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60 

 

LIBERO LINE FRY TOP INDUCTION

 

TROUBLESHOOTING 

The following chapters are intended only for authorized technicians / engineers 

 

5.1  INTRODUCTION 

Refer to the alarms described at § 

ALARM CODE LIST

 

 

 

SERVICING

 

THE

 

APPLIANCE 

The following chapters are intended only for authorized technicians / engineers 

 

 

6.1  LIST OF NEEDED TOOLS 

 

Complete Socket & Wrench set  (from 6 to 24) 

Complete allen button set 

Bent long nose pliers 

Screwdrivers Philips "small / medium / large"  

Screwdrivers flat "small / medium / large" 

Clamp amp meter  

Multimeter (voltage reader) 

Tongue groove pliers  (water & gas pipes)  

Grip lock plier 

Protective gloves (heatproof / cut proof) 

Refer also to the § 

PERSONAL PROTECTION EQUIPMENT 

 

 

 

WARNING ! 

Take GREAT CARE when connecting / testing anything with live current, if you are unsure what you are 
doing and how to use your equipment safely, then 

DON'T DO IT.

 

Summary of Contents for 406600899

Page 1: ...Service Manual Fry Induction Top IGEC 3P 2ZQT Art 406600899 2021 04 ...

Page 2: ...are still doubts regarding machine use do not hesitate to contact the Man ufacturer or the Customer Care to receive prompt and precise assistance for better operation and maximum efficiency of the machine During all stages of machine assessment always respect the current regulations on safety work hygiene and environmental protection It is the user s responsibility to make sure the machine is star...

Page 3: ...W 600887 E1IREDOMES LLFTD3S 50 60 380 415 V 3N 7 600899 Z1IREDOMES LLFTD3S 50 60 380 415 V 3N 7 600886 E1IREEOMCS LLFTS1S 50 60 220 240 V 3 5 600898 Z1IREEOMCS LLFTS1S 50 60 220 240 V 3 5 600906 E1IREEOMCU LLFTS1S 50 60 220 240 V 3 MODEL 1PH 3PH Phase SZ Single Zone DZ Double Zone SA Stand Alone DI Drop In TYPE LL Libero Line FT Fry Top S D Single Double zone 1 3 Phase S Stand Alone ...

Page 4: ...ATIONS 17 2 1 4 LIST OF POSSIBLE INSTALLATION SOLUTIONS 17 2 1 4 1 ON BASE REFRIGERATED BASE 17 2 1 4 2 ON LIBERO POINT 18 2 1 4 3 DROP IN 18 2 1 5 APPLIANCE REQUIREMENTS 19 2 1 5 1 POWER VOLTS 19 2 1 5 2 AIR CIRCULATION 19 2 1 5 3 APPLIANCE LOAD 19 2 2 ELECTRIC CONNECTION 20 2 2 1 HOW TO RECOGNIZE PHASE AND NEUTRAL 20 2 2 2 RESIDUAL CURRENT 22 2 3 FIRST START UP 22 2 3 1 DAILY STARTUP 22 2 3 2 PR...

Page 5: ...40 4 5 3 2 S1 SOFTWARE EDITION 41 4 5 3 3 S2 SELF DIAGNOSTIC TEST OF GENERATORS OFF 43 4 5 3 4 S3 SELF DIAGNOSTIC TEST WITH GENERATORS ON 46 4 5 3 5 S4 COOKING TOP COUPLING 49 4 5 4 HOB TO HOOD H2H SPECIAL FUNCTION 52 4 5 5 MANUAL FAN SPEED 52 4 5 6 AUTOMATIC FAN SPEED 53 4 5 7 ALARMS 55 4 5 7 1 ALARM CODE LIST 57 4 6 SOFTWARE UPDATE 59 5 TROUBLESHOOTING 60 5 1 INTRODUCTION 60 6 SERVICING THE APPL...

Page 6: ... appliance Clarifications and explanations Only specialized personnel are authorized to operate on the machine This appliance must not be used by minors and adults with limited physical sensory or mental abilities or without adequate experience and knowledge regarding its use Do not let children play with the appliance Keep all packaging and detergents away from children Cleaning and user maintena...

Page 7: ...igns To guarantee machine efficiency and correct operation periodical maintenance must be carried out according to the instructions given in this manual Make sure to periodically check correct operation of all the safety devices and the insulation of electrical cables which must be replaced if damaged Extraordinary machine maintenance operations must only be carried out by specialized Technicians ...

