Shared problem guide
Source verifiedUse caution

Dishwasher making an unusual noise

Compare the sound with the cycle stage, secure the load, and check only user-maintainable parts before arranging service for a persistent or abnormal noise.

Common descriptionsUnexpected humming or grinding · Dishes or spray arms knocking · Noise when draining
Safety boundaryUse caution
Last reviewed 2026-08-17
Safe troubleshooting checks

Safe checks for unusual dishwasher noises

4 steps
  1. 01

    Record when the noise happens

    User-level

    Note whether the sound occurs during filling, washing, draining, or drying and compare it with the exact model manual. Water movement, a steady pump hum, and a detergent-dispenser click can be normal at the matching cycle stage.

    Sources: [2] [1]

  2. 02

    Reload items that can rattle or block a spray arm

    User-level

    Switch the dishwasher off, secure lightweight items, separate dishes that touch, and reposition long utensils or handles that may contact a spray arm. Do not force a spray arm or remove internal parts.

    Sources: [2] [1]

  3. 03

    Check only user-maintainable parts

    Use caution

    Use the exact model manual to clean and refit its removable filter and inspect accessible spray-arm openings. Do not reach into a pump or remove panels to investigate a sound.

    Sources: [2]

  4. 04

    Escalate a persistent or off-cycle noise

    Professional help

    Arrange qualified service if the sound continues after loading and manual-approved maintenance, occurs while the appliance is switched off, or is accompanied by leaking, burning smells, or visible damage.

    Sources: [1]

Traceability

Sources & references

2 records
Manufacturer support

Dishwasher is making unusual noises (opens in a new tab)

Electrolux UK · Accessed

Last reviewed · Review due

Supports distinguishing normal cycle sounds, correcting load or spray-arm contact, and service escalation.

Source verified
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