What the Service Includes
The grinder repair service for coffee machines includes diagnostics and elimination of all possible reasons why the grinder does not grind coffee or does not operate. Main operations:
- detailed diagnostics of the grinder (mechanical and electronic parts)
- disassembly and inspection of burrs for wear, cracks, deformation
- deep cleaning of the grinder from coffee dust, oils, hardened residues
- inspection and replacement of worn burrs (flat or conical)
- inspection and replacement of motor brushes
- diagnostics of the grinder motor (windings, bearings, rotor, stator)
- replacement of the grinder motor (complete or only brushes/bearings)
- inspection and replacement of the motor start capacitor
- inspection of Hall sensor or optical rotation sensor
- inspection of microswitch or grinder safety sensor
- inspection of gears, shafts, couplings for wear and play
- lubrication of moving parts with food-grade grease
- inspection of grinder control board (capacitors, relays, transistors)
- testing the grinder on a bench and inside the machine after repair
- grind adjustment and uniformity check after reassembly
Service is performed on grinders of De’Longhi, Saeco, Philips, Jura, Krups, Siemens, Bosch, Melitta, Nivona, Gaggia and other brands.
When Grinder Repair Is Needed
Main signs indicating that the grinder does not work or does not grind coffee:
- grinder hums but beans are not ground or ground very slowly
- machine shows errors “grinder”, “grinder blocked”, “E05”, “E06”, “E13”
- grinder does not start at all — silence or weak hum without rotation
- clicking or jerking sounds during grinding attempt
- coffee comes out very coarse or excessively fine even at minimum setting
- burrs do not rotate although motor tries to turn
- after filling beans the machine stops or shows an error
- grinder works only at certain grind settings
- burning smell or strong heating of grinder housing
- problem persists or worsens after cleaning the grinder
- machine does not detect presence of beans in the hopper
Most common causes: critical burr wear, motor brush wear, start capacitor failure, coffee dust clogging, Hall sensor failure, gear wear or mechanical blockage.
Work Stages
- Diagnostics — determining why the grinder does not grind coffee
- Disassembly of the coffee machine to access the grinder unit
- Photographing all component positions before disassembly
- Disassembly and inspection of grinder (burrs, motor, gears, sensors)
- Deep cleaning from coffee dust, oils, hardened residues
- Checking burr condition (wear, pitting, burrs)
- Checking motor (brushes, bearings, windings)
- Measuring start capacitor and Hall sensor
- Replacement of worn burrs, brushes, capacitor or sensor
- Replacement of motor (if restoration is impossible)
- Restoration of gears, shafts, couplings (when possible)
- Lubrication of moving parts with food-grade grease
- Reassembly of grinder and no-load rotation test
- Installation of unit back into the coffee machine
- Test grinding at different settings (coarse → fine)
- Brewing several espresso shots to check grind quality
- Final check for error-free operation and stability
- Cleaning machine from disassembly traces
Why Choose Grade in Khmelnytskyi
Grade in Khmelnytskyi has extensive experience repairing coffee machine grinders across all popular brands. We work with both mechanical and electronic grinder components, using professional diagnostic equipment and only verified parts (original burrs, brushes, motors, capacitors). Every repaired grinder undergoes multi-stage testing. Before starting work, the client receives a clear explanation of the cause and repair plan. Real customer reviews are available here: reviews. We also perform full coffee machine repair, robot vacuum repair, charging station repair and other appliance services. Contacts: +380 97 719 4430, Telegram. Schedule: Mon–Sun 11:00–20:00. Address: Khmelnytskyi, Panasa Myrnoho St., 31/3.
Easy from Anywhere in Ukraine
Can’t bring your coffee machine to Khmelnytskyi? Ship it via Nova Poshta. We accept equipment from any city in Ukraine, perform diagnostics and grinder repair (not grinding coffee, not starting, humming without result), then return a fully operational machine. All shipping conditions and details are described here: shipping via Nova Poshta. Convenient for customers from Kyiv, Lviv, Odesa, Dnipro, Kharkiv, Zaporizhzhia and other regions.
