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High Water Pressure

Household water pressure is too high for dishwasher

Miele · Dishwashers (G-Series)

What does High Water Pressure mean?

The water pressure supplied to the dishwasher exceeds the recommended maximum of 145 psi (10 bar). High water pressure can cause damage to the appliance.

Common Causes

  • Household water pressure is above appliance specifications.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure your household's water pressure to confirm it exceeds the recommended limit.

  2. 2

    If confirmed high, install a pressure reducer on the water supply line to the dishwasher.

  3. 3

    Consult a qualified plumber for assistance with pressure regulation.

Browse all codes in this manual (58)
Verified technical data. Last updated: April 2026

Related Faults

Child Lock Key Not RemovedYellow Child Safety Lock key not removed from upper basketClouding or smearing on dishwareClouding or smearing on dishware and glassware — Rinse aid dosage too highClouding/smearing on dishwareClouding or smearing on dishware and glassware - Rinse aid dosage too high
Source: Miele Dishwashers (G-Series)
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