WEG SSW-07 User Manual - page 49
Chapter 6 - SOLUtION aND trOUBLeShOOtING
48
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 filters
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.