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Grundig GNU 41820 X - User Manual

Grundig GNU 41820 X
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DISHWASHER
USER INSTRUCTIONS
GNU 41820 X
GNU 41820
GNU 41824 X
GNU 41824
ENG

Table of Contents

Questions and Answers

  • M
    Michelle KingAug 18, 2025
    Why Grundig GNU 41820 X machine does not start?
    • K
      Kayla LaneAug 19, 2025
      Your Grundig Dishwasher might not be starting due to several reasons. First, ensure the power cable is properly plugged in. Check the fuses in your house. Verify that the water inlet tap is open. Also, make sure the dishwasher door is fully closed, and that you've pressed the On/Off button to turn the machine on.
  • O
    obakerAug 21, 2025
    What to do if my Grundig GNU 41820 X Dishwasher leaves dishes not washed clean?
    • P
      Patricia RiceAug 21, 2025
      If your Grundig Dishwasher isn't cleaning dishes properly, several factors could be at play. Ensure dishes are loaded correctly as described in the user manual. The selected program might be unsuitable, so try a program with a higher temperature and cycle time. Check that the impellers rotate freely and that the impeller holes and filters aren't clogged. Also, avoid overloading the baskets and ensure you're using sufficient detergent and rinse aid. If using powder detergent, store it properly, and make sure the detergent dispenser lid is closed tightly.
  • W
    Wanda KennedyAug 23, 2025
    What to do if my Grundig GNU 41820 X leaves dishes scratched?
    • Z
      Zachary HenryAug 23, 2025
      If your dishes are getting scratched in your Grundig Dishwasher, it could be due to salt leakage, so pay attention not to spill salt while adding it. Also, check if the water hardness setting is low or the salt level is insufficient. Ensure that glasses and glassware are placed so they don't lean against other dishes, but against the edges or racks of the basket or the glass support tines.
  • A
    Amanda BlackAug 26, 2025
    What to do if dishes are not dry at the end of Grundig GNU 41820 X Dishwasher cycle?
    • C
      Cory HarveyAug 26, 2025
      If your dishes aren't drying in your Grundig Dishwasher, ensure they are placed so water doesn't accumulate. Avoid unloading immediately after the cycle; instead, slightly open the door and wait for the steam to evacuate, then let the dishes cool before unloading, starting from the lower basket. Also, consider using a program with a longer duration for better drying performance. Note that kitchen utensils with deteriorated surfaces may not dry well and aren't recommended for dishwasher use.
  • M
    Mrs. Lindsey BrownAug 28, 2025
    How to get rid of lime traces on Grundig GNU 41820 X dishes?
    • W
      William MarshallAug 28, 2025
      To remove lime traces from dishes and address the misty appearance on glassware in your Grundig Dishwasher, first check the rinse aid indicator and add rinse aid if needed, potentially increasing the rinse aid setting. Also, measure the hardness of your water and check the water hardness setting on your dishwasher. Be careful not to spill salt when filling and ensure the salt reservoir lid is tightly closed; run a prewash program to remove any spilled salt.
  • L
    Laura SanchezAug 30, 2025
    How to prevent rust on dishes in Grundig Dishwasher?
    • Q
      qhebertAug 30, 2025
      To prevent rust, discoloration, or surface deterioration on dishes in your Grundig Dishwasher, avoid spilling salt when filling and ensure the salt reservoir lid is tightly closed, running a prewash program to remove any spills. Remove salty food remnants from dishes before keeping them in the dishwasher for a long time, or prewash them. Ensure your dishwasher is properly grounded. Avoid using intensive cleansers like bleach. Use metal items only for their intended purposes, and avoid washing low-quality stainless steel or already corroded kitchen utensils in the dishwasher.
  • M
    michaelgeorgeSep 1, 2025
    Why does Grundig Dishwasher have a different odour?
    • S
      Sierra OwensSep 1, 2025
      A different odor in your Grundig Dishwasher could be due to clogged filters, so check and clean them regularly. Also, if you're not starting the dishwasher immediately after loading, remove food remnants and run the prewash program without detergent every two days.
  • G
    Gary KimSep 4, 2025
    Why does detergent remain in detergent dispenser of Grundig GNU 41820 X Dishwasher?
    • M
      martin99Sep 4, 2025
      If detergent remains in the dispenser of your Grundig Dishwasher, ensure the dispenser is dry and clean before adding detergent, and add detergent shortly before starting the wash. Make sure dishes aren't blocking the dispenser lid from opening or preventing water from the impellers from entering. Check the impeller holes and clean them regularly if they are clogged with food remnants.
  • N
    Nicole SchaeferSep 6, 2025
    What to do if my Grundig GNU 41820 X leaves tea stains on dishes?
    • M
      Michael AdamsSep 6, 2025
      If tea, coffee, or lipstick stains persist on dishes washed in your Grundig Dishwasher, select a program with a higher temperature and longer cycle time. Note that stains may not be removed from kitchen utensils with deteriorated surfaces. Store powder detergent in a closed container in a non-humid environment, or consider using tablet detergents.
  • P
    pwoodSep 8, 2025
    How to fix milk stain on Grundig Dishwasher glasses?
    • C
      Christine ZavalaSep 8, 2025
      If a smear resembling a milk stain remains on glasses from your Grundig Dishwasher, and a bluish/rainbow appearance occurs when the glass is pointed to light, the issue might be excessive rinse aid. Try lowering the rinse aid setting. Also, corrosion on the glass could be occurring due to soft water, so measure the hardness of the supply water and check the water hardness setting.

Summary

Safety and Environment Instructions

Explanation of Symbols

Explains the meaning of various symbols used throughout the user manual.

