Skip to main content
Error code reference
Bosch Dishwasher Error Code F3
Thermistor fault - interruption or >80°C; the programme exits from the heating stage and continues in the process.
SourceBosch Dishwasher - Service Manual: DW20 Series (DW20.1-DW20.5, DW20.C)p. 43
Diagnostic procedure
The full F3 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
Check: Thermistor, control unit.
SourceBosch Dishwasher - Service Manual: DW20 Series (DW20.1-DW20.5, DW20.C)p. 43
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock F3 procedure $9.95
Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.
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