La Marzocco GB/5 Manual

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La Marzocco GB/5 Manual Manual pdf 60 page image

TroubleshootingDescription Message SolutionMessageThis is the irst installation of the espresso machineand the CPU is asking for veriication of this event.This message is displayed after the boilers havebeen drained. The CPU is verifying that the coffeeboiler is full.This message is displayed when the CPU does notunderstand an instruction.This message is displayed when the steam boilerautoill cycle is activated and water is entering thesteam boiler.This message is displayed when the CPU does notdetect a full signal from the steam boiler within theset time interval.This message is displayed when the CPU does notreceive any signal from the Safety Probe in thesteam boiler.This message is displayed when the steam boilertemperature exceeds the maximum allowedtemperature.This message is displayed when the CPU does notreceive the appropriate signal from the lowmeter.This message is displayed when the coffee boilerdoes not reach the minimum temperature with theprogrammed time interval.This message is displayed when the coffee boilertemperature exceeds the maximum allowedtemperature.This message is displayed when the autosteamtemperature exceeds the maximum allowedtemperature.This message is displayed when password entereddoes not match the programmed password.Press the ENTER button on group 1 keypad to conirm. Then will initialize the CPU and boot theelectronics.Fill the coffee boiler with water (see operating manual for detailed instructions). Ensure that all air is bledfrom the coffee boiler using the air bleed screw atop each group casting. The CPU will display this messageto ensure that the coffee boiler is full before supplying power to the coffee boiler heating element.Most likely the machine power was disconnected with out irst turning off the machine through thekeypad and display. Turn off machine using main switch to cycly power on and off. This should clearthe error.No action is required when this message is displayed. This message is only displayed to notify theoperator of the active process.When this message is displayed the CPU also shuts down and turns off power to the machine (see theparameter “Level Timeout”). Press the ON/OFF button to reset this error.When this message is displayed the CPU turns off power to the steam boiler heating element. The onlyway to reset this error is to repair the Safety Probe to restore the signal to the CPU.When this message is displayed call an authorized service technician to repair this fault. The also CPUturns power off to the steam boiler.When the lowmeter alarm is displayed, the light on the corresponding button that initiated the brew cyclewill begin to lash. This problem is a result of water not lowing through the low meter. This can be causedby the coffee packed too tightly, a blockage in the tubes, a malfunctioning water pump, a faulty valve, ora damaged lowmeter. Call a service technician to ix this problem.See the parameter “Heating Timeout” for more information. The number on the display corresponds tothe number of the faulty coffee boiler.If this happens call an authorized service technician to repair this fault. When this message is displayedthe CPU turns power off to the coffee boiler displayed. The number in the display corresponds to thefaulty coffee boiler.If this happens call an authorized service technician to repair this fault. The number in this messageindicates the faulty Autosteam assembly.This error message will be displayed anytime an incorrect password is entered. The display will resetautomatically after 3 seconds. Then an addional attempt may be made.• This espresso machine is equipped with several feedback mechanisms that alert the operator when an unusual condition occurs.Additionally the espresso machine will warn the operator when certain parameters fall below or above the programmed point. These errorsand warnings will appear as a message in the display.• The following section will describe errors and warnings that may appear in the displayFi r s t i ns t al l at .Ent er t o c o nf i r mCof f ee boi l erf i l l ed?Cor r u pt edDat aFi l l i ng- u pi n pr og r es sFi l l i ng- u pAl a r mSt ea m Boi l erEmpt ySt ea m Boi l erTemper at u r eFl owmet erAl a r mCof f ee Boi l er 1Heat i ngCof f ee Boi l erTemper at u r eAut os t ea m 1Temper at u r eWr ongPas s wor d