Bosch SHP78CM5N error E:92-10

The lower spray arm cannot turn freely.

Cause 1 of 2Dishware blocks the rotation of the lower spray arm. Source: Troubleshooting (cont.), p. 40

First checkRearrange the dishware so it does not obstruct the lower spray arm.

Causes and checks

Dishware blocks the rotation of the lower spray arm. Source: Troubleshooting (cont.), p. 40
1. Rearrange the dishware so it does not obstruct the lower spray arm.
The lower spray arm is not fitted correctly. Source: Troubleshooting (cont.), p. 40
1. Fit the lower spray arm correctly. See Clean the spray arms.

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

E:20-60: The dishwasher has detected that the heating element is calcified.
E:21-30: The intake opening of the Zeolite container is covered by dishware.
E:30-00: The water protection system is activated.
E:31-00: The water protection system is activated.
E:32-00: Water is not coming in.
E:34-00: Water is continuously running into the dishwasher.
E:61-02: Not an appliance error: the drain pump cover is loose or a foreign object blocks the pump.
E:61-03: Not an appliance error: water is not draining.
E:61-60: Technical error.
E:90-01: The power voltage is too low. Bosch says the dishwasher itself has no problem.
E:92-40: The filters are soiled or blocked.
E:01-00 to E:90-10: A technical issue. This covers every code from E:01-00 to E:90-10 that has no entry above.
UP: A software update is available.
All LEDs lit or flashing: Either a software update is installing or the electronics have detected a fault.
Rinse aid indicator lit: The rinse aid dispenser is empty.

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.