Brand: ZANUSSI
Category: Dishwasher
Document Type: Manual
Language: EN
Manual for ZDT 6453
Uploaded: Nov. 21, 2025, 7:28 p.m.
Warranty Information
This product should be serviced by an authorized service engineer, and only genuine spare parts should be used.
Safety First: Read all safety instructions before installing and using the appliance. Keep packaging away from children. Do not operate if damaged. Electrical and plumbing work should be done by qualified personnel. Ensure the appliance is not standing on the power cable.
Daily Use: Check salt and rinse aid levels. Load dishes correctly, ensuring spray arms can rotate freely. Use only dishwasher-specific detergents, salt, and rinse aid. Start the appropriate wash programme. Close the door after loading/unloading. Isolate power and water after use.
Maintenance: Regularly clean external surfaces, seals, and filters. Run a 65°C wash program without dishes every 3 months. Protect against frost if temperatures drop below 0°C.
Troubleshooting: Refer to the 'What to do, when...' section for common issues like the machine not starting, not draining, or unsatisfactory wash results. Contact consumer services if problems persist.
Troubleshooting and error codes
| Fault code / malfunction | Possible cause | Solutions |
|---|---|---|
| Indicator light of the programme in progress is flashing. - 1 intermittent audible signal - 1 flash of the "end of programme" indicator light. The machine does not fill with water. | The water tap is blocked or furred with limescale. The water tap is turned off. The filter (where present) in the threaded hose fitting at the water inlet valve is blocked. The water inlet hose has not been correctly laid or it is bent or squashed. | Clean the water tap. Turn the water tap on. Clean the filter in the threaded hose fitting. Check the water inlet hose connection. |
| Indicator light of the programme in progress is flashing. - 2 intermittent audible signals - 2 flashes of the "end of programme" indicator light. The dishwasher will not drain. | The water inlet hose has not been correctly laid or it is bent or squashed. The siphon is blocked. | Check the water drain hose connection. Clean out the siphon. |
| Indicator light of the programme in progress is flashing. - 3 intermittent audible signals - 3 flashes of the "end of programme" indicator light. | Protection against flooding is active. | Close the water tap and contact the consumer services department. |
| The programme does not start | The dishwasher door has not been properly closed. The main plug is not plugged in. The fuse has blown in the household fuse box. | Close the door. Insert the mains plug. Replace the fuse. |
| There is a whistling noise during washing | The whistling is not a cause for concern. | Use a different brand of detergent. |