--- title: "What a Coffee Machine Error Code or Warning Symbol Means: Causes and Fixes" description: "A coffee machine error code may show as a short string of letters and numbers, a flashing symbol for water, grounds or the brew unit, a short sentence on a text…" url: "https://coffeemachinerepair.center/problems/coffee-machine-error-code/" --- # What a Coffee Machine Error Code or Warning Symbol Means A coffee machine error code may show as a short string of letters and numbers, a flashing symbol for water, grounds or the brew unit, a short sentence on a text display, or a machine that stops with one light blinking. ## What it usually means. A fully automatic machine checks a long list of things before and during every cup: whether the tank is in and has water, whether the flowmeter sees water moving, whether the heater reaches its temperature, whether the grinder turns and the brew unit reaches its positions, whether the tray and grounds container are in, and on many models how long ago the milk system, the filter and the descaling were done. When one of those checks fails or comes due, it shows a code or a symbol. A good part of them are reminders and modes rather than failures: descale, clean, change the filter, rinse, energy save and even a demonstration mode on a floor model. Makers use different symbols for the same thing, and one number can mean different things on two brands, so the model number is what decides. Our code pages group every make's signals into families such as water and tank, grounds and drip tray, brew unit, grinder and beans, heating, milk system and the board. None of them call for opening the housing or pulling a built-in out of its cabinet. The 7 causes, cheapest first Answer these first 01 What exactly does the display show: the characters, the symbol, and whether it flashes? 02 Did it appear at switch-on, during a drink, or after cleaning or descaling? 03 Does the machine still make hot water or any drink? 04 After a switch-off with the main switch for a minute, does it come back, and how soon? 05 What is the model number on the plate behind the service door or under the tray? ## Check these before you book. Coffee machine error code: 5 checks, and none of them costs anything. 01 Note the characters or symbol exactly, and whether it flashes or stays lit. 02 Finish any reminder the machine asks for, such as descale, clean or filter, and see whether the code goes. 03 Look up the code under your make on our code pages, or in the manual for that model number. ### Also worth checking - Switch the machine off with its main switch for a minute, then on, and note how long the code takes to return. - Leave the housing closed and a built-in in its cabinet whatever the code says; what it points to is checked on a visit. ### How soon does it need a visit? A code alone rarely calls for a same-day visit. Water near power, a burning smell, a breaker that trips or steam spraying outrank any code: go to that page first, then book. ## The causes, cheapest first. 7 things what a coffee machine error code or warning symbol means turns out to be, from a reminder or a mode to board and power. [The cost guide](https://coffeemachinerepair.center/cost/) 1. 01 no repair ### A reminder or a mode Descale, clean, change the filter, rinse, energy save and demo modes show their own symbols. The manual shows what each asks and how to finish it. No repair: check it yourself 2. 02 no repair ### Water, tank or supply A tank not seated, a float stuck or a half-closed supply sets a water code. Seating the tank or opening the valve clears most of them. No repair: check it yourself [See coffee machine not detecting the water tank](https://coffeemachinerepair.center/problems/coffee-machine-water-tank-not-detected/) 3. 03 no repair ### Grounds container or tray A container emptied with the power off, or a tray not fully in, keeps its code. Emptying with the machine on clears it. No repair: check it yourself [See coffee machine empty grounds message will not clear](https://coffeemachinerepair.center/problems/coffee-machine-grounds-message-wont-clear/) 4. 04 low to moderate ### Grinder or beans A grinder that turns without beans reaching it, or one that jams, sets a bean or grinder code. [Fixed by coffee machine grinder repair](https://coffeemachinerepair.center/services/coffee-machine-grinder-repair/) [See coffee machine grinder not working or grinding unevenly](https://coffeemachinerepair.center/problems/coffee-machine-grinder-not-working/) 5. 