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Idle state of the display

Display goes to sleep — Inactivity or no fault/maintenance request

Junkers · Cerapur 9000i Boiler

What does Idle state of the display mean?

If there is no fault or maintenance request, the display goes to sleep after 2 minutes of inactivity. This is a normal power-saving state.

Common Causes

  • No active fault or warning message.
  • No user interaction with the display for 2 minutes.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press the 'b' button to exit the idle status and wake up the display.

  2. 2

    Ensure there are no pending maintenance requests or fault codes.

  3. 3

    If the display remains blank after pressing 'b', check the device's power supply.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

Related Faults

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Source: Junkers Cerapur 9000i Boiler
Open Manual (Page 24)Search more codes in this manual