L7S AL-15 (AL-15 Current Offset) — cause?

Abnormal current offset. The U/V/W phase current offset (0x2015-0x2017) is 5% or more of the rated current.

L7S AL-15 — how to fix?

Re-run the phase current offset adjustment. If it still occurs, replace the drive.

ServoL7SVerified · sol.ls-electric.com

L7S AL-15 — AL-15 Current Offset

Trip — immediate stop

CAUSE

Why does it occur?

Abnormal current offset. The U/V/W phase current offset (0x2015-0x20
is 5% or more of the rated current.

REMEDY · Step by step

How to fix it?

Re-run the phase current offset adjustment
If it still occurs, replace the drive

Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).

SOURCE

Related manual page

Verified · sol.ls-electric.com

L7S Series AC Servo Drive User Manual V1.5 (EN)

p.213

Open PDF ↗

L7S AL-15 — AL-15 Current Offset

Why does it occur?

How to fix it?

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