Bosch · Dryer Moderate

E32 — Moisture Sensor / Heating Circuit Fault

E32 is not in Bosch's official US dryer error-code list (which only documents E01/E02 as a pair, E06, and an E08/E09/E24/E25/E28/E90 electronics group). The 'moisture sensor / heating circuit fault' explanation below is not confirmed on Bosch's US consumer page — verify against your model's manual.

Keep using it?
Yes, with caution
DIY difficulty
Easy

How to fix it

  1. Open the door and remove the lint filter from the door opening.
  2. Pull apart any two-piece filter assembly and remove all lint by hand.
  3. Rinse both filters under warm running water until clean.
  4. Allow the filters to air-dry completely before reinstalling — wet filters can cause humidity errors.
  5. Reinstall the filter assembly firmly until it clicks/seats.
  6. Press the acknowledge button (varies by model — often Start or a dedicated reset) to clear the reminder.
  7. Begin a new cycle to verify the code is cleared.

Why it happens

Typical signs: Filter icon flashing · Cycle won't start · E32 displayed on power-on · Long cycle on last run

  • Routine filter cleaning reminder triggered Bosch dryers track cycles and prompt cleaning at regular intervals.
  • Filter actually clogged with lint Visible fluff mat on the filter mesh.
  • Secondary fine-mesh filter clogged Inner door filter often overlooked.
  • Filter not seated correctly after cleaning Filter must click into place for sensor to register.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Bosch dryer lint filter Common replacement
    Amazon →

More Bosch dryer codes

All Bosch codes → All dryer codes →

Frequently asked questions

What does the E32 code mean on a Bosch dryer?

E32 is not in Bosch's official US dryer error-code list (which only documents E01/E02 as a pair, E06, and an E08/E09/E24/E25/E28/E90 electronics group). The 'moisture sensor / heating circuit fault' explanation below is not confirmed on Bosch's US consumer page — verify against your model's manual.

What causes the E32 code on a Bosch dryer?

Routine filter cleaning reminder triggered: Bosch dryers track cycles and prompt cleaning at regular intervals. Filter actually clogged with lint: Visible fluff mat on the filter mesh. Secondary fine-mesh filter clogged: Inner door filter often overlooked.

Is it safe to keep using a Bosch dryer with a E32 error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix E32 on a Bosch dryer?

Open the door and remove the lint filter from the door opening. Pull apart any two-piece filter assembly and remove all lint by hand. Rinse both filters under warm running water until clean.

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.