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Four vertical LEDs flashing

Four vertical LEDs (cycle duration and clean indicators) are all flashing — Technical issue detected

Bosch · Dishwashers

What does Four vertical LEDs flashing mean?

When the cycle duration indicators and the clean indicator LEDs are all flashing, the appliance has detected a technical issue that requires attention.

Common Causes

  • Undetermined technical issue with the appliance electronics.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press the main switch button to turn the appliance off.

  2. 2

    Pull out the power cord plug or switch off the circuit breaker for at least 2 minutes.

  3. 3

    Restore power by inserting the plug or switching on the breaker, then switch the appliance on.

  4. 4

    If the problem recurs, turn off the appliance and water faucet, pull the power cord plug, and contact customer service with the error code.

Browse all codes in this manual (33)
Verified technical data. Last updated: April 2026

Related Faults

All LEDs light or flashAll LEDs light up or flash — Electronics fault detectedAppliance cannot be switched onAppliance cannot be switched on or operated — Power, software, or function failureAppliance does not startAppliance does not start — Power, connection, or door issue
Source: Bosch Dishwashers
Open Manual (Page 28)Search more codes in this manual