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Error code reference
Bosch Dryer Error Code E:01
Dryer overheating fault due to restricted airflow: lint filter, exhaust duct, or air damper is blocked, or air is leaking past the felt drum seal.
SourceBosch WTMC8330US Dryer - Service Manualp. 17, 19, 24
Diagnostic procedure
The full E:01 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Immediately stop dryer by rotating cycle selector knob to Off, open door, remove and clean lint filter, let dryer cool down, then check exhaust duct length and number of elbows.
SourceBosch WTMC8330US Dryer - Service Manualp. 17, 19, 24
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
4 manuals in the MyPros+ library document this code for Bosch dryer.
Models covered by the manuals that document this code
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