Preventive Maintenance - WEG SSW-08 Manual Del Usuario

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!
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.
When the SSW-08 Soft-Starter is stored for a long period of time, it is recommended that it be
energized for 1 hour, each year.
Component
Terminals, Connectors
Fans / Ventilation Systems
Power Module / Power
Connections
(1) Every six months.
(2) Twice a month.
If necessary, consult the manufacturer.
Do not use megometers to test thyristors.
Table 6.3: Periodic inspections after putting into use
Abnormality
Loose screws
Loose connectors
Dirty fans
Abnormal noise
Fan always off
Abnormal vibration
Dust in the air filters
Accumulated dust, oil, moisture, etc.
Screws with loose connections
Solution and Troubleshooting
Corrective Action
Tightening
(1)
Cleaning
(1)
Substitute fan
Cleaning or substitution
Cleaning
(1)
Tightening
(1)
6
(2)
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