LAVAZZA LB 2800 Maintenance Manual

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Summary of LB 2800

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    Lb 2800-2801-2810-2811 maintenance manual for technical assistance m anual code 10066574 / r el . 2.00 / f ebruary 2012.

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    Lb 2800 machine code 10080022 lb 2801 machine code 110080118 lb 2810 machine code 10080005 lb 2811 machine code 10080023 manual code 10066574 rel. 2.00 edition 02/2012 www.Absoluteaftersales.It © copyright lavazza s.P.A. Tel. 0039.011.2348429 fax 0039.011.23480466 technicalservice@lavazza.It certifi...

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    Manual code 10066574 / rel. 2.00 / february 2012 maintenance manual for technical assistance table of contents 1. General informationi . . . . . . . . . . . . . . . . . 1 1.1. Structure of the manual . . . . . . . . . . . . . . . . . . 1 1.1.1. Scope and content . . . . . . . . . . . . . . . . . . ....

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    Iv manual code 10066574 / rel. 2.00 / february 2012 maintenance manual for technical assistance 9.3.1. Cappuccinatore (only lb 2800 - lb 2810 models) . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 9.3.2. Capsule-holder . . . . . . . . . . . . . . . . . . . . . 21 9.3.3. Steam pipe (only lb...

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    Manual code 10066574 / rel. 2.00 / february 2012 1 maintenance manual for technical assistance 1. General information 1.1. Structure of the manual before any operation is carried out on the machine,the maintenance technician must carefully read the instruc- tions contained in this publication. The u...

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    1.3. Machine composition if not expressly indicated in the text, the position num- bers of the machine components refer to figures in the chapters 1.3.5. External components and 1.3.6 internal components. 1.3.1. Models lb 2800 - lb 2810 lb 2801 - lb 2811 1.3.2. Identification data in the plate the f...

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    Lb 2800 - lb 2810 lb 2801 - lb 2811 1.3.6. Internal components 13) boiler 14) control unit 15) flowmeter 16) boiler pressure gauge 17) brewing unit 18) drain tray 19) internal power pump 20) cold water mixer valve 1.3.6.1. Boiler the boiler (a) is constructed of steel. A heat exchanger connected to ...

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    1.3.6.2. Brewing unit the brewing unit and the heat exchanger are funda- mental components to obtain espresso coffee. Specifically the function of the unit is coffee dispensing. In this system the brewing unit (1) is heated by a ther- mosiphon circuit (2) connected to the heat exchanger (3). The sam...

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    1.3.6.4. Flowmeter the flowmeter installed on the evd electronic machines, measures the quantity of water sent to the brewing unit for espresso brewing. The flowmeter generates an electric impulse which is sent to the electronic control unit. This impulse is read by the control unit and memorized du...

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    1.3.6.8. Electronic control unit this unit electronically controls the coffee dose via the water flow in the flowmeter and the boi- ler water filling. It also manages the operation of the automatic cappuccinatore. This control unit can be connected to counter sy- stems of the dispensing cycles via a...

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    Before carrying out any operation on the machine en- sure that the plug is disconnected from the current and that the machine is cool. In order to avoid any electric shocks, electrical parts and surrounding components must not: - enter into contact with any type of liquid; - be manipulated by humid ...

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    Carried out, the opening of any part of the hydraulic cir- cuit can cause a sudden outlet of overheat water under pressure. - be careful with the tips of the capsule perforator loca- ted inside the clamping ring of the group. - this machine is an appliance for espresso coffee di- spensing. Any other...

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    Posed and disposed of according to the waste col- lection and disposal regulation in force. 5.2. Positioning for a correct ergonomic use of the machine, place it on a stable and perfectly horizontal surface, away from water source, flames and heat. The area should be suf- ficiently illuminated, vent...

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    Note all filling connections are 3/8 male gas type. The drain tray is connected with a pipe of 16 mm. Inter- nal diameter. Warning the water mains must provide cold water for human consumption (drinking water) at a pressure between 1.5 and 5 bar. If the pressure is greater than 5 bar, connect a pres...

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    Attention during the machine’s warm-up phase (about 20 mi- nutes), the safety valve will release steam for a few seconds until the valve itself closes. Before using the machine, carry out some dry cy- cles with the capsule holders attached for a few se- conds, to release any air which may be in the ...

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    7. Configuration 7.1. Machine alarms the pilot light of the key dose is flashing: abnormal or absent reading of the dose during dispensing. Leds of the keyboard are flashing: the time-out device is activated. 7.2. Programming attention machine programming must be carried out by te- chnical staff. Be...

