Manual for ZDLN2621

Manual for ZDLN2621

Brand: ZANUSSI

Category: Dishwasher

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 6:35 p.m.

Warranty Information

Refer to the service book provided with your appliance for warranty information.

Daily Use

  1. Open the water tap.
  2. Press and hold Power Icon until the appliance is activated.
  3. Fill the salt container if it is empty.
  4. Fill the rinse aid dispenser if it is empty.
  5. Load the baskets.
  6. Add the detergent.
  7. Select and start a programme.
  8. Close the water tap when the programme is complete.

Loading the Baskets

  • Always use the whole space of the baskets.
  • Use the appliance to wash dishwasher-safe items only.
  • Do not wash certain materials like wood, horn, pewter, copper, aluminium, porcelain, and unprotected carbon steel.
  • Do not wash items that can absorb water like sponges or household cloths.
  • Put hollow items with the opening facing downwards.
  • Ensure glasses do not touch each other.
  • Put light or plastic items in the upper basket.
  • Ensure items do not move freely.
  • Put cutlery and small items in the cutlery drawer.
  • Make sure spray arms can move freely.

Unloading the Baskets

  1. Let tableware cool down before removing.
  2. Remove items from the lower basket first, then from the upper basket.

Troubleshooting and error codes

Problem and alarm code Possible cause and solution
You cannot activate the appliance.
  • Make sure that the mains plug is connected to the mains socket.
  • Make sure that there is no damaged fuse in the fuse box.
The programme does not start.
  • Make sure that the appliance door is closed.
  • If the delay start is set, cancel the setting or wait for the end of the countdown.
  • The appliance recharges the resin inside the water softener. The duration of the procedure is approximately 5 minutes.
The appliance does not fill with water.
  • The lights related to the programme buttons flash 1 time intermittently.
  • An acoustic signal sounds intermittently.
  • Make sure that the water tap is open.
  • Make sure that the pressure of the water supply is not too low.
  • Make sure that the water tap is not clogged.
  • Make sure that the filter in the inlet hose is not clogged.
  • Make sure that the inlet hose has no kinks or bends.
The appliance does not drain the water.
  • The lights related to the programme buttons flash 2 times intermittently.
  • An acoustic signal sounds intermittently.
  • Make sure that the sink spigot is not clogged.
  • Make sure that the interior filter system is not clogged.
  • Make sure that the drain hose has no kinks or bends.
The anti-flood device is on.
  • The lights related to the programme buttons flash 3 times intermittently.
  • An acoustic signal sounds intermittently.
  • Close the water tap.
  • Make sure that the appliance is correctly installed.
  • Make sure the baskets are loaded as instructed in the user manual.
Malfunction of the water level detection sensor.
  • The lights related to the programme buttons flash 4 times intermittently.
  • An acoustic signal sounds intermittently.
  • Make sure that the filters are clean.
  • Switch the appliance off and on.
Malfunction of the wash pump or the drain pump.
  • The lights related to the programme buttons flash 5 times intermittently.
  • An acoustic signal sounds intermittently.
  • Switch the appliance off and on.
The temperature of the water inside the appliance is too high or malfunction of the temperature sensor occurred.
  • The lights related to the programme buttons flash 6 times intermittently.
  • An acoustic signal sounds intermittently.
  • Make sure that the temperature of the inlet water does not exceed 60°C.
  • Switch the appliance off and on.
Technical malfunction of the appliance.
  • The lights related to the programme buttons flash 12 times intermittently.
  • An acoustic signal sounds intermittently.
  • Switch the appliance off and on.
The level of water inside the appliance is too high.
  • The lights related to the programme buttons flash 15 times intermittently.
  • An acoustic signal sounds intermittently.
  • Switch the appliance off and on.
  • Make sure that the filters are clean.
  • Make sure that the outlet hose is installed at the right height above the floor.
The appliance stops and starts more times during operation.
  • It is normal. It provides optimal cleaning results and energy savings.
The programme lasts too long.
  • If the delay start option is set, cancel the delay setting or wait for the end of the countdown.
  • Activating Extra Power increases the programme duration.
Small leak from the appliance door.
  • The appliance is not levelled. Adjust the feet.
  • The appliance door is not centred on the tub. Adjust the rear foot.
The appliance door is difficult to close.
  • The appliance is not levelled. Adjust the feet.
The appliance door opens during the wash cycle.
  • The AirDry function is activated. You can deactivate the function.
Rattling or knocking sounds from the inside of the appliance.
  • The tableware is not properly arranged in the baskets.
  • Make sure that the spray arms can rotate freely.
The appliance trips the circuit-beaker.
  • The amperage is insufficient to supply simultaneously all the appliances in use. Check the socket amperage and the capacity of the meter or turn off one of the appliances in use.
  • Internal electrical fault of the appliance. Contact an Authorised Service Centre.
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