Bosch SHP78CM5N too much foam
Cause 1 of 3Hand soap got into the rinse aid dispenser. Source: Troubleshooting (cont.), p. 45
First checkImmediately add rinse aid to the dispenser.
Causes and checks
Hand soap got into the rinse aid dispenser. Source: Troubleshooting (cont.), p. 45
- Immediately add rinse aid to the dispenser.
Rinse aid has been spilled. Source: Troubleshooting (cont.), p. 45
- Remove the rinse aid with a cloth.
The detergent or machine care product used causes excessive foaming. Source: Troubleshooting (cont.), p. 45
- Change the brand of detergent.
All 3 causes checked. Contact Bosch Customer Service: 1-800-944-2904.
Service
If the checks above do not clear it, contact Bosch Customer Service: 1-800-944-2904, bosch-home.com/us/owner-support/get-support. United States and Canada. Source: Customer Service, p. 50
Other SHP78CM5N problems
- Water is left in the tub after the cycle2 causes in the manual. First: the filter system or the area under the filters is blocked.
- Dishes are not dry7 causes in the manual. First: no rinse aid is used, or the dosage is set too low.
- Food is left on the dishes9 causes in the manual. First: dishware was placed too close together or the rack is overfilled.
- Dishwasher does not start3 causes in the manual. First: the breaker has tripped.
- Door cannot be closed2 causes in the manual. First: the door lock has engaged.
- The WLAN display flashes or the connection to the home network is not established2 causes in the manual. First: the WLAN on the router is not active, or the home network is not available.
Sources
- Use and Care Manual, Dishwasher SHP78CM5N. BSH Home Appliances Corporation. Document 9001641455, revision C, 56 pages, en-US. media3.bsh-group.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.