4.2.57 Buzzer control (Pr. 990)................................................................................................................................. 162
5.1 Errors (Alarms) ...................................................................................................................................................... 163
5.1.1 Error (alarm) definitions .................................................................................................................................. 163
5.1.4 Alarm code output .......................................................................................................................................... 173
5.1.5 Resetting the inverter...................................................................................................................................... 173
5.2 Troubleshooting..................................................................................................................................................... 174
5.2.1 Motor remains stopped ................................................................................................................................... 174
5.2.5 Motor current is large...................................................................................................................................... 175
5.2.6 Speed does not increase................................................................................................................................ 175
5.2.10 POWER lamp is not lit ................................................................................................................................... 175
5.3.1 Precautions for maintenance and inspection.................................................................................................. 176
5.3.2 Check items .................................................................................................................................................... 176
5.3.3 Periodic inspection ......................................................................................................................................... 176
5.3.5 Pressure test .................................................................................................................................................. 177
5.3.7 Replacement of parts ..................................................................................................................................... 180
5.3.8 Inverter replacement....................................................................................................................................... 181
III
163