Page 8: ...o chemical risk and possible damage to health depending on the model 2 During these operations the worn gloves must be cut resistant Failure to use the personal protection equipment by operators specialized personnel or users can involve exposure to damage to health depending on the model 1 2 2 GENERAL INFORMATION The machines are provided with electric and or mechanical safety devices for protect...

Page 9: ... 2 3 RESIDUAL RISKS The machine has several risks that were not eliminated from a design standpoint or with the instal lation of adequate protection devices Nevertheless through this manual the Manufacturer has taken steps to inform operators of such risks carefully indicating the personal protection equipment to be used by them Enough spaces are provided for during the machine instal lation stage...

Page 10: ...hine area Prohibition Meaning do not remove the safety devices do not use water to extinguish fires placed on electri cal parts Keep the area around the appliance clear and free from combustible materials Do not keep flammable materials in the vicinity of the appliance Install the appliance in a well ventilated place to avoid the creation of dangerous mixtures of unburnt gases in the same room Dan...

Page 11: ...tification sticker is located on the bottom of the appliance The meaning of the various information is listed below EXAMPLE PICTURE SERIAL NUMBER PRODUCTION DATE is necessary to find the correct spare part or to ask tech support EXAMPLE Serial Number 1 14 2 0001 PNC SER EXAMPLE TYPE LL FT S 1 S ...

Page 12: ...one 1 5 OVERALL DRAWINGS WITH MEASUREMENTS SINGLE ZONE Induction Fry Top Type LLFTS1S LLFTD3S Appliance description Single Zone Single Zone UK Double Zone Power supply voltage V 220 240 380 415 Frequency Hz 50 60 50 60 Phases Nr 1N 3N Max current A 16 13 16 Max total power kW 3 5 3 7 Plug Ty pe F Schuko G 3N PE 16A IEC 60309 ...

Page 13: ...13 LIBERO LINE FRY TOP INDUCTION DOUBLE ZONE ...

Page 14: ...ure management zone 2 Special function Service utilities Special function Cleaning ON OFF Touch the button the griddle will turn on a lamp test will occur and the zone will then be ready for temp regulation setting LOCK It is possible to lock the control panel while the cookingzones are in operation in order to prevent accidental changes of the power level To activate the function press the button...

Page 15: ... at ideal temperature at which to carry out the cleaning with specific cleaning liquid 180C C41 cleaning cooking surfaces TEMPERATURE MANAGMENT the temperature regulation can be set by pressing the sliding bar or pressing on the plus minus l Led illumination of the temperature management sliding bar explained ...

Page 16: ...500W Induction Power Board FOUCAULT 3 phase Single generator 5000W Induction Power Board UI User Interface HUI Hob User Interface ROADRUNNER User Interface PD or HPD Hob Pot Detection A circuit normally embedded in a POW able to detect pot presence over a coil HOB Induction Hob cooking appliance WOK Induction WOK cooking appliance FRY Induction Fry Top cooking appliance SZ Single Zone cooking appl...

Page 17: ...tion to install a baffle for preventing hot air to reach the oven fresh air intake this could create malfunctioning High room humidity may cause water to condensate on electric components hence causing short circuit 2 1 3 LIMITATIONS Induction appliances to guarantee continuous operation at maximum power the roomtemperature must be below 40 2 1 4 LIST OF POSSIBLE INSTALLATION SOLUTIONS Hereinafter...

Page 18: ...ied the indicated fixing pins and spring catches to be fixated on counter The pins replace the original feet of the top then the top can be positioned on the counter 2 1 4 3 DROP IN All appliances except fry tops are available with a specific PNC code as drop in D I model Example picture of a D I HOB the pictures of D I apliances on this manual are just for example ...

Page 19: ... CIRCULATION The appliance does not have aeration slots on the top surface underneath is located the inlet outlet passage slots The inlet passage is also equipped with removable metal mesh filters that can be removed to be washed with warm water and soap 2 1 5 3 APPLIANCE LOAD It is possible to load the appliances with a total weight of 40kg distributed across the surface ...

Page 20: ...s single phase supplied L N Put your meter in AC Volts setting Connect supply to the main terminal board MA but do not turn on the ap pliance Connect the meter test leads to the terminal board contacts the readings should be L1 L2 L3 N Phase and Neutral 230 Volts 6 based on European standards L1 L2 L3 Phase and Earth 230 Volts L1 and or L2 L3 Phase and Phase 400 Volts N Neutral and Earth 0 Volts o...

