Brew unit jamming under continuous high-volume use
Worn cam followers, packed grind, or a misaligned piston. We pull the unit, clean it, fit fresh gaskets, lubricate, and confirm clean cycling.

Triple-grinder, kept consistent
A 5000 S+ carries a wide menu through peak service on three grinders and full Dynamic Milk, so when one part drifts the whole bar feels it. We repair these high-volume WMF machines regularly: a third grinder feeding unevenly, Assist sensors drifting, foam quality dropping across a shift, boilers struggling to recover. Tell us the symptom, and the right parts ride out on the first visit.
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WMF · High-volume commercial super-automatic
The WMF 5000 S+ is a hospitality flagship rated for up to 250 cups a day. Three grinders with three hoppers let it run a wide menu without swapping beans, while full Dynamic Milk Assist and a high-output dual boiler hold quality through peak service. On the bench the extra capacity shows in the wear: the third grinder's light-use hopper, the milk system, and the boiler's recovery are where most of the work lands.
Why Grajqevci
Call in the morning and a technician is usually on-site before the day is out. Most WMF 5000 S+ jobs get diagnosed and fixed on the first visit.
Commercial coffee equipment is all we do, and WMF 5000 S+ is one of the platforms we know best. Not a generalist guessing at a service manual. Genuine OEM parts, industry-standard procedures.
Flat rate for the visit, with parts billed separately. For bigger jobs you'll see a written quote on-site before we proceed.
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5000 S+ faults we diagnose
These are the 5000 S+ faults that fill our service log, each with the cause behind it and how we resolve it.
Worn cam followers, packed grind, or a misaligned piston. We pull the unit, clean it, fit fresh gaskets, lubricate, and confirm clean cycling.
Grind drift, low temperature, or pump pressure dropping off. We measure brew pressure, check temperature, adjust the dose, and quote a pump replacement if the pump is the cause.
A worn brew screen or piston seal. We inspect, replace the worn parts, and reset the grind.
Scale, a degrading element, or a regulator drifting. We descale, test element resistance, confirm the regulator, and replace whatever is failing.
NTC sensor drift or scale buildup. We descale, recalibrate the temperature, and replace the NTC if it reads out of spec.
The counter was not reset, or hardness sits outside the calibrated range. We reset, recheck hardness, and replace the filter cartridge if it is exhausted.
A brew unit seal leak or a blocked drain. We pressure-test, clear the blockage, and reseal.
A flow or temperature sensor drifting in the Assist module under sustained service. We test the sensors, recalibrate, and replace any that read out of spec.
Milk-protein buildup that accelerates under sustained service. We deep-clean the Dynamic Milk, replace the cleaning supply, reset the air metering, and confirm each profile.
Air valve calibration or chilled-air pump wear. We recalibrate, test the pump, and replace it if needed.
An air leak in the suction line, a worn impeller, or a blocked intake. We pressure-test the line, inspect the pump, and replace the impeller and seals.
A skipped daily clean. We deep-clean the pathway, replace the cleaning supply, and refresh the routine with your team.
A light-use hopper building up an oily-bean coating in the throat. We clean the third throat, recalibrate the dose, and confirm it feeds consistently.
Burr wear under sustained volume. We weigh dose from each grinder, measure the burr gap, recalibrate, and replace burrs as needed.
A firmware hang. We reset the controller, check the firmware, and reflash if needed.
We pull the error log, identify the failing component, and replace the specific sensor, relay, or board element.
Network drift or a failing comms module. We verify the network settings, reset the telemetry stack, and replace the module if it is the fault.
A level sensor misreading or a blockage. We trace where the cycle stalls, clear it, and replace the sensor if needed.
Your coffee emergency ends here
Call or submit the form. We confirm your address, model, and the issue.
An experienced technician arrives, runs full diagnostics, and identifies the root cause.
You receive a flat, itemized quote. Nothing proceeds without your green light.
We complete the repair, run a test cycle, and walk you through what to watch for.
Parts on the truck
What we've done
Their team consistently delivers exceptional maintenance services, prolonging equipment lifespan.

*Estimated based on the approximate distance from our nearest service centre, average commute time, and median service-call length for one machine. Prices in Canadian dollars (CAD $). Final quote provided on-site after diagnosis.
FAQ
20 answers covering service, repair, parts, installation, warranty, and edge cases.
Updated August 2026
The third hopper often sees lighter use, and the beans in it can develop an oily coating that slows the feed, sometimes with dose-sensor drift on top. We clean the third throat, recalibrate the dose, and confirm it feeds consistently over a run of shots. It's a common 5000 S+ quirk, not a sign of a worn grinder.
That's milk-protein buildup accumulating under sustained service, which the wider menu and higher volume accelerate. We deep-clean the Dynamic Milk, fit the right-sized cleaning cartridge, reset the air metering, and verify each profile. Keeping the daily clean on schedule is what stops it returning.
Under continuous demand, scale, a degrading element, or a regulator drifting will all slow recovery. We descale, test the element resistance, confirm the regulator holds spec, and replace whatever is failing. On a machine pouring 250 a day, scale is usually first on the list.
WMF steel burrs typically go 12 to 24 months at high volume, but they wear faster on the hopper doing the most work. The tell is dose drift and thinning shots. We weigh dose from each grinder, measure the burr gap, and replace burrs only when the measurements say so.
Almost always worth repairing. A 5000 S+ is a major capital machine, and most faults, even a brew unit overhaul or a grinder rebuild, cost a fraction of replacement. We give you the repair quote and an honest read on the machine's remaining life, and you make the call.
Usually NTC sensor drift or scale buildup throwing off the reading. We descale the circuit, recalibrate the temperature, and replace the NTC if it reads out of spec. Unstable brew temperature shows up as inconsistent extraction, so it's worth sorting before it affects the cup.
Yes, that's the point of the three hoppers and grinders: decaf, a house espresso, and a second blend can all run without anyone swapping beans mid-service. The trade-off is that the least-used hopper needs its throat kept clean, which is the most common feeding issue we see on the platform.
The high-wear items ride on the truck: Dynamic Milk seals and O-rings, milk hoses and impellers, brew unit gaskets and cam followers, and common sensors. That handles most 5000 S+ calls in one visit. Burr sets, a full brew unit, a display, or a pump are ordered per job, usually with us in a day or two.
Flat rate for the visit, parts billed at their actual cost on top. You'll hear the rate when you book, and for bigger jobs we quote in writing on-site before any work starts. No estimate that balloons mid-job.
Same-day. Call in the morning and a technician is usually on-site before the day is out; calls placed later in the day book for the next morning. Urgent breakdowns get priority routing.
The GTA and most of the Golden Horseshoe: Toronto through Mississauga, Vaughan, and Markham, out to Oshawa, Hamilton, and Niagara. If you're not sure you're in range, call and we'll tell you straight.
No. We work call by call. Plenty of customers put us on a maintenance schedule eventually, but that's their choice after seeing the work, never a requirement.
Parts carry their manufacturer warranty, and we stand behind our labour: if the same fault recurs, call us and we'll review it. Specific terms are discussed upfront on each job, not promised in marketing copy.
On-site whenever possible, which is most of the time. If a job genuinely needs the bench, like a full boiler rebuild or major electronics work, we'll say so before anything leaves your building.
Call us or send the form on this page. We confirm the machine, the fault, and a time window the same day. If it's urgent, say so and we'll route the nearest technician.
Diagnosis first: we confirm the fault, tell you what caused it, and quote the fix before touching a wrench. Most repairs finish in that same visit because the common wear parts ride on the truck.
High-wear parts for the platforms we service constantly ride on the truck. Anything else we order, usually next-day where suppliers allow, and we tell you the lead time before committing you to anything.
Usually, yes. We service legacy machines for as long as parts can be sourced, and we're honest when a repair stops making financial sense against a replacement. You get the math, you make the call.
Often, but that's not the pitch. We quote against the actual work, not a factory pricing book, and we'll tell you when a manufacturer warranty claim is the better route. Transparency is the value; the price usually follows.
Yes, and we do it by default on the way out. Half of repeat faults trace back to skipped daily cleaning or wrong routine, so the technician walks your team through what actually matters before leaving.
One call books a technician who knows this triple-grinder WMF inside out.
Call (289) 217-3796 now →