wrong

Clothes arriving too wet from a washer that did not spin properly

A drum packed too full for air to move through it

---

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