WEG SSW-08 User Manual - page 52
6
Solution and Troubleshooting
SSW-08 | 47
6.3 PREVENTIVE MAINTENANCE
WARNING!
Always disconnect the general power supply before touching any electric component
associated to the Soft-Starter SSW-08.
Do not apply any high voltage tests on the Soft-Starter SSW-08!
If necessary, consult the manufacturer.
Do not use megometers to test thyristors.
Periodic inspections of Soft-Starters SSW-08 and installations are necessary to avoid operating
problems due to unfavorable environmental conditions like high temperature, moisture, dust,
vibrations or due to the aging of the components.
Table 6.3: Periodic inspections after putting into use
Component
Abnormality
Corrective Action
Terminals, Connectors
Loose screws
Tightening
(1)
Loose connectors
Fans / Ventilation Systems Dirty fans
Cleaning
(1)
Abnormal noise
Substitute fan
Fan always off
Abnormal vibration
Dust in the air filters
Cleaning or substitution
(2)
Power Module / Power
Connections
Accumulated dust, oil, moisture, etc.
Cleaning
(1)
Screws with loose connections
Tightening
(1)
(1) Every six months.
(2) Twice a month.