failure mode

FM-05: FM-05 SPEED WILL NOT VARY, SURGES, OR CUTS ERRATICALLY

Motor starts at no load but speed control is erratic, with dead zones, surging, or cutting out unexpectedly.

Panoramica diagnostica

Motor starts at no load but speed control is erratic, with dead zones, surging, or cutting out unexpectedly.

Cause probabili

  • Dirty or damaged trigger travel
  • Battery contact is unstable under current
  • Pack is depleted or in protection
  • Switch, brush, or motor path is intermittent

Controlli rapidi

  1. Speed rises smoothly and predictably with trigger pressure.

Anteprima riparazione

1.

Questa è un'anteprima della guida alla risoluzione dei problemi inclusa nel manuale di riparazione completo.

Sintomi correlati

  • At no load the motor starts, but speed has a dead band, surges, cuts out, or ignores trigger pressure.

    At no load the motor starts, but speed has a dead band, 1. Remove the pack and dry-clean trigger, rails, terminals, and vents.

Incluso nel manuale completo

  • root cause analysis
  • tools needed
  • step-by-step repair procedure
  • diagrams
  • exploded views
  • post-repair checks

Le pagine pubbliche mostrano solo un'anteprima. Acquista il manuale completo per scaricare passaggi di riparazione, diagrammi e procedure di verifica completi.

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