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Troubleshooting
Technical Manual AG440
© Thermoplan AG | 07/04/2022

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Summary of Contents for Thermoplan Aguila AG440

  • Page 1 Troubleshooting Technical Manual AG440 © Thermoplan AG | 07/04/2022...
  • Page 2 Change Log Troubleshooting - Aguila - 440 - B - en Change Log Revision Date Proof of Change Initials 2017-07-07 First release, basic document 2022-03-01 Various changes 2 / 52 © Thermoplan AG...
  • Page 3: Table Of Contents

    RF Box Refrigerator.............................  31 Milk Pump and Proportional Valve ...................... 32 Cold Milk Channel ............................ 33 Hot Milk Channel............................ 34 7 Cleaning.............................  35 Possible Errors ............................ 35 Cleaning Channel ............................ 36 8 Electronics .......................... 37 Possible Problems ............................ 37 © Thermoplan AG...
  • Page 4 Connector Overview of Power Board (power PCB) .................. 43 LED Overview of Power Board (power PCB) .................... 45 Connector Overview of Control Board (CPU) America ..................  47 LED Overview of Control Board (CPU) America ....................  49 Display Messages............................ 50 © Thermoplan AG...
  • Page 5: Access To Service Menu

    Upon exiting the technician menu, the water inlet valve is closed again. In the service menu, navigate to the menu item TECHNICIAN MENU "Input test left/right" or "Output test left/right". <INPUT TEST LEFT> TECHNICIAN MENU <OUTPUT TEST LEFT> © Thermoplan AG 5 / 52...
  • Page 6: Overview Of The Button Functions In The "Input Test" And "Output Test" Menus

    <- Ready Ready -> 1 Up (Cleaning button): next menu 4 Input (Espresso button): non-return valve/ check status/activate function 2 Down (rinse button): Previous menu 5 Cancel button 3 Standard (Ristretto button): No function 6 / 52 © Thermoplan AG...
  • Page 7: Service Menu: Input And Output Test

    • If a "click" sound can be heard, the valve works. Press input button. OUTPUT TEST LEFT / RIGHT ð Milk cleaning valve is opened. Milk Clean Valve • If a "click" sound can be heard, the valve works. © Thermoplan AG 7 / 52...
  • Page 8 ð Fresh water runs through the pump/milk outlet. Start internal rinsing sequence by briefly pressing the input button (5 min). Press and hold down the input button to test the OUTPUT TEST RIGHT fan in the refrigerator. Refrigerator fan 8 / 52 © Thermoplan AG...
  • Page 9 Press input button to switch on the cup heater. Check cup heater on the Power PCB by OUTPUT TEST LEFT / RIGHT means of the LED. Cup Heater ð The LED "LD1" illuminates on the Power PCB. © Thermoplan AG 9 / 52...
  • Page 10: Input Test

    • Displays the current temperature of the tea/milk INPUT TEST LEFT / RIGHT boiler. NTC Boiler 3 = xx.x °C • If a temperature of 3276.8 °C is displayed, either a cable break or short-circuit at the NTC has occurred. 10 / 52 © Thermoplan AG...
  • Page 11 Energy Save Button = O Press energy standby button. ð Display changes to "On". • "Off": Button is not pressed, standby mode is not activated. • "On": Button is pressed, standby mode is activated. © Thermoplan AG 11 / 52...
  • Page 12: Chassis

    Troubleshooting - Aguila - 440 - B - en Chassis Front view 1 Brewing Unit 5 Coffee boiler 2 2 CPU/power PCB 6 Coffee boiler 1 3 Milk cleaning key 7 Water inlet 4 RF Box 8 Water pump unit 12 / 52 © Thermoplan AG...
  • Page 13: Rear View

    Troubleshooting - Aguila - 440 - B - en Chassis Rear View 1 Refrigerator compressor 3 Water pump unit 2 Milk pump unit 4 Tea/milk boiler © Thermoplan AG 13 / 52...
  • Page 14: Left View

    Chassis Troubleshooting - Aguila - 440 - B - en Left View 1 Power PCB 4 Pressure gauge 2 CPU 5 Water pump unit 3 Coffee boiler 14 / 52 © Thermoplan AG...
  • Page 15: Right View

    Troubleshooting - Aguila - 440 - B - en Chassis Right View 1 Compressor fan 3 Water pump unit 2 Refrigerator compressor © Thermoplan AG 15 / 52...
  • Page 16: View From Above

    Chassis Troubleshooting - Aguila - 440 - B - en View from Above 1 Coffee boiler 4 Refrigerator 2 Tea/milk boiler 5 Brewing Unit 3 Compressor fan 16 / 52 © Thermoplan AG...
  • Page 17: View From Below/Drain System

    Troubleshooting - Aguila - 440 - B - en Chassis View from Below/Drain System 1 Drip tray outlet 3 Milk outlet 2 Outlet of overpressure valves 4 Into the drain © Thermoplan AG 17 / 52...
  • Page 18: Coffee/Water Part

