English9689.3.3 Description of messages in the maintenance menuDISPLAY Description1 This function allows to show and reset the errors that may be present. It is also possible tocarry out maintenance on the vending machine.MAINTENANCE To reset the errors, use the menu under the maintenance item.… ImportantTo correct errors see chapter "Troubleshooting" and section "5-button Keypad".1.1. The VM stores in its internal storage significant incidents occurring in the VMC (for exampleerrors, trouble signals etc.)Error log Recording takes place when the error condition is detected and consists of saving thefollowing information:1- error code (or warning code) occurred2- location of signal source (e.g., which spiral motor, if the error is due to a spiral motor, orwhich coffee or instant product)3- day, month, hour and minute of error detection (this information is available only if theVM is equipped with a timekeeper).Display:1.1. Format of warning error description recorded in LOG:Error log ii/NNddmmm hh:mm Exx -aabbSee "LOG TABLE"1.2. It allows to rinse the brewing circuits of instant products. By pressing the ENTER key theautomatic cycle starts, thus activating in sequence each instant product circuit.Rinsing time1.3. Allows the use of the water filter to be checked.Water Filter1.3.1. Date of the last filter reset.Last Filter Change…1.3.2. Number of litres of water that can still be dispensed before the filter needs to beregenerated. When this value is less than 1, a Warning (W83) is recorded in the ErrorLOG.Remaining qty…1.3.3. Select YES to indicate a new filter has been installed This operation returns “Remaining Qty”to the same value as “Filter Limit” and the date in the “Last Filter Change” is changed totoday’s date.Filter reset…1.4. Allows some calibration operations to set up the machine.Calibrations1.4.1. Allows checking the quantity of powder dispensed by dosing unit 1.Dose K calib.To carry out the check, you must:1. remove the brew group2. prepare a container (e.g. a cup) to collect the coffee powder3- Select "Yes" from the menu, the machine grinds a coffee dose and discharges it4- check if the weight of the resulting dose corresponds to what expected, otherwise adjustthe dosing unit as shown in section "Dose Adjustment".1.4.2. Allows checking the quantity of powder dispensed by dosing unit 2.Dose C calib.To carry out the check, you must:1. remove the brew group2. prepare a container (e.g. a cup) to collect the coffee powder3- Select "Yes" from the menu, the machine grinds a coffee dose and discharges it4- check if the weight of the resulting dose corresponds to what expected, otherwise adjustthe dosing unit as shown in section "Dose Adjustment".