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Technical Information
How to Manage by Front Panel
Startup
Plug the controller power cable into a suitable power source.
The display lights up for approx. 2 seconds and shows:
A
M
After 4 seconds, the display shows the following screen page.
S
Main Screen
STATUS indicates the operating regime of the pump:
STOP = pump is stopped (ready to operate)
INTERLOCK = pump is ready to operate but waiting for enabling signal on
interlock input
STARTING = pump has started and it is in ramping phase
HCOMP = pump is operating subjected to small gas load
HFLOW = pump is operating subjected to large gas load
AUTOTUNE = pump is operating subjected to very high gas load condition (for
a limited time before entering error status "Too high load")
TMP ROTOR STOPPING = pump is ramping down, rotor speed is reduced
through the proactive braking routine
FAIL = pump or controller has entered an error condition (see Fails chapter).
Agilent TwisTorr Medium-TMP Rack Controller User Manual
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