Skip to main content
Error code reference
Bosch Dryer Error Code E:1
Overheating stage 1 (malfunction) due to lint filter, airway, or heat-exchanger blockage.
SourceBosch Dryer - Service Manual: Test Programs & Fault Codes (WTG864)p. 2
Diagnostic procedure
The full E:1 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
Clean filter, airway or heat-exchanger. Note: Electronic exchange is not required, exchange does not correct the error.
SourceBosch Dryer - Service Manual: Test Programs & Fault Codes (WTG864)p. 2
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock E:1 procedure $9.95
Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.
Where this code is documented
6 manuals in the MyPros+ library document this code for Bosch dryer.
Models covered by the manuals that document this code
75,000+ service documents · 20,000+ error codes · 100+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax