--- title: "Weber E21: the hopper is running low on pellets" description: "What E21 means on Weber E21: the hopper is running low on pelletss, what to check before booking, and when it is not a failure at all." url: "https://bbqgrillrepair.center/error-codes/weber-e21/" --- # Weber E21: the hopper is running low on pellets Searwood models with a fuel gauge warn you before the hopper runs dry so a long cook is not interrupted. ## What E21 actually means. Searwood models with a fuel gauge warn you before the hopper runs dry so a long cook is not interrupted. It is a prompt to refill, not a sign that anything has broken. Weber grill display What to do when E21 shows on the grill ### Kind of code Pellet feed and auger Pellets stopped reaching the firepot. Sometimes the hopper simply ran low and a pellet bridge formed over the auger; more often damp pellets swelled into a hard plug inside the auger tube, or the auger motor strains and stalls against it. Emptying the hopper of soft or crumbled pellets and refilling with dry ones is a fair first step; clearing a packed auger tube, a sheared pin or a motor that hums without turning is a visit. ### Usually leads to Pellet grill auger and controller repair Jammed augers, dead hot rods, weak combustion fans, lying probes and failed controllers on pellet grills, traced and replaced with the maker's parts. ### Shows up as Grill Error Code on a Pellet Controller or Digital Panel A grill error code shows as letters and numbers on a pellet grill controller, a flashing light on a digital control panel, or an alert in the maker's app paired with the grill. ### Make Weber Weber grill calls often come from a flame that dropped low mid-cook; the tech starts at the tank, the hose and the regulator. ### Source Weber Searwood 600 / XL 600 owner's guide (US, 2024), troubleshooting pages Searwood 600 and Searwood XL 600 pellet grills with the Weber Connect digital controller (US owner's guide, 2024). Weber marks E21 as select models only. ## Before you book, in this order. Each step comes from Weber's own guidance for E21 on its grills. Follow it to the end: the last card says whether this is a visit. 01 Press the dial to dismiss the notification. 02 Refill the hopper with fresh, dry pellets. 03 If E21 keeps showing with a full hopper, wipe the fuel sensor lens with a soft dry cloth, not your fingers, and book a visit if it still persists over several cooks. ### Still there? It usually turns into [pellet grill auger and controller repair](https://bbqgrillrepair.center/services/pellet-grill-auger-and-controller-repair/). Book with the code and the model number. ### What not to do E21 does not mean the gauge has failed, which is E9, or that its lens is dirty, which is E20. A full hopper that still shows E21 points to one of those. ## What you may notice with it. The grill problems E21 tends to arrive with. Answer these at the grill before anyone is booked. [All problems](https://bbqgrillrepair.center/problems/) Before you call ### [Grill Error Code on a Pellet Controller or Digital Panel](https://bbqgrillrepair.center/problems/grill-error-code/) [All 7 causes, cheapest first](https://bbqgrillrepair.center/problems/grill-error-code/) It also comes with - [**Pellet Grill Not Feeding: Full Hopper, Starving Fire**](https://bbqgrillrepair.center/problems/pellet-grill-not-feeding/) Problem ### Grill Error Code on a Pellet Controller or Digital Panel 7 causes, cheapest first Where E21 usually leads ## Pellet grill auger and controller repair. **Auger clearing, auger motor, hot rod, combustion fan, probe or controller on a pellet grill · moderate.** Book a visit [What the job involves](https://bbqgrillrepair.center/services/pellet-grill-auger-and-controller-repair/) ## Weber grills. Weber grill calls often come from a flame that dropped low mid-cook; the tech starts at the tank, the hose and the regulator. [Weber grill repair](https://bbqgrillrepair.center/brands/weber/) More Weber codes [E1](https://bbqgrillrepair.center/error-codes/weber-e1/) [E2](https://bbqgrillrepair.center/error-codes/weber-e2/) [E3](https://bbqgrillrepair.center/error-codes/weber-e3/) [E4](https://bbqgrillrepair.center/error-codes/weber-e4/) [E5](https://bbqgrillrepair.center/error-codes/weber-e5/) [E6](https://bbqgrillrepair.center/error-codes/weber-e6/) [E7](https://bbqgrillrepair.center/error-codes/weber-e7/) [E8](https://bbqgrillrepair.center/error-codes/weber-e8/) [E9](https://bbqgrillrepair.center/error-codes/weber-e9/) [E10](https://bbqgrillrepair.center/error-codes/weber-e10/) [E11](https://bbqgrillrepair.center/error-codes/weber-e11/) [E17](https://bbqgrillrepair.center/error-codes/weber-e17/) [All 15 Weber codes](https://bbqgrillrepair.center/error-codes/#codes-weber) Pellet feed and auger on other makes [Twin Eagles LOW HEAT](https://bbqgrillrepair.center/error-codes/twin-eagles-low-heat/) [Coyote Low Temp Alarm](https://bbqgrillrepair.center/error-codes/coyote-low-temp-alarm/) Weber builds this ### Built-in gas grill A stainless grill head dropped into a masonry or steel island, fed by a tank or the house gas line, with its burners, knobs and lid working in open weather. Weber builds this ### Freestanding gas grill A gas grill on its own cart with wheels, side shelves and a propane tank below, or a hose to a house gas outlet, rolled into place on the patio. Weber builds this ### Infrared grill Grills that cook with radiant heat: ceramic or mesh infrared burners, sear stations beside the main burners, and radiant glass or emitter plates over a gas flame. ## In Weber's own words > You can continue to cook by pressing the dial, however, the grill fuel is low and will [Weber Searwood 600 / XL 600 owner's guide (US, 2024), troubleshooting pages](https://digital-assets.weber.com/documents/19977_8651007_121624_WEB.pdf) [Weber US Searwood 600 pellet grill owner page, FAQ on error codes](https://www.weber.com/US/en/searwood-600-owner-guide/1500120_OP.html) [Weber Searwood 600 / XL 600 owner's guide (US, 2024), troubleshooting pages](https://digital-assets.weber.com/documents/19977_8651007_121624_WEB.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Searwood 600 and Searwood XL 600 pellet grills with the Weber Connect digital controller (US owner's guide, 2024). Weber marks E21 as select models only. ## Weber E21 grill repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Press the dial to dismiss the notification. If it comes back, it needs a visit. ### How long can my Weber keep cooking after E21? It depends on your temperature and how many pellets are left. Refill soon, because a dry hopper leads to a lost flame. ### Why does my Weber show E21 when the hopper looks full? Dust on the fuel sensor lens can make it read low. Wipe it with a soft dry cloth; if the notification stays, the gauge needs checking. ### Do all Weber pellet grills show E21? No. Weber lists E21 for select models only, those fitted with a fuel gauge. --- **[Read on the site: Weber E21: the hopper is running low on pellets](https://bbqgrillrepair.center/error-codes/weber-e21/)** **[Book a visit with BBQGrillRepair.center](https://bbqgrillrepair.center/schedule/)**