Bosch Dryer Error E07 — What It Means & How to Fix It

What Does This Error Mean?

Error E07 means the condenser is blocked or the lint filter is severely clogged, restricting airflow through the dryer. Restricted airflow causes the dryer to overheat and display E07 as a safety warning. Cleaning the condenser and filter always clears E07 — this is a maintenance task, not a hardware failure.

Affected Models

Bosch WTW87565GB
Bosch WTH84000GB
Bosch WQB145B0GB
Bosch WTW876H0GB
Bosch Serie 8 Heat Pump Dryer

Common Causes

Condenser heat exchanger clogged with lint and fluff build-up
Lint filter not cleaned after previous cycles — severely blocked
Fine fabric fibers have bypassed the lint filter and accumulated in the condenser
Condenser access flap not properly reseated after last cleaning
Condenser has not been cleaned for an extended period despite indicator reminders

How to Fix It

Locate the condenser access panel at the bottom front of the dryer and open it.

Consult your Bosch model's manual for the exact location — it varies slightly by model.
Remove the condenser unit by turning the release handles and pulling it out.

Have a towel ready — residual water may drain from the condenser when removed.
Rinse the condenser under warm running water, directing the flow through all fins until the water runs clear.

Use a gentle shower attachment — high-pressure water can damage the delicate condenser fins.
Clean the lint filter by removing it from inside the door opening and rinsing it under warm water.

Allow both the condenser and filter to fully air-dry before reinstalling.
Wipe out the condenser housing with a damp cloth to remove any lint that fell in.

Lint trapped in the housing continues to restrict airflow even after the condenser is cleaned.
Reinstall the condenser firmly, close the access panel, and run a short test cycle.

E07 should not return after a thorough clean — if it does, contact Bosch service.

When to Call a Professional

Call a technician if E07 returns immediately after a thorough condenser and filter clean. A persistent E07 after cleaning may indicate a faulty condenser sensor or restricted internal ductwork. Bosch technicians can inspect the full airflow path and confirm whether a component needs replacement.

Frequently Asked Questions

How often should I clean the Bosch dryer condenser to prevent E07?

Bosch recommends cleaning the condenser every 3–6 months under normal use. The dryer's condenser indicator light tells you when cleaning is due — do not ignore it. Cleaning every month if you do large laundry loads significantly reduces E07 occurrences.

Can I clean the Bosch dryer condenser with a vacuum instead of water?

Vacuuming removes surface lint but does not clear the fine particles embedded in the fins. Rinsing with water is the only reliable way to fully clean the condenser. Allow the condenser to dry completely (2–4 hours) before reinstalling — a wet condenser can cause errors.

Why does my Bosch dryer show E07 even though I just cleaned the condenser?

The condenser may not have dried fully before being reinstalled — always allow 2–4 hours to air-dry. Lint trapped in the housing around the condenser (not in the condenser itself) can still restrict airflow. If E07 persists after a proper clean and dry, the condenser blockage sensor may be faulty.