Page 21: ...21 LIBERO LINE FRY TOP INDUCTION In case of need the supply cable can be replaced removed ...

Page 22: ...e protective film from all the paneling s the protective film can be easily removed when the appliance has not been heated up If the appliance is run for a long period without removing the protective film the film could melt and then be difficult to remove damage the paneling s finishing 2 3 1 DAILY STARTUP Before you turn on the appliance make sure that The mains voltage and frequency match those...

Page 23: ...ppliance is equipped with four induction coil assembly zones Only the DZ appliance has two different settable temperature zones left zone 1 2 and right zone 3 4 2 4 COMISSIONING Please refer to the Commissioning form the document is available for authorized technicians on the web sites PRIDE SERVICE PORTAL AGELUX etc In case of any doubt refer to your local country customer care ...

Page 24: ...the top surface Do not pour large amounts of cold water ice onto the hot cooking top as thermal shock can damage the top s material Refer also to the PERSONAL PROTECTION EQUIPMENT when cleaning hot surfaces With a dedicated specific cleaning detergent Rapid Grease C41 follow the procedure instructions of the detergent With other detergents follow the instructions contained in the safety data sheet...

Page 25: ...sponge following the grain of the satin finish and rinse often rubbing in a circular motion combined with the particles of dirt on the cloth sponge could damage the steel s satin finish Dry carefully the surfaces after cleaning 3 2 3 GREASE TRAY AND AIR FILTERS Grease tray collector and air filters can be washed separately or inserted into a dish washing machine dry carefully or leave to dry on a ...

Page 26: ...a high performer and will require a big amount of fresh air to cool its internal components In case that the air filters do not cleaned when dirty the appliance could overheat and an alarm will be shown on the display WARNING Take GREAT CARE when connecting testing anything with live current if you are unsure what you are doing and how to use your equipment safely then DON T DO IT NOTE If the filt...

Page 27: ...AL DESCRIPTION FUNCTIONING 4 4 1 GENERATOR TESLA POW Pos Component B1 Generator POB TESLA GENERATOR B2 Ventilator VENTILATOR B3 Filter FILTER B4 Ventilator tang M1 VENTILATOR TANGENTIAL B5 User board USER INTER FACE U I B6 Coils tem perature sen sors COILS ...

Page 28: ...LATOR The ventilator BF001 is included into the Generator assembly it is not available as a single spare part The ventilator is commanded directly by the Generator its purpose is to cool down the heat dispel finned pack it s a 12v supplied motor ...

Page 29: ...VENTILATOR TANGENTIAL M1 NOTE If the filters start to get dirty and limit the fresh air passage before emitting an over heating alarm the appliance will start to limit the energy emission of the POW a typical call from a customer could be the appliance is not performing any more or after some time the appliance is not performing first phone check is making the customer have a look at the air intak...

Page 30: ...e communication cable U I to Generator To give power supply to the U I only one POW pob needs to have the bridge cable from BC001 to BC005 The POW that will not have connected a U I does NOT need this small bridge cable or the POW will go in short Refer also to the EWD at ELECTRIC WIRING DIAGRAM EXAMPLE ...

Page 31: ...keep in function the ventilation system in case of safety temp activation the appliance will turn back on and restart functioning In case of overheating an alarm will be displayed on the U I ALARM CODE LIST Temperature sensor it is located at the center of the coil assembly it measures the temperature of the cook ing surface Max temperature set point is 280C if for any reason the appliance will sp...

Page 32: ... the On Off button This possibility is always available no matter if cooking zones are cooking or not Automatic Switch OFF when all cooking zones are not cooking and the UI does not sense any user activity on the appliance for a proper timeout Safety Switch OFF when the UI sense a permanent pressure on at least one active button or slider point NOTE When turning off in case of residual heat inside...

Page 33: ...EEP In the meantime the UI switch ON as per standard way A first BEEP is generated A second BEEP is generated after 3 sec Key Lock and Service keys light ON white as in picture All other LEDs and keys are off and inactive BEEP OR OR UI is in COOLING_DOWN state and no HUI related alarms active TO BE CONTINUED User keep pressed Key Lock button for 3 sec until a third BEEP is heard 0 1 2 3 4 5 6 7 8 ...

Page 34: ...istory Hob2Hood mode Beep mode 8 sec 500ms ON OFF key OR Manual switch OFF Timeout event EXIT CUSTOMER MENU User touch the On Off key OR No active keys are touched within a 8 sec timeout UI return to OFF or COOLING_DOWN state Beep mode BEEP BEEP 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 ...

