STP-iS2207 Series Turbomolecular Pump 
 
MT-89E-001-C
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CONTENTS (CONTINUED) 
Section  Title  Page 
6  STP-LINK AND DISPLAY UNIT  127 
6.1  STP-Link  127 
6.2  Display unit  128 
7  SAFETY FUNCTIONS  129 
7.1  Safety functions  129 
7.1.1  Power Failure  129 
7.1.2  Operation after a power recovery  130 
7.1.3  Abnormal state of magnetic bearing (Disturbance)  131 
7.1.4  Excessive vibration (Disturbance)  131 
7.1.5  Motor driver overload (DRV Overload)  131 
7.1.6  Overheating inside the STP pump (MOTOR Overheat)  131 
7.1.7  Overheating inside the control unit (CNT Overheat)  131 
7.1.8  Overspeed  132 
7.2  "WARNING" function  132 
7.2.1  "WARNING" function  132 
7.3  Contents of WARNING function  134 
7.3.1  First Damage limit  134 
7.3.2  Second Damage Limit  134 
7.3.3  Pump run time over  134 
7.3.4  Pump Overload  135 
7.3.5  Imbalance  135 
7.3.6  Other Warning  135 
7.4  WARNING function setting  136 
7.5  Troubleshooting immediately after failure occurs  137 
7.5.1  After power failure  137 
7.5.2  After other abnormality/error  137 
7.6  Troubleshooting  138 
7.6.1  Indication of "FAILURE" LED (red)  138 
7.6.2  Indication of "FAILURE" LED (red)  144 
7.6.3  No Indication of the "FAILURE" LED  144 
8  MAINTENANCE AND INSPECTION  145 
8.1  Maintenance and inspection  145 
8.2  Cleaning  146 
8.3  Inspecting the deposit  146 
8.4  Maintenance  147 
8.4.1  Recommended overhaul intervals  147 
8.4.2  Standard replacement parts  147 
8.4.3  Recommended maintenance intervals for main parts  148 
8.5  Transporting for repair or overhaul  149