Agilent Technologies TwisTorr 804 FS Mode D'emploi page 284

17 Technical Information
Description of the TwisTorr 804 FS
If the thermistor reading exceeds 60 °C the pump fails and stops with
Error Code = 2. If the thermistor reading is below 0 °C, the pump
fails and stops with Error Code = 1 (see Controller Manual).
The pump can operate in any position and must be supported on the
high vacuum flange. The connection of the forevacuum on the side of
the pump is a KF 25 or KF 40 NW flange.
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