Dishwasher stops early in the cycle and displays E02, often without filling properly.

Safety first: Disconnect power and close the water tap before working on the appliance.

• Reset the appliance: Turn the dishwasher off, wait 2–3 minutes, then turn it back on and try a different program to rule out a temporary glitch.
• Check water pressure and inlet: Ensure adequate water pressure and that the inlet hose and filters are clean as described for E01.
• Inspect side water matrix (water distribution tank): Remove the left side panel of the Grundig dishwasher. Look at the transparent water matrix/softener assembly for heavy limescale, sludge, or air locks. If channels are blocked, remove the assembly if accessible and flush with hot water and descaler.
• Check flow meter connection: Locate the small flow sensor (usually clipped into the side matrix with two wires). Ensure the connector is tight and wires are not damaged or corroded.
• Advanced check: If you have a multimeter and service data, verify the flow meter pulses at the control board connector while water flows. No pulses indicate a bad flow meter that must be replaced.
• Reassemble and test: Refit the side panel, restore water and power, and run a test cycle.