Melitta 2954076 Troubleshooting, Fault display, trouble- shooting and fault ac- knowledgement

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TROUBLESHOOTING

7 Troubleshooting

7.1Fault display, trouble- shooting and fault ac- knowledgement

During operation, the control system moni- tors the operating status continually. Faults are displayed on the liquid crystal display. In case of malfunction s, the user / operator can intervene in accordance with the pro- cedures described in this chapter and at- tempt to troubleshoot the problem.

Brief description of troubleshooting pro- cess:

-Analyse message on the liquid crystal display. The possibilities are as follows:

!text message

!text message plus diagnosis point (DP) display

-First of all insert / remove the "user" / "manager" key card. If this clears the malfunction, then the c5 coffee maker will be once more ready to dispense beverages. Otherwise, see below.

-To troubleshoot the problem, proceed as described in sections «7.2.1 Textual error messages, 7 - 2» and «7.2.2 Error messages displayed via diagnosis points (DP), 7 - 6».

-Insert / remove "user" / "manager" key card a second time.

-If this clears the malfunction, then the c5 coffee maker will be once more ready to dispense beverages. If not, the malfunction will not clear itself, and "disconnect from the power supply / connect to the power supply" is not possible. If the malfunction is still unre- solved, then Customer Support must be contacted.

Detailed sequence of stages involved in troubleshooting - example initial situation:

Too much coffee powder was placed in

the filling chute following selection of E "Decaffeinated".

1.The normal beverage selection "Decaf- feinated" was made in the "Coffee cream" quantity.

2.Three heaped measuring spoons of coffee powder were put in the filling chute.

The following message appears ...

Select beverage

Error coffee partDP 16

3.Insert "user" / "manager" key card. The following message appears ...

Fault confirmed

4.Remove "user" / "manager" key card. The following message appears ...

c5

13:00 22.06.2004

5.Insert "user" key card.

The following message appears ...

TURN ON

Text

6.This message now appears ...

Select beverage

7.The fault has been cleared and the c5 coffee maker is ready to dispense beverages.

OI c5 eng V9 / 18.08.2006

7 - 1

© Cafina / Melitta

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Contents C5 E Retain for Future USE Description Safety instructions Initial start-up Controls and indicatorsOperation IiiDispensing of beverages Troubleshooting MaintenanceTaking out of service and storage External parts DescriptionDesign Internal parts Mode of operation Raised bean hopper option Cw cup warmer optionBean hopper lockable option Raised feet optionKey cards Standard options Technical dataCoffee maker types Export Machine identificationSwitzerland Filling data Dimensions and weightsOperating performance data Temperature and humidityEnvironmental conditions Space requirementsCafina / Melitta OI c5 eng V9 Safety information in these Operating Instructions Safety instructionsPlaces where warning Proper use Basic safety instructions2.1 c5 coffee maker Specific hazards and instructionsSafety Instructions Installed EF milk cooler Key cards Personal safetyAuthorised persons Safety mechanisms2.3 Maintenance personnel Service technician Maintenance dutyMaintenance personnel service technician Availability of these Operating InstructionsOverview Controls IndicatorsOperating modes Initial start-up Installed EF milk coolerNormal initial start-up Cw cup warmer3.1 Return to service after a faultOperation Power supply connec- tionControl panel Unit4.1 Brief descriptionProgramming the desired milk temperature Checking the desired milk temperatureWater drainage Water connectionWater intake Switching on the c5 coffee maker Switching on and offSwitching off the c5 coffee maker Empty drawer Switching the cw cup warmer on and off General sequence Dispensing of bever- agesDispensing normal coffee Espresso / Ristretto Same beverage Same beverage no Twin FunctionWith Twin function SH Select beverage With Twin function Shortly afterwards the following mes- sage appears Dispensing decaffeinated coffeePush the beverage outlet upwards Dispensing milkHot water outlet is hot Dispensing of hot waterDrawing steam Frothing milk manually Emptying the waste water canister Routine workRefilling fresh water canister Refill coffee beans Select beverage Bean hopper 1 empty Refill milk Emptying the coffee dregs drawer Cleaning the drip tray Control panel and button layout System workStructure of the functions Overview and adjustment valuesDaily counter CleaningTotal counter FunctionsFlow period hot water Coffee quantity ±1gPre-infusion 1 milk Pre-infusion 2 milkUse of the functions Card manager key card + button 4.5 Water quantity Flow period water Insert / remove card Card manager key cardFlow period milk Price 10. e.g x + button Coffee maker reset Resetting to initial instal- lation default settingsCleaning intervals MaintenanceMaintenance schedule Intervals Cleaning work CleaningIntervals between services ServiceMaintenance Cleaning procedure Detailed sequence of operations in the cleaning procedure Following message now appears Initial situation with the following dis- play Maintenance log Fault display, trouble- shooting and fault ac- knowledgement TroubleshootingTextual error messages Checklist for fault diagnosis and troubleshootingTroubleshooting Troubleshooting Troubleshooting Specifically for the temperature regulator unit Error messages displayed via diagnosis points DPStorage for a limited period / permanent StorageE Taking out of service and storageCafina / Melitta OI c5 eng V9 Packing and transportation Cafina / Melitta OI c5 eng V9 Disposal Cafina / Melitta OI c5 eng V9 Consumables, spare parts, ordering procedure Guarantee, con- sumables, spare parts, ordering pro- cedureGuarantee FIN Installation Serial-No Service Technician maintenance logOUT OI c5 eng V9 Cafina / Melitta Cafina / Melitta OI c5 eng V9 Index Index

2954076 specifications

The Melitta 2954076 is an advanced coffee maker designed for coffee enthusiasts seeking the perfect brewing experience. This model stands out in the crowded coffee machines market due to its exceptional features, user-friendly technology, and sophisticated design, making it a desirable choice for homes and offices alike.

One of the main features of the Melitta 2954076 is its innovative brewing technology, which ensures a consistent and delightful cup of coffee every time. The machine utilizes a unique drip brewing system that optimally extracts flavors from ground coffee, delivering a rich and aromatic beverage. Its programmable settings allow users to customize brew strength and cup size, catering to individual preferences.

The machine is equipped with a high-capacity water tank, which holds a generous amount of water, suitable for multiple servings without the need for frequent refills. This is particularly convenient for larger households or gatherings where multiple cups of coffee are often desired. The easy-to-read water level indicator ensures that users can quickly see how much water is left, preventing any unexpected shortages.

The Melitta 2954076 also features a built-in grinder, which provides the convenience of fresh coffee grounds at the touch of a button. This feature emphasizes the importance of fresh coffee in enhancing flavor, as it allows users to grind beans just before brewing. The machine also accommodates pre-ground coffee, providing versatility for different preferences and situations.

In terms of user experience, the Melitta 2954076 boasts an intuitive control panel that simplifies operation. With a digital display and straightforward buttons, users can easily navigate through the various settings. The automatic shut-off feature also ensures safety, turning the machine off after a specified period, which is an essential aspect for those who may forget to switch it off.

The Melitta 2954076 is designed with maintenance in mind. Its removable components, such as the filter holder and coffee pot, are dishwasher safe, making cleanup effortless. The built-in descaling program alerts users when it’s time for maintenance, ensuring the machine remains in optimal working condition.

Overall, the Melitta 2954076 is a versatile, efficient, and stylish coffee maker that highlights the brand's commitment to quality and innovation. It is perfect for coffee lovers looking for a reliable machine to produce delicious brews with minimal hassle.