General Safety

Covers essential safety precautions for operating the dishwasher.

Intended Use

Details the specific domestic purposes for which the dishwasher is designed.

Childrens Safety

Provides guidelines to ensure the safety of children around the appliance.

Packaging Material Disposal

Instructions on how to safely dispose of packaging materials.

Product Transportation

Guidance on the correct method for moving the dishwasher.

WEEE Directive and Waste Disposal

Information on compliance with WEEE directive and proper waste disposal.

RoHS Directive Compliance

Details about the product's compliance with RoHS directive.

Packaging Information

Details regarding the materials used for product packaging.

Dishwasher Overview and Specifications

Overview

General layout and components of the dishwasher.

Fan Drying System

Explanation of the fan drying system for efficient dish drying.

Technical Specifications

Key technical data and compliance information for the dishwasher.

Dishwasher Installation Guide

Appropriate Installation Location

Guidance on selecting a suitable location for the dishwasher.

Connecting Water Supply

Instructions for connecting the water inlet hose and tap.

Connection to the Drain

Procedure for connecting the water discharge hose to the drainage system.

Adjusting the Feet

How to adjust the dishwasher's feet for stability.

WaterProtect+ System

Information on the WaterProtect+ system for leak protection.

Electrical Connection

Details on safely connecting the dishwasher to the electrical supply.

Initial Use Preparation

Steps to prepare the dishwasher before its first operation.

Dishwasher Preparation and Loading

Tips for Energy Saving

Advice on using the dishwasher efficiently and ecologically.

Water Softening System

Explanation of the water softening system and its benefits.

Adjusting the Water Softening System

Procedure for setting the water hardness level.

Adding Salt

Instructions on how to refill the salt reservoir with softening salt.

Detergent Usage

Guidelines for selecting and adding the correct amount of detergent.

Combined Tablet Detergents

Information on using multi-purpose tablet detergents.

Rinse Aid

How to refill the rinse aid reservoir and adjust settings.

Items Not Suitable for Washing

List of items that should not be placed in the dishwasher.

Placing Dishes into the Dishwasher

Guidance on orderly loading of dishes for optimal performance.

Cutlery Basket

How to use and adjust the cutlery basket.

Adjusting Upper Basket Height

Procedure for adjusting the height of the upper basket.

Collapsible Upper Basket Tines

How to fold down tines in the upper basket for larger items.

Upper Basket Height Adjustable Rack

Using adjustable racks within the upper basket.

Collapsible Lower Basket Tines

How to fold down tines in the lower basket for larger items.

Lower Basket Multipurpose Rack

Using the adjustable rack in the lower basket for varied items.

Upper Cutlery Basket

Details on the removable upper cutlery basket.

Operating the Dishwasher

Control Panel Overview

Description of the control panel, indicators, and keys.

Keys and Their Functions

Explanation of the On/Off, Start/Pause/Cancel, Programme Selection, and Function keys.

Preparing the Machine

Steps to prepare the dishwasher before starting a cycle.

Programme Selection

How to select a washing programme using the programme keys.

Programme Data and Consumption Values

Table detailing programme options, times, and consumption.

Auxiliary Functions

Explanation of additional functions like Express, Half Load, Tablet Detergent.

Programming Washing Time (Time Delay)

How to use the Time Delay function for delayed starts.

Starting and Monitoring Programmes

How to start a cycle, follow its progress, and handle programme interruptions.

Child (Key) Lock

How to activate and deactivate the child lock feature.

Canceling and Changing Programmes

Steps to cancel or change a running programme.

Volume Setting and Indicators

Adjusting volume settings and understanding warning indicators.

End of Programme

Notification when the washing programme has finished.

Maintenance and Cleaning Procedures

Cleaning Outer Surface and Interior

How to clean the exterior surfaces and interior of the dishwasher.

Cleaning the Filters

Instructions for cleaning the micro and coarse filters.

Cleaning the Hose Filter

Procedure for cleaning the filter in the water inlet hose.

Cleaning the Impellers

How to clean the lower, upper, and ceiling impellers.

Troubleshooting Common Issues

Machine Does Not Start

Solutions for issues where the dishwasher does not start.

Dishes Not Washed Clean

Addressing problems like dishes not clean or stained.

Dishes Not Dry

Solutions for dishes remaining wet at the end of the cycle.

Lime Traces and Misty Appearance

Resolving issues with lime scale, spots, and misty glassware.

Rust, Discoloration, and Detergent Issues

Addressing rust, surface deterioration, and detergent dispenser problems.

Glassware and Utensil Care

Tips for preventing scratches, discolouration, and breakage of glassware.

Foam and Water Remainder Issues

Solutions for excessive foam or water left in the machine.

Installation Manual Overview

Tools and Parts Required

List of tools and accessory parts needed for installation.

Dimension Requirements

Specifications for cabinet opening dimensions and clearances.

Installation Steps

Step-by-step guide for physically installing the dishwasher.

Water and Drain Connections

Instructions for connecting the water supply and drain hoses.

Grundig GNU 41820 X Specifications

General IconGeneral
Door colorStainless steel
Control typeButtons, Touch
Display typeLCD
Built-in displayYes
Appliance placementUndercounter
Control panel colorBlack, Stainless steel
Noise level44 dB
Delay start (max)24 h
Number of place settings13 place settings
Number of washing programs8
Drying classA
Annual water consumption2800 L
Annual energy consumption262 kWh
Water consumption per cycle10 L
Energy consumption per cycle0.92 kWh
Weight and Dimensions IconWeight and Dimensions
Depth548 mm
Width598 mm
Height820 mm

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