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F
FanucSeries 0i
SV0439 — Alarm SV0439 (PS OVER VOLT. DC LINK) Diagnostic Tree
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The uploaded manuals indicate that Alarm SV0439 is caused by the DC link voltage being too high (in PSM, PSMR, or SVU series); however, detailed diagnostic steps are not available, so please refer to the complete Fanuc maintenance manual.
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