User manual GAGGIA D90

[. . . ] We thank you for your custom in the purchase of this product. By carefully following the instructions contained in this manual you will be sure to appreciate the quality of our machine. Please therefore carefully read the instructions of use contained in this manual, which comply with essential safety regulations. Prima della messa in funzione, leggere attentamente il manuale di istruzioni Carefully read the following instruction booklet before starting up the machine. [. . . ] 1 atm for every complete screw turn, When the machine is new the filter-holder sump may not be aligned (perpendicular to the machine itself) as shown in the figure at the side, however this does not effect the efficient function of the same. After a short period of use the sump will gradually settle into a correct position. A = Position of closed filter-holder with new machine. B = Position of closed filter holder with machine after a short period of use. Warning: Disconnect the electricity supply before undertaking this operation. 1mm ) than that fitted as standard are included. These packings may be used in the event of difficulty with insertion of the filter holder. Depending on the quantity of coffee ground, the appropriate filter must be as shown below to avoid that, once the coffee has dripped out, the leftover powder remains attached to the nozzle. Insert the filter holder into the unit filled with regularly ground, dosed and pressed coffee. Switch on the unit switch (E90) (17) or the unit control keyboard (D90) (16) and read the pressure on the pump pressure gauge (11). nB: The correct pressure is of 8-9 atm. the new impulse value of the measure is thereby memorized on the EPROM. Both the solenoid valve and the pump are de-activated thereby suspending product delivery and all the keyboard leds go out. To proceed with a new programming operation of other coffee measures T2-T3T4 (providing that the programming time out time of 30 sec is not exceeded) simply repeat the same operations with the same sequence as undertaken for key T1. Press key T5 to immediately escape from the programming stage. Wait until the pre-infusion function is complete before stopping delivery in progress. NOTE: During the programming of a unit the function of the other units is deactivated as well as tea dispensing. To programme the other units, press the specific programming key of each unit and carry out the same operations as undertaken on unit 1. In this case any variations in the measures are activated only on the unit on which one is actually working. It is possible to modify the timed tea measures according to the following sequence: Press key T5 of coffee unit 1 and keep pressed down for over 5 seconds and check that all the keyboard led indicators come on. Press the T6 tea key within 30 seconds (programming time-out). This begins the tea water delivery operation. [. . . ] In this way any coffee dust which may have been deposited between the metal filter (B) and the metal filter holder (A) are removed. This operation must be repeated every day. frequently check the filter holes (C) and remove any deposits. Should the water have been left in the ducts for a long time, it is necessary to allow some water to flow through them in order to remove any deposits. [. . . ]