Display 901 — Water Inlet (PHE) Temperature Sensor Error

Was bedeutet 901 ?

This error signifies a short or open circuit with the temperature sensor at the water inlet of the Plate Heat Exchanger (PHE).

• Faulty water inlet temperature sensor
• Wiring issue to the sensor

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1. 1

   Inspect the wiring to the water inlet temperature sensor for secure connections and any damage.

2. 2

   Ensure the sensor is correctly installed and measuring temperature accurately.

3. 3

   If the sensor is faulty, it requires replacement.

4. 4

   Contact a service technician for assistance.