ERROR CODE EXPLAINED
Bosch Dishwasher
Bosch Dishwasher Flashing Active + Sanitized Lights Error Code
What it means
The dishwasher detected a heat-pump internal heater fault.
Try this first
- Turn the dishwasher off.
- Check for any obvious water, door, filter, or drain condition described by the message.
- Turn dishwasher power off for 30 seconds.
- Restore power.
- Check whether the flashing pattern returns.
Can I keep using it?⚠ Bosch diagnostic fault
Repair usually required?⚠ Service may be required
If the error keeps returning
If Flashing Active + Sanitized Lights returns after troubleshooting, Bosch recommends customer support or qualified service.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.