The SHX78CM5N manual routes the time-delay function through Home Connect. Instructions for older Bosch panels with a physical Delay key do not match this model.
Models covered
SHX78CM5N with the full E-Nr /suffix and control panel matched to the cited manual revision; similar model names alone do not establish applicability.
Stop and isolate power before permitted user maintenance, and let water cool. Watch for sharp debris. Do not reach blindly into a sump, open electrical panels or use drain-opening chemicals. Stay clear of water near electrical equipment.
Compare the behavior
Match the documented control, cycle or feature before interpreting the result. The comparison below keeps normal model behavior separate from an unresolved fault.
| Observed state | Interpretation / next step |
|---|---|
| No Delay key | Use Home Connect time-delay route. |
| Door opened after scheduling | Recheck readiness and Remote Start state. |
| App cannot see dishwasher | Resolve connection before scheduling. |
Model-specific checks
Find the correct control surface
If you cannot find Delay on the top edge, compare the exact panel with the manual before assuming a broken or hidden button. The documented route is to select this appliance in Home Connect and use its time-delay function. Remote Start permission and a scheduled start are related but are not the same selection.
Set a useful schedule
Load the appliance safely, add the correct detergent and select the intended wash program. Open the app, select the dishwasher and review the time-delay controls. Verify whether the current app describes a start time or a finish target; do not assume a displayed clock time has the meaning used by a different firmware version.
Before walking away
Check that the app accepted the schedule and the machine is in the required operating state. If someone opens the door to add an item, inspect Remote Start permission again. A schedule shown on the phone is not useful evidence of readiness if the appliance reports a door or connection problem.
If scheduling is unavailable
Capture the app’s message, E-Nr and connection state. Ask Bosch whether the registered revision and current software support the requested function. Do not enter a service menu to enable a timer. If you prefer not to connect the appliance, operate it manually rather than promise an undocumented on-panel delay workaround.
What to record next
A delayed start depends on the scheduled time; remote permission can change when the door is opened. Check the schedule and remote status separately rather than resetting Wi-Fi for every delayed cycle.
When to stop and get help
Only carry out maintenance permitted in your model’s manual. For service, note the full model number and suffix, displayed code, selected cycle and what happened during the checks. Leave internal wiring, gas components, pumps and safety devices to a qualified professional. A symptom alone does not identify a failed part.
Sources & references
- Time delay is set via Home Connect §12.5 Setting the time delay
Based on publicly available manuals, manufacturer support and the references listed here. We have not inspected or tested your appliance. Follow the instructions for your exact model; a guide cannot replace an in-person diagnosis.