CONTENTS (CONTINUED)
Section Title Page
8 MAINTENANCE 131
8.1 Safety functions 131
8.1.1 Power failure 131
8.1.2 Operation after a power recovery 132
8.1.3 Abnormal state of magnetic bearing 133
8.1.4 Excessive vibration 133
8.1.5 Motor driver overload 133
8.1.6 Overheating inside the STP pump 133
8.1.7 Overheating inside the SCU-1601 133
8.1.8 Overspeed 134
8.1.9 Abnormality/Error in the TMS unit (for use with the TMS unit) 134
8.2 "WARNING" message function 135
8.2.1 "WARNING" message display function 135
8.3 "WARNING" message description 136
8.3.1 Damage point function 136
8.3.2 First damage limit 136
8.3.3 Second damage limit 136
8.3.4 Imbalance X_H, X_B, Z 136
8.3.5 Pump run time over 137
8.3.6 Pump overload 137
8.3.7 Low RTC battery 138
8.3.8 Much MotorCurrent 138
8.4 "WARNING" function setting 139
8.5 Error at self test state 140
8.5.1 Error after self test 141
8.5.2 Error messages 141
8.5.3 Troubleshooting immediately after power failure occurs 141
8.5.4 Troubleshooting immediately
after other abnormality/errors occur 142
8.6 When error message is not displayed on LCD 151
8.6.1 Abnormalities when powering ON 151
8.6.2 Abnormalities when performing rotational operation 151
8.6.3 Other abnormalities 152
8.7 "Error Record" message display function 152
8.8 Maintenance and inspection 153
8.8.1 Cleaning 153
8.8.2 Maintenance 154
9 STORAGE, TRANSPORTATION AND DISPOSAL 155
9.1 Storage of the SCU-1601 155
9.2 Transporting for repair or overhaul 155
9.3 Disposal 156
10 SERVICE, SPARES AND ACCESSORIES 157
10.1 Introduction 157
10.2 Service 157
10.3 Spares 157
10.4 Accessories 158