    • Defective NTC on the boiler. In the "Input test" service "Please wait" menu check the NTC. • Defective component in the corresponding heating circuit. Check complete heating circuit: CPU/Powerprint/Triac; • Boiler has limescale. temperature fuses; heating element. 18 / 52 © Thermoplan AG...
  • Page 19: Water Channel To The Pump

    Water channel until pump and detailed view of water connection with non-return valve: Water inlet valve Reducing nipple Filter O-ring 12x2 Reduction MW Check valves Elbow fitting Water connection Bottom plate Water pump unit © Thermoplan AG 19 / 52...
  • Page 20: Detailed View Of Pressure Gauge/Bypass

    If the brewing pressure does not match the required values, the bypass can be adjusted as follows: 1 Bypass 2 Pressure gauge Loosen hexagon nut to adjust bypass. Adjust bypass: • clockwise: increase pressure • anticlockwise clockwise: decrease pressure Tighten hexagon nut again. 20 / 52 © Thermoplan AG...
  • Page 21: Components

    8 Coffee boiler 3 Overheating fuse (125°C) 9 Tea Valve 2 4 Milk outlet valve 10 Milk pump 5 Venting valve 11 Overpressure valve (16.5 bar ± 1 bar) 6 Output flowmeter 12 Cold milk valve © Thermoplan AG 21 / 52...
  • Page 22: Flow Coffee Channel

    Flow Coffee Channel 1 Water pump 6 Brewing chamber valve 2 Water outlet module right 7 Coffee outlet 3 Cleaning block 8 Brewing Unit 4 Overpressure valve 9 Flowmeter 5 Brewing valve 10 Coffee boiler 22 / 52 © Thermoplan AG...
  • Page 23: Tea Channel

    Troubleshooting - Aguila - 440 - B - en Coffee/Water Part Tea Channel 1 Tea Valve 1 4 Tea Valve 2 2 Coffee boiler inlet 5 Tea outlet 3 Cleaning tablet valve © Thermoplan AG 23 / 52...
  • Page 24: Brewing Unit

    • Coffee outlet broken/lost. Fit new coffee outlet. No coffee at the touch of a button • Keyboard print defective. Replace keyboard print. • Lever not closed. Check lever and close. • Microswitch no contact. 24 / 52 © Thermoplan AG...
  • Page 25 "BU Service required!" service menu "BU Max. indicates which BU must be products" was not reached. replaced). Reset the corresponding counter "BU left/right reset" in the service menu under "Statistics". © Thermoplan AG 25 / 52...
  • Page 26: Brewing Unit Overview

    5 Position of the capsule slot 3 Lever position of brewing unit closed 6 Lever position of brewing unit open View of Brewing Unit from Behind 1 Cold water inlet 3 Cold water outlet 2 Hot water inlet 26 / 52 © Thermoplan AG...
  • Page 27: Detailed View Of Brewing Unit Cross Section

    Troubleshooting - Aguila - 440 - B - en Brewing Unit Detailed View of Brewing Unit Cross Section 1 Cold water inlet 3 Cold water outlet 2 Hot water inlet 4 Coffee outlet © Thermoplan AG 27 / 52...
  • Page 28: Milk Component

    Top up milk. "Milk container empty. Top up • Cable break of the Milk Empty Check level temperature sensor milk" detector or the Minus detector in the input test [INPUT TEST in the milk suction tube. 28 / 52 © Thermoplan AG...
  • Page 29 "Output test" and "Milk pump error" replace if necessary. • Electrical circuit of the milk pump interrupted or short- Check electrical circuit. circuit occurred. Check/clean the milk system • Milk pump is blocked. Replace milk pump. © Thermoplan AG 29 / 52...
  • Page 30: Tea/Milk Boiler

    Troubleshooting - Aguila - 440 - B - en Tea/milk boiler 1 NTC 5 Heater 2 Coil output 6 Water inlet 3 Overtemperature fuses 7 Tea valve 1 4 Milk heating coil 8 Coil input 30 / 52 © Thermoplan AG...
  • Page 31: Rf Box Refrigerator

    8 Suction nozzle left 3 Fan refrigerator 9 Milk cleaning key 4 To the right module 10 To the left module 5 Suction nozzle right 11 NTC refrigerator 6 3-way sensor for level right © Thermoplan AG 31 / 52...
  • Page 32: Milk Pump And Proportional Valve

    3 Water outlet milk/tea boiler 9 Lip valve of proportional valve 4 Non-return valve with tea nozzle 10 Pressure reducing valve 5 Milk inlet 11 Outlet nozzle 6 Water inlet 12 DC motor of the milk pump 32 / 52 © Thermoplan AG...
  • Page 33: Cold Milk Channel

    2 Cleaning block milk pump 8 Milk outlet valve 3 Cold milk valve 9 Outlet 4 Merging of hot and cold milk 10 Cold milk 5 Milk outlet valve 11 Outlet 6 Venting valve © Thermoplan AG 33 / 52...
  • Page 34: Hot Milk Channel

