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25
E25
Causes
› The heater control circuit switch (TRIAC) is faulty�
› The heater or the supply line is disconnected�
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
E26
Causes
› Dry running
Effect
› Heating switched off
Solutions
› Switch off the device
› Let the device cool down
› Fill up the tempering medium
› Switch on the device
E27
Causes
› Error in calibration
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
E28
Causes
› Breakage of the controller sensor
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
E29
Causes
› Short-circuit in the safety sensor
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
E30
Causes
› Short-circuit in the controller sensor
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
E31
Causes
› Breakage of the safety sensor
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
E32
Causes
› Temperature deviation is too big
Effect
› Heating switched off
Solutions
› Switch off the device and switch on again
�
If the actions described fails to resolve the fault or another error code is displayed then take one
of the following steps:
› contact the service department�
› send the device for repair, including a short description of the fault