Page 35: ... pressure on the key cyclically change the Beep mode The user enter the CUSTOMER Example only current Beep mode maybe b0 or b1 Beep mode b0 Full buzzer use Example only BEEP BEEP Once selected the desired Beep mode user can press key to switch to Hob2Hood setting page press On Off key to exit CUSTOMER MENU or wait 8 sec to automatically exit from CUSTOMER MENU Exiting the Beep Mode page the new mo...

Page 36: ...od mode maybe from H0 to H6 Hob2Hood mode H5 Example only Hob2Hood mode H6 Hob2Hood mode H0 Hob2Hood mode H1 BEEP BEEP Hob2Hood mode H2 Hob2Hood mode H3 Hob2Hood mode H4 Hob2Hood mode H5 BEEP BEEP BEEP BEEP BEEP 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6...

Page 37: ...UI is completely off for void positions until the final timeout is reached At the end of the sequence the UI automatically return to the Alarm History initial page Alarm History initial page BEEP User can press key to switch to Beep mode setting page press key to restart alarm history visualization press On Off key to exit CUSTOMER MENU or wait 8 sec to automatically exit from CUSTOMER MENU 0 1 2 ...

Page 38: ...rd A second BEEP is generated after 3 sec Key Lock and Service keys light ON white as in picture All other LEDs and keys are off and inactive BEEP UI is in COOLING_DOWN state and no HUI related alarms active OR 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 60 200 280 0 60 200 280 C C 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 60 20...

Page 39: ...e utility S1 Service utility S2 Demo mode BEEP BEEP Service utility S3 Service utility S4 BEEP Demo mode d or do TO BE CONTINUED 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 ...

Page 40: ...tch OFF Timeout event EXIT SERVICE MENU User touch the On Off key OR No active keys are touched within a 8 sec timeout UI return to OFF OR OR COOLING_DOWN state BEEP BEEP 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0 60 200 280 0 60 200 280 C C 4 5 3 1 DEMO MODE ...

Page 41: ...t digit shows the last two numbers of HUI software version Step 1 Example for SW Ver 44 3 sec HUI software version STEP 2 CONFIGURATION VERSION Left digit shows step indication 2 Right digit shows the last two numbers of configuration version Step 2 Example for configuration 87 3 sec Configuration version TO BE CONTINUED 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 0 60 200 280 0 60 200 280 C C 0...

Page 42: ...exit from SERVICE MENU NOTE Described sequence can be interrupted anytime pressing the On Off key The HUI will automatically return to OFF or COOLING_DOWN state All other keys are disabled HC1 Power Micro version Example for Power Micro version not present 3 sec 3 sec 3 sec HC2 Power Micro version STEP 6 HC2 POWER BOARD Power Micro VERSION Tesla HC Not used right digit shows Foucault HC Right digi...

Page 43: ...r boards POW self diagnostic test with induction generators OFF During this test there is no need to place pots on cooking zones For FRYTOP there is no need to have the cooking plate mounted over the coils Induction generators are OFF APD relay open so meaning pot detec tion and power generation is not done ...

Page 44: ...44 LIBERO LINE FRY TOP INDUCTION ...

Page 45: ...45 LIBERO LINE FRY TOP INDUCTION ...

Page 46: ...ction is executed All generators meaning all coils on all cooking zones are ON at maximum power defined in the configuration Level 9 NOTE This test is not always accurate By repeating the test several times it happens with a certain frequency that the equipment is unable to provide the result without a physical change having occurred on the equipment On double zone appliances most of the time only...

Page 47: ...47 LIBERO LINE FRY TOP INDUCTION ...

Page 48: ...48 LIBERO LINE FRY TOP INDUCTION ...

Page 49: ...ingle phase generator 3500W The test is done in three steps Step 1 The POW measure the main power supply voltage without load power request zero Step 2 On FRYTOP appliances the max power is applied to all coils power level 9 to every coils generators belonging to the cooking area Real generated power is estimated measuring the current on the coil and a coupling factor is showed as Coupling factor ...

Page 50: ...50 LIBERO LINE FRY TOP INDUCTION ...

Page 51: ...51 LIBERO LINE FRY TOP INDUCTION ...

Page 52: ...he possibility to select desired hood fan speed from speed zero meaning fan OFF to speed 4 max by repeatedly pressing the H2H button on the U I of the appliance This function is always available when the UI is ON no matter if cooking zones are IDLE STANDBY or COOKING sub state When U I enters an ON state the manual Fan Speed is not active Fan speed is initially set to zero and will eventually chan...

