A wooden pepper mill that fails to function is usually caused by mechanical jams, wood warping, internal clogging, or worn grinding cores. Below is a systematic troubleshooting and solution guide:
Humid environments or low-quality peppercorns tend to clump and jam the grinding mechanism.Solutions:
Disassemble the mill (if detachable) and empty all contents from the storage chamber.
Add 1 to 2 tablespoons of raw white rice, reassemble the mill, and run it empty. The rice absorbs oil and moisture to clear stuck residue.
Dump out the ground rice, then clean the gaps of the grinding core with a soft brush.
Dry or damp conditions cause wood to crack or swell, stopping the knob from turning and disrupting internal structures.Solutions:
Minor cracks: Apply food-grade mineral oil or walnut oil for maintenance every 3 to 6 months to prevent further cracking.
Severe cracks: Replace the mill if structural integrity is compromised, as repairs are costly and ineffective.
Pepper dust buildup or swollen damp wood is the main cause.Solutions:
Gently tap the side of the mill to loosen trapped particles.
Turn the knob counterclockwise to the coarsest setting to reduce pressure on the grinding core, then try turning it again.
Ceramic or stainless steel grinding cores wear out over time, leading to uneven grinding or no output.Solutions:
For models with replaceable cores, purchase original spare parts from the manufacturer.
For standard wooden mills with non-replaceable cores, replace the unit directly if repair costs are close to buying a new one.
Empty the mill: Remove all leftover peppercorns; no power cutoff is needed for manual models.
Dry clean: Run raw white rice through the empty mill to remove oil and moisture buildup.
Inspect the knob and core: Check manual adjustability and loosen the grind setting if needed.
Maintain the wood: Wipe the surface lightly with a soft cloth dipped in food-grade oil to restore tight sealing.
Test usage: Fill with dry whole peppercorns and turn gently at a steady pace—never force the mechanism.
Electric mills have motor or battery issues (contact brand after-sales support).
Premium branded mills offer official repair services.
The body has severe cracks or the grinding core is fully worn out.
Repair costs exceed 50% of a new mill’s price.
Apply food-grade mineral oil every 3 to 6 months.
Store in a cool, dry place away from stoves and sinks.
Only use dry whole peppercorns; avoid seasoned pepper or salt blends (except with ceramic grinding cores).
Wipe the surface clean after every use; perform a deep clean every 1 to 3 months.
As a professional manufacturer and wholesale supplier of wooden pepper mills, FET welcomes all inquiries and cooperation!

Contact: Silvia Chan
Phone: +86 15105193797
Tel: +86 17302548247
Email: sales@fet-grinder.com
Add: Xinghuo Road 19,Pukou District, Nanjing City , Jiangsu Province ,China