WEG SSW-07 - Preventive Maintenance

CHAPTER 6 - SOLUTION AND TROUBLESHOOTING
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English
6.3 PREVENTIVE
MAINTENANCE
WARNING!
Always disconnect the general power supply before touching any
electric component associated to the Soft-Starter SSW-07.
Do not apply any high voltage tests on
the Soft-Starter SSW-07!
If necessary, consult the manufacturer.
Do not use megometers to test thyristors.
Periodic inspections of Soft-Starters SSW-07 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.
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lters Cleaning or substitution
(2)
Power Module / Power
Connections
Accumulated dust, oil, moisture, etc. Cleaning
(1)
Screws with loose connections Tightening
(1)
Table 6.3 - Periodic inspections after putting into use
(1) Every six months.
(2) Twice a month.