05 moderate ### Brew unit position or drive A brew unit that does not reach its positions in time sets a code of its own and often knocks. [Fixed by coffee machine brew unit repair](https://coffeemachinerepair.center/services/coffee-machine-brew-unit-repair/) [See coffee machine brew unit stuck or will not come out](https://coffeemachinerepair.center/problems/coffee-machine-brew-unit-stuck/) 6. 06 moderate ### Heating and temperature A heater that does not reach temperature or a sensor that reads outside its limits sets a heating code. [Fixed by coffee machine heater repair](https://coffeemachinerepair.center/services/coffee-machine-heater-repair/) [See coffee from the coffee machine not hot enough](https://coffeemachinerepair.center/problems/coffee-machine-coffee-not-hot/) 7. 07 moderate to highest ### Board and power A board that fails its own check or loses communication with the display shows a code at switch-on. [Fixed by coffee machine control board repair](https://coffeemachinerepair.center/services/coffee-machine-control-board-repair/) [See coffee machine not turning on at all](https://coffeemachinerepair.center/problems/coffee-machine-not-turning-on/) 8. What it costs ### Every repair on the site's cost scale, side by side Open the cost guide ## What else it could be. Most often confused with coffee machine descale message will not go away, then coffee machine not detecting the water tank. [All problems](https://coffeemachinerepair.center/problems/) Codes that come with it - [`Fill water tank with fresh water` Bertazzoni · Water and tank](https://coffeemachinerepair.center/error-codes/bertazzoni-fill-water-tank-with-fresh-water/) - [`Empty grounds container` Bertazzoni · Grounds and drip tray](https://coffeemachinerepair.center/error-codes/bertazzoni-empty-grounds-container/) - [`Insert ground container` Bertazzoni · Grounds and drip tray](https://coffeemachinerepair.center/error-codes/bertazzoni-insert-ground-container/) - [`Fill bean container` Bertazzoni · Grinder and beans](https://coffeemachinerepair.center/error-codes/bertazzoni-fill-bean-container/) - [`Ground too fine. Adjust grind level 1 level while in operation` Bertazzoni · Grinder and beans](https://coffeemachinerepair.center/error-codes/bertazzoni-ground-too-fine/) - [`Insert brewing unit` Bertazzoni · Brew unit](https://coffeemachinerepair.center/error-codes/bertazzoni-insert-brewing-unit/) [138 more codes, by make](https://coffeemachinerepair.center/error-codes/) Also related - [**Coffee Machine Empty Grounds Message Will Not Clear** 6 causes](https://coffeemachinerepair.center/problems/coffee-machine-grounds-message-wont-clear/) ### Coffee Machine Descale Message Will Not Go Away 6 causes ### Coffee Machine Not Detecting the Water Tank 6 causes ### Coffee Machine Brew Unit Stuck or Will Not Come Out 6 causes ## The makes it happens on. 12 makes on this site; what a coffee machine error code or warning symbol means can show up on any of them. Each mark opens that make's own page. [All 12 brands](https://coffeemachinerepair.center/brands/) ## What a Coffee Machine Error Code or Warning Symbol Means, where we come out. 9 metros, each with its own page. 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Often not. Many symbols are reminders for descaling, cleaning or the filter. The manual or our code pages tell which is which. ### The same coffee machine code returns after a restart. Why? A restart clears the display but not the cause. If the code returns, the check it belongs to failed again and needs a look. ### Can the coffee machine still be used with a code showing? Some codes block only one drink or milk; others stop the machine. If it brews and nothing smells hot or leaks, book at a normal pace. ### Why do two coffee machine brands show different codes for the same problem? Each maker writes its own list. The model number decides what a code means, which is why our pages sort them by make. --- **[Read on the site: What a Coffee Machine Error Code or Warning Symbol Means: Causes and Fixes](https://coffeemachinerepair.center/problems/coffee-machine-error-code/)** **[Book a visit with CoffeeMachineRepair.center](https://coffeemachinerepair.center/schedule/)**