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.
Diagnostisk översikt
Motor starts at no load but speed control is erratic, with dead zones, surging, or cutting out unexpectedly.
Troliga grundorsaker
- Dirty or damaged trigger travel
- Battery contact is unstable under current
- Pack is depleted or in protection
- Switch, brush, or motor path is intermittent
Snabbkontroller
- Speed rises smoothly and predictably with trigger pressure.
Reparationsförhandsgranskning
1.
Det här är en förhandsgranskning av felsökningsvägledningen i den fullständiga reparationsmanualen.
Relaterade symtom
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.
Ingår i fullständig manual
- root cause analysis
- tools needed
- step-by-step repair procedure
- diagrams
- exploded views
- post-repair checks
Offentliga sidor visar endast en förhandsgranskning. Köp den fullständiga manualen för att ladda ner alla reparationssteg, diagram och verifieringsprocedurer.