

Troubleshoot your drum winch
We’ve categorised the most common drum winch dramas and built step-by-step guides to help you troubleshoot, diagnose, and solve your winch woes.

Mechanical
Winch silent / no response
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Savwinch: ensure correct wiring of EFF module; battery positive to correct terminal else you void warranty.
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Muir: standard wiring to solenoid—check circuit breaker and helm switch.
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Motor clicks but doesn't spin
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Muir & Savwinch: test solenoid and voltage drop; check EFF module wiring if fitted.
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Drum doesn’t move although motor runs
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Muir DFF: verify dog clutch position; sometimes stuck in neutral.
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Works only one way (deploy vs retrieve)
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Savwinch EFF: if drop is free fall but raise fails, check neutral wiring (blue/brown) wiring per EFF wiring diagram.
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Continuous operation doesn't stop
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All brands: stuck switch or faulty relay; isolated solenoid location
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