Page 53: ...t used for Automatic Fan Speed but just for Manual Fan Speed regulation Automatic fan speed signals are sent also during Cleaning or even if there is an POW error Required speed maybe wrong when the error involves a temperature sensor because temperature reading is unreal H2H ICON Regardless of whether Manual or Automatic Fan Speed mode is active H2H icon indicated the required hood fan speed as f...

Page 54: ...54 LIBERO LINE FRY TOP INDUCTION ...

Page 55: ...The error appears on the U I zone associated to the gener ator in error or unable to work as a consequence of the malfunction So meaning In one display only when the alarm impact only one generator inside a specific POW e g E411 Coil temperature sensor open not connected Visualization is done on the U I zone associated to the defective generator This is done to allow technician to correctly identi...

Page 56: ...56 LIBERO LINE FRY TOP INDUCTION ...

Page 57: ... Bad circuit means temperature 290 C on Tesla POW Bad circuit means temperature 300 C on Foucault POW For Tesla POW HOB WOK diagnostic is executed on both generators Front and Rear even if not really used in a spe cific configuration i e in a single zone configuration For this reason a dummy sensor 100kOhm resistance must be con nected on the unused input Check temp sensors E411 E412 POW Yes Yes T...

Page 58: ...ed on both generators Front and Rear within the single Tesla POW 4 4 7 3 4 Check temp sensors DUMMY sensor has been swapped position af ter Spare Part re placement E501 U I No No The alarm is showed on both display left and right On Libero Line this may happen when a wrong firmware is used for the hardware Check cor rect U I spare part E601 POW No Yes 15V BAD 15 Volt supply out of window Check vol...

Page 59: ...h one zone only when the other one is in error Check com munication cables POW to U I E831 E832 U I Yes Yes MACS_ACK_TOUT U I1 detects MACS acknowledgements missing to POW1 This alarm appears if communication is lost during standard operation The alarm is overridden by E821 after some sec onds The alarm is showed on both display Check com munication cables POW to U I E911 U I BUTTON _LOW _REF Touc...

Page 60: ... TOOLS Complete Socket Wrench set from 6 to 24 Complete allen button set Bent long nose pliers Screwdrivers Philips small medium large Screwdrivers flat small medium large Clamp amp meter Multimeter voltage reader Tongue groove pliers water gas pipes Grip lock plier Protective gloves heatproof cut proof Refer also to the PERSONAL PROTECTION EQUIPMENT WARNING Take GREAT CARE when connecting testing...

Page 61: ...guide to access various parts To locate the component of interest please refer to the following and illustrations Each component is marked with a name number and a page which explains in detail how to take it apart WARNING CAUTION Before any operation on the machine read Chapter SAFETY INFORMATION PRECAU TIONS We recommend for any phase involv ing the removal of the components to use cut resistant...

Page 62: ...62 LIBERO LINE FRY TOP INDUCTION 6 2 1 APPLIANCE CASING This operation is valid for all libero line appliances stand alone ...

Page 63: ...removed the appliance casing 6 2 2 1 GENERATOR Pos Component B1 Generator GENERATOR B2 Ventilator VENTILATOR B3 Filter FILTER B4 Ventilator tang USER INTER FACE U I VENTILATOR TANGENTIAL B5 User board USER INTER FACE U I VENTILATOR TANGENTIAL B6 Coils COILS ...

Page 64: ...64 LIBERO LINE FRY TOP INDUCTION 6 2 2 2 VENTILATOR 6 2 2 3 FILTER Refer to pictures at FILTER ...

Page 65: ...65 LIBERO LINE FRY TOP INDUCTION 6 2 2 4 USER INTERFACE U I VENTILATOR TANGENTIAL The U I is fixed onto springs into slots in the paneling ...

Page 66: ...FRY TOP INDUCTION 6 2 2 5 COILS After removal of the appliance casing the coils can be removed with their supporting paneling The coil as sembly is fixed to the paneling with springs and slots on the supporting panel ...

Page 67: ... 28307 Bremen Hauptsitz Service Finanzen Personal Lager IT Marketing Telefon 49 421 48557 0 Telefax 49 421 488650 E Mail bremen nordcap de Die NordCap Verkaufsniederlassungen in Deutschland Nord Hamburg Ost Berlin Süd Ingelheim West Erkrath ...

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