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Insinger CADET CDT-1 Service Manual

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  • Page 2 SERVICE MANUAL CONTENTS: This document contains the instructions to set electronic board parameters via user interface for following dishwashers: EDITION: 05.2025 DOC. NO. 59566S500 P. 1 / 53...

  • Page 3: Table Of Contents

    MAIN BOARD CONFIGURATION Pag. 10.1 CODE -> Prog. TABLE Pag. 10.2 PROGRAMMING SHEETS Pag. DEFAULT VALUES FOR CADET CDT-1 Pag. USER INTERFACE AND MAIN BOARD CONNECTORS Pag. 12.1 Main malfunctions not due to the main board Pag. 12.2 CONNECTORS LAYOUT Pag.

  • Page 4: Keyboards Pag

    1 KEYBOARDS 1.1 UNDERCOUNTER Style Fig. 1 Detergent dispenser Manual TANK BOILER Activation Fig. 2 Rinse Aid Dispenser Manual TANK BOILER Activation Fig. 3 Rinse Pump Manual TANK BOILER Activation (used to EMPTY BOILER) SETTING MODES: To enter into one setting mode (Figure 4), (Figure 5) the appliance should be in stand-by: switch on the appli- ance, no cycles selected.

  • Page 5: Manual Activation Of Detergent And Rinse Aid Dispensers

    2 MANUAL ACTIVATION OF DETERGENT AND RINSE AID DISPENSERS When replacing detergents may be necessary activate the dispensers to fill hoses. 2.1 Detergent Dispenser Activation Switch on the dishwasher. Press and hold down BUTTON_2 and TANK BOILER BUTTON_3 keys, after two 'beep' the detergent dispenser starts work for 20 sec.

  • Page 6: Detergent And Rinse Aid Dosage Pag

    4 DETERGENT AND RINSE AID DOSAGE In this paragraph is explained how to set the working time for the detergent and rinse aid dispensers. For each dispenser there are two parameters: the initial time and the time during cycle execution. General Parameters Sym.
  • Page 7 (*) Note for external dispensers: • the detergent dispenser works when WASHING PUMP is being activated; at the same time voltage is supplied between connectors L1 –L1 (main terminal box); • the detergent dispenser works when LOADING EV is being activated to re-fill boiler level;...

  • Page 8: Counters

    5 COUNTERS This Parameter Family collects cycle counters and water consumption counters. For water consumption counters a flow meter must be installed. See (calibration parameter) into section (8 OTHER PARAMETERS). Counters Factory Sym. Parameter Description Unit Default Cycles performed counter. symbol and two numbers blink consecutively.
  • Page 9 TANK Fig.18 BOILER TANK Fig.19 BOILER TANK Fig.20 BOILER Fig. 18 USER setting mode Fig. 19 Next Family Fig. 20 Counters Fam.: (press for 5s). ENTER Fig. 21 CYCLES Fig. 22 Thousand. Fig. 23 Units. Fig. 24 Next counter. DOC. NO. 59566S500 P.

  • Page 10: Temperature Setting

    6 TEMPERATURE SETTING In this paragraph is explained how to change temperature thresholds and all parameters related to boiler and tank Factory Parameters Factory Sym. Parameter Description Unit Default Boiler Temperature: THRESHOLD. [ F] When boiler temperature reaches this value, heaters switch off. Boiler Temperature HISTERESIS, (represent dead band).
  • Page 11 To modify thresholds do the following: • Switch OFF and switch ON the dishwasher; • Enter into the FACTORY SETTING mