Technical manual LP 14 1 INTRODUCTION This technical manual describes the LP 14. It contains a description of the electronics and the software. This manual is a reference document for maintenance personnel and operators who need to change settings on the machines or carry out repairs. See "User instructions" for more information regarding the installation or use of the LP 14.
Technical manual LP 14 2 SAFETY The LP 14 meets the requirements in respect of the CE mark. The following symbols are used in this technical manual: Indicates: caution, risk of personal injury. Indicates: caution, may cause damage to the machine.
The display PCB: includes the user interface (see paragraph 4.4) . The output PCB: the output relay (see paragraph 4.5) . 4.1 General specifications The general specifications of the LP 14 are shown in table 4-1 . Table 4-1 General specification of the LP 14...
The CON 2 connector is used to connect an electronic coin mechanism. The coin mechanism type can be selected in the service mode (see paragraph 5.3.5) . ETNA Vending Technologies b.v. can supply installation kits for the coinmechanism. 4.2.3 CONTROL PCB SOFTWARE: CON 3 The CON 3 connector is used to modify the control PCB software.
4.2.7 COIN MECHANISM: CON 7 The CON 7 connector is used to connect an executive protocol or MDB type coin mechanism. ETNA Vending Technologies b.v. is able to supply the interface cable for connecting a coin mechanism. 4.2.8 OUTPUT TO VARIOUS MOTORS: CON 8 The water outlet valves, brewer, mixer and the ingredient motors are connected to CON 8.
Technical manual LP 14 Pin code Function Cable colour brewer motor 12V DC purple water outlet valve 1 grey water outlet valve 3 green ingredient 1 black ingredient 2 orange mixer blue 4.2.9 INPUT SIGNALS: CON 9 The drip tray sensor, flow meter, encoder and temperature sensors are connected to CON 9.
Technical manual LP 14 Pin code Function Cable colour temperature sensor 1 yellow flow meter - grey encoder + encoder black drip tray sensor orange temperature sensor 2 grey temperature sensor 2 grey 4.2.10 CONNECTION TO OUTPUT PCB: CON 10 The control PCB is connected to the output PCB by acable between CON 10 (control PCB)and CON 4 (output PCB).
Technical manual LP 14 Figure 4-2 Power supply PCB 4.3.1 230V FROM POWER SUPPLY PCB: TB1 The power supply PCB receives 230V from the control PCB via a cable between connector TB1 (power supply PCB) and connector CON 2 (control PCB).
The CON 3 connector is used to connect an electronic coin mechanism. The coin mechanism type can be selected in service mode (see paragraph 5.3.5) . ETNA Vending Technologies b.v. can supply installation kits for the coinmechanism. 4.4.4 SELECTION PANEL: CON 4 The CON 4 connector is used to connect a selection panel.
Technical manual LP 14 4.4.6 LCD DISPLAY: CON 6 The CON 6 connector is used to connect the LCD display. 4.4.7 BATTERY: DISPLAY PCB This battery is used to retain the set time when the machine is switched off. 4.5 Output PCB The 230V components are connected to the expansion PCB.
Technical manual LP 14 The CON 3 connector is labelled as follows: 9 con3 output Pin code Function Cable colour the common wire black water inlet valve, 230V orange outflow, 230V purple water pump 1, 230V grey water pump 2, 230V...
Technical manual LP 14 5 SERVICE AND PROGRAMMING The service panel has a different function in each mode. Installation mode (see chapter 5.1) , operating mode (see chapter 5.2) and service mode (see chapter 5.3) are discussed in the following paragraphs.
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Technical manual LP 14 On display key drink 1 installation standard recipes key drink 1 installation language key drink 1 installation no beans key drink 1 installation test machine drink 1 button installation de-scale value key drink 1 service installation Fill the boilers before bringing the machine into operation.
Technical manual LP 14 5.1.1 REMOVING WATER FROM THE MACHINE The water can be pumped out of the machine prior to transporting the machine. Disconnect the water hose. On display Service panel Selection panel select a drink press button “0” for three <time>...
Technical manual LP 14 5.1.3 “NO BEANS” FUNCTION If the coffee beans run out, it is still possible to obtain drinks other than coffee. In the drink menu system, the machine can be set to disabled (no drinks available if coffee beans are used up) or enabled (drinks other than coffee available).
Technical manual LP 14 On display Service panel Selection panel installation button 0, 2x de-scale volume select a drink <time> <date> 5.2 Service Panel: user mode The equipment can be serviced while in user mode. Table 5-2 Sub-mode in user mode Sub-mode §...
Technical manual LP 14 Table 5-4 Rinsing the mixer On display Service panel Selection panel button 2 please wait, rinsing instant select a drink <time> <date> It is advisable to rinse the mixer several times. 5.2.3 RINSING THE BREWER Do not touch or put hands and fingers near to moving parts. When the...
Technical manual LP 14 On display Service panel Selection panel rinse timer: button 4 (+) or 5 (-) to drink 2 button 100 min required value installation button 0, 2x auto rinse select a drink <time> <date> 5.2.5 CLEANING THE BREWER Do not touch or put hands and fingers near to moving parts.
Technical manual LP 14 On display Service panel Selection panel select a drink button 1, 2x empty waste reset ingr.1 button 2 reset ingr.1 button 1 select a drink <time> <date> If the waste bucket counter is not reset after a total of 75 coffees the machine will not dispense any more drinks.
Technical manual LP 14 Table 5-10 Sub-modes in service mode Sub-mode On display § 5.3.1 Drink settings service drink settings Standard recipes service 5.3.2 drink assignment Resetting drink counters service 5.3.3 drink counters Reading the machine counters service 5.3.4 machine counters 5.3.5...
Technical manual LP 14 On display Service panel Selection panel select a drink <time> <date> 5.3.1.2 Adjust/test ingredient dosing The following is an example of how to adjust and test the dosing of “topping ingredient 1”. Table 5-13 Example topping ingredient 1...
Technical manual LP 14 Recipes Group division Hot water 900 - 999 5.3.2.1 Allocating recipes Example: allocating cappuccino to drink 2. Table 5-14 Allocate cappuccino to drink 2. On display Service panel Selection panel select a drink press button “0” for three <time>...
Technical manual LP 14 Table 5-16 Resetting total free counter On display Service panel Selection panel select a drink press button “0” for three <time> <date> seconds enter password: buttons 1, 2, 3 service button 4, 2x drink 2 button...
Technical manual LP 14 Table 5-20 Type of coin mechanism to be set Type of coin mechanism Number to be set None Validator Executive change machine MDB change machine Example: installing a validator. Table 5-21 Entering number for validator coin mechanism...
Technical manual LP 14 On display Service panel Selection panel time & date button 4/5 to the required drink 2 button date : xx : xx : xx : time & date button 4/5 to the required drink 2 button...
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Technical manual LP 14 Table 5-25 Enter/change pin code On display Service panel Selection panel select a drink press button “0” for three <time> <date> seconds enter password: buttons 1, 2, 3 service button 5, 3x drink settings service drink 1 button...
Technical manual LP 14 6 ERROR CODES AND REPORTS If a error occurs during normal operation, a error code appears in the display. The following table contains an overview of the error codes, possible causes and measures you need to take to remedy the error.
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Technical manual LP 14 and possible 2 Error Cause "Solution" message in the display report DE-SCALE NEEDED EFL 03 The water volume is Start de-scaling correct, but now de-scaling program is necessary DE-SCALE REQUIRED EFL 04 Water volume exceeded for...
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