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    Note each dose should be programmed using a new cap- sule and not one previously used. 7.2.3. Hot water dispensing put the programming lever (1), situated under the ma- chine boiler cover, to the on position. Place the cup under the hot water nozzle (6). Press the prog/stop key (2) for at least 5 se...

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    The machine will now use the set sequence. Note the default setting of the machine is the simultane- ous dispensing of milk and coffee (c option). 7.2.5. Loading of default data to restore the factory settings proceed as follows: - put the programming lever (1), situated under the ma- chine upper gr...

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    Insert a capsule into the capsule holder, attach the cap- sule-holder to the brewing unit and tighten it firmly. Press the desired dose key (3): wait for coffee dispen- sing to be completed (the led lights up). To stop coffee dispensing in advance press the same di- spensing key or the stop/prog key...

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    7.2.9. Cappuccinatore (only lb 2800-lb 2810 mo- dels) preparing cappuccino immerse the suction pipe (1) in the milk. Insert a capsule into the capsule holder, attach the cap- sule-holder to the brewing unit and tighten it firmly. Place the cup under the spout of the cappuccinatore (2) and the capsul...

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    Maintenance manual for technical assistance 17 manual code 10066574 / rel. 2.00 / february 2012 8. Diagrams 8.1. Electrical diagram c n 1 + o - e v v e v g e v c m p r l2 r l3 r l4 r l5 r l6 r l7 r l8 c n 3 jp 1 jp 2 jp 7 jp 8 jp 6 jp 4 jp 12 jp 9 f 1 f 2 f s 1 f s 2 c n 2 c n 1 t r f 1 c n 7 jp 5 c...

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    8.2. Hydraulic diagram - o + e 1 2 3 4 5 6 7 8 9 16 10 11 12 13 14 15 17 18 s 20 21 19 22 11 23 hot water dispensing cappuccinatore coffee dispensing discharge water entry 0 1) water entry filter 0 2) built-in power pump 0 3) adjusting screw of pump pressure 0 4) pump pressure gauge cap 0 5) dischar...

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    9. Inspections and maintenance 9.1. Periodical inspections every week check the boiler pressure using the machine pressure gauge. Note the boiler pressure must be 0.8-1.2 bar. Every four months check the gaskets of the brewing unit (for brewing unit disassembling see the section 9.2.1). Every year c...

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    9.2.3. Replacing the perforator to replace the perforator proceed as follows: - with a small screwdriver, remove the spring (1) that blocks the perforator (2) in the capsule-holder seat; - remove the perforator (2) and replace it with a new one; - place the spring (1) back into position. 9.3. Cleani...

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    D) keep the stop/prog key pressed (3) for 8 se- conds, until the corresponding led lights up; e) to activate the cleaning cycle which has a duration of about 30 seconds, press the stop/prog key (3) again: the cappuccinatore will start drawing the de- tergent from the pipe and dispensing it from the ...

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    10. Troubleshooting 10.1. Signalling and solutions to the most common problems problem cause solution no electrical power on the ma- chine. The on/off switch is placed to “0” position. Place the on/off switch to “i” position. The on/off switch is damaged. Replace the on/off switch. The network switc...

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    Problem cause solution water leaks from the machine. The drain tray does not discharge. Check the sewer drain. The drain pipe is broken or detached or clogged. Check and restore the connection of the drain pipe to the drain tray. Water leaks in the hydraulic circuit. Check and eliminate any hydrauli...

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    Problem cause solution coffee is too hot. The boiler temperature is too high. Reduce the temperature in the boiler. The flow reducer of the brewing unit is not suitable. Replace the reducer with one of a smaller diameter. Coffee is dispensed too quickly. The diameter of the injector is too large. Re...

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    Problem cause solution unacceptable coffee dispensing. The coffee dose is not met. The led of the dose key fla- shes. The connection of the flowmeter is de- fective. Check for proper connection of the flowmeter. The connection of the electronic control unit is defective. Check for proper connection ...

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    Problem cause solution the pump leaks water. Poor mechanical seal of the shaft or the o-ring. Check the pump and take any cor- rective actions. The inlet and outlet connections are loose. Tighten the connectors. The hexagonal nut of the pressure relief valve or the filter are loose. Tighten the hex ...

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    Problem cause solution the cup is dirty with splashed coffee. Steam pockets during brewing. Reduce the water temperature. Air pockets in the hydraulic circuit. Tighten fittings or connectors which are loose. The flow reducer of the brewing unit is unsuitable. Replace the flow reducer. Manual code 10...