technical services

technical services

Gefran controller: The top display is showing Err. What does this mean?

This usually an indication of a) a faulty Pt100 or analogue signal or b) wrong sensor type or c) sensor signal is out of range or d) incorrect/damaged input connection.

Gefran controller: The top display is showing Sbr. What does this mean?

This is usually an indication of a faulty thermocouple temperature sensor (open circuit or faulty cable).

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