ABB PST Series User Manual

162 1SFC132003M0201
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%\3DVVIDXOW The by-pass contactor is not
closing or opening properly.
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• Check that the parameter ([W%\3DVV is
set to No.
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• Check why the contactor is not opening /
closing and make necessary actions.
• Check that the parameter ([W%\3DVV is
set to Yes
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IDXOW
Temperature too high on the
heat sink. If the fault remains
after reset, the heat sink temper-
ature is too warm.
• Check that the fans are working in a
proper way.
• Check that cooling airways are free from
dirt and dust.
• Check that the ambient temperature is
not too high.
.LFNFXUUHQWIDXOW Parameter 6HWWLQJ,
H
is set too
low.
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• Set the value according to the rated
motor current.
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• Set the value according to 58% ( )
of the rated motor current.
6KRUWHGWK\ULVWRUIDXOW One or several SCRs are
shorted.
• Check and replace. Contact your ABB
sales office for replacement kit.
1RQFRQGXFWLQJWK\ULVWRUIDXOW One or several SCRs are not
conducting.
• Check and replace. Contact your ABB
sales office for replacement kit.
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ABB PST Series Specifications

General

Brand	ABB
Model	PST Series
Category	Controller
Language	English