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365

Code 365 - Storage tank temperature sensor defective

Junkers · Cerapur 9000i Boiler

What does 365 mean?

The temperature sensor for the storage tank is defective, leading to inaccurate temperature readings. This is an R-class non-blocking interference.

Common Causes

  • Break in the temperature sensor cable
  • Defective temperature sensor

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the storage tank temperature sensor and its connection cable for any breaks.

  2. 2

    If the sensor is damaged or shows a break, replace it.

  3. 3

    Ensure all connections are secure and corrosion-free.

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

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Source: Junkers Cerapur 9000i Boiler
Open Manual (Page 39)Search more codes in this manual