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A2026 INPUT PHASE LOSS alarm in ABB ACS150

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(@click2electro)
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How can resolve problem A2026 INPUT PHASE LOSS alarm in ABB ACS150 ?

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Posts: 12492
Admin
Topic starter
(@click2electro)
Member
Joined: 3 years ago

Cause : Intermediate circuit DC voltage is oscillating due to missing input power line phase or blown fuse.

Alarm is generated when DC voltage ripple exceeds 14% of nominal DC voltage.

Programmable fault function

parameter - 3016 SUPPLY PHASE

1.Check input power line fuses.
2. Check for input power supply imbalance.
3. Check fault function parameter setting.

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