    8 Milk outlet 3 Cold milk valve 9 Milk outlet valve 4 Milk heating coil 10 Cold milk 5 Merging of hot and cold milk 11 Hot milk 6 Milk outlet valve 12 Outlet 34 / 52 © Thermoplan AG...
  • Page 35: Cleaning

    • Cleaning tablet valve Check cleaning tablet valve in the defective. service menu "Output test" and replace if necessary. • Water flow to cleaning tablets interrupted. Check water channel. © Thermoplan AG 35 / 52...
  • Page 36: Cleaning Channel

    11 Milk outlet 4 Cleaning block milk pump 12 Plug connection 5 Plug connection 13 Venting valve 6 Cold milk valve 14 Milk outlet valve 7 Milk heating coil 15 Cleaning tablet valve 8 Tea valve 36 / 52 © Thermoplan AG...
  • Page 37: Electronics

    Main switch illuminates • Relay 4+1 defective. Check relay and replace if necessary. • Switching power supply/fuse on switching power supply Check switching power supply/ defective. fuse and replace if necessary. Display message "Powerboard error!" © Thermoplan AG 37 / 52...
  • Page 38 Select the desired product for by the cash register system for purchase. "No credit!" purchase. Select the product released for • Another product was selected purchase. than that which was released by the cash register system. 38 / 52 © Thermoplan AG...
  • Page 39: Connector Overview Of Control Board (Cpu)

    Troubleshooting - Aguila - 440 - B - en Electronics Connector Overview of Control Board (CPU) 1 CN5 Right Section 4 CN8 Supply © Thermoplan AG 39 / 52...
  • Page 40 3 CN3 EADI Left 6 CN6 Refrigerator • Connection display left • Fan 24V • Cleaning key • Cleaning tablet • Milk temperature 1+2 • Milk level low 1+2 • Milk container empty 1+2 40 / 52 © Thermoplan AG...
  • Page 41: Led Overview Of Control Board (Cpu)

    Troubleshooting - Aguila - 440 - B - en Electronics LED Overview of Control Board (CPU) 1 LD4, Milk level 1 low 5 LD17, CF card busy © Thermoplan AG 41 / 52...
  • Page 42 Troubleshooting - Aguila - 440 - B - en 2 LD3, Milk Level 1 empty 6 LD18, CF Card Power 3 LD14, Milk level 2 low 7 LD2, +3.3V Power Supply 4 LD13, Milk Level 2 empty 42 / 52 © Thermoplan AG...
  • Page 43: Connector Overview Of Power Board (Power Pcb)

    Troubleshooting - Aguila - 440 - B - en Electronics Connector Overview of Power Board (power PCB) 1 CN6 A4CB 7 CN7 Supply © Thermoplan AG 43 / 52...
  • Page 44 • Milk rinsing valve • Milk cleaning valve • Milk air valve • Cold milk valve 6 CN10 Flow, Brew, Drawer 12 CN1 Mains • Flowmeter 1+2 230 V Power Supply • Brewing chamber 1+2 • Capsule container 44 / 52 © Thermoplan AG...
  • Page 45: Led Overview Of Power Board (Power Pcb)

    Troubleshooting - Aguila - 440 - B - en Electronics LED Overview of Power Board (power PCB) 1 LD3 Supply 5 V 4 LD4 Tea boiler © Thermoplan AG 45 / 52...
  • Page 46 Troubleshooting - Aguila - 440 - B - en 2 LD6 Coffee boiler 2 5 LD1 Cup heater 3 LD5 Coffee boiler 1 6 LD2, Module left: Water pump 230 V module right: Refrigerator compressor 230V 46 / 52 © Thermoplan AG...
  • Page 47: Connector Overview Of Control Board (Cpu) America

    Troubleshooting - Aguila - 440 - B - en Electronics Connector Overview of Control Board (CPU) America F H1 F H2 1 CN6 A4CB 7 CN7 Supply © Thermoplan AG 47 / 52...
  • Page 48 • Milk cleaning valve • Milk air valve • Cold milk valve 6 CN10 Flow, Brew, Drawer 12 CN1 Mains • Flowmeter 1+2 • 208 V Power supply • Brewing chamber 1+2 • Capsule container 48 / 52 © Thermoplan AG...
  • Page 49: Led Overview Of Control Board (Cpu) America

    Troubleshooting - Aguila - 440 - B - en Electronics LED Overview of Control Board (CPU) America F H1 F H2 1 LD3 Supply 5 V 4 LD4 Tea boiler © Thermoplan AG 49 / 52...
  • Page 50: Display Messages

    Call technician milk pump or flowmeter errors again. Prepare product anew. occur. Examine error trace and • Repeated technical fault. eliminate any recently occurred errors. Carry out irregular PM. Do not reset service counter! 50 / 52 © Thermoplan AG...
  • Page 51 Troubleshooting - Aguila - 440 - B - en Notes © Thermoplan AG 51 / 52...
  • Page 52 Troubleshooting - Aguila - 440 - B - en Thermoplan AG Thermoplan-Platz 1 6353 Weggis, Switzerland Tel. +41 41 392 12 00 thermoplan@thermoplan.ch www.thermoplan.ch...

Table of Contents