SCU-800 Control Unit for Turbomolecular Pump
3.10 Confirmation mode
Confirmation mode is used to check the status of the STP pump and SCU-800. The following items can
be checked in Confirmation mode:
1. Version information.
2. Individual information (serial number, total hours of running, number of starts and damage of the
bearing).
3. Current settings (rotational speed, TMS temperature setting, actual pump temperature and actual
motor current).
4. Current function settings (remote mode, TMS function, inhibit function, emergency vent valve, air
cooling fan, rotational operation inhibit command, imbalance warning function, pump runtime
warning function, and pump overload warning function).
5. Error record (The control unit can store information about up to 10 of the most recent errors. "1/n"
denotes the most recent error. While pressing "ENTER" switch, the time of errors occurrence is
displayed.)
3.10.1 Confirmation method
Refer to Figure 22.
1. Press the "SELECT" switch to enter the Confirmation mode.
The available menu groups (Section 3.10 steps (1) through (5)) are displayed in order.
2. Press the "UP" switch to display the next menu item. Press the "DOWN" switch to display the
previous menu item.
3. Press the "SELECT" switch to display the next menu group.
4. Press the "UP" and "DOWN" switch to confirm the status of the items of the currently selected
menu group.
5. Press the "SELECT" switch to return to Operation mode when viewing the Error Record.
If no switch is pressed for approximately 1 minute, the display will automatically revert to Operation
mode.
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