Bessey SBH Series User Manual page 47

The temperatures T1 and T2 are measured during the heating process. The difference
between these two temperatures is calculated continuously. If the difference is larger than
the temperature set under "ΔT switch off", the heating process switches off or pauses.
When the process is paused, the screen indicates "ΔT pause".
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If "Auto restart" is not active, the heating process will not restart automatically and has to be
restarted manually.
If "Auto restart" is active, the heating process will restart automatically as soon as the
temperature difference is smaller than the temperature set under "ΔT switch on". This
must be achieved within the "ΔT timeout" time. If this is not the case, the error message "ΔT
timeout" is displayed, which can be reset by pressing "CLEAR".
© Bessey Tools 47