![]() If the grinder vibrates, the blade may be bent.If you can’t readily find a replacement thermal limiter, it may be more cost effective to replace the grinder. If the grinder still does not operate, the thermal limiter may be burned out.Rotate the shaft to evenly distribute the oil. Disassemble the grinder, clean the shaft and lubricate each bearing point with one or two drops of lightweight machine oil. If the grinder does not run, the motor shaft may be frozen.Most coffee grinders are accessed by removing fasteners on the base of the device. If the problem persists, disassemble the grinder to clean it and inspect the switch for breaks that you can fix. Depress the switch several times with a toothpick. Unplug the grinder and brush any grounds from the switch with a fine brush. If the grinder runs intermittently or doesn’t stop, the switch may be clogged or damaged.If the grinder does not run when turned on, make sure power is on to the outlet, then check the electrical cord.How Can I Identify a Coffee Grinder Problem?īesides producing the sound of Armageddon, your coffee grinder can do more to tell you that it’s having problems–its symptoms can suggest possible solutions. Whatever you do, don’t immerse the grinder in water because you’ll ruin the motor. Wipe the blade and bowl with a small rag after each use. In addition, the switch can malfunction and the blade can bend or become dull. In addition, the electrical cord can short out, the thermal limiter can burn out, or the motor shaft can stop rotating. The most common problem is that they get clogged up with grounds which slows down the motor. What Can Go Wrong with a Coffee Grinder?Ĭoffee grinders are relatively simple. The size of the pieces, called grounds, depends on the amount of time the grinder runs as well as the sharpness of the blade. The shaft rotates a blade that cuts coffee beans into small pieces. A small universal motor spins a shaft in the center of the coffee grinder. ![]() How Does a Coffee Grinder Work?Ī coffee grinder is a small electric appliance that chops coffee beans with a spinning blade. You may also need to see electrical cord repair and switch repair. It then gives simple step-by-step instructions for how to disassemble a coffee grinder and refers you to instructions for motor testing and repair. ![]() Ah, the aroma of fresh-ground coffee first thing in the morning! This Fix-It Guide on coffee grinder repair tells how a coffee grinder works, what often goes wrong, how to identify a coffee grinder problem, and what parts and tools you will need to fix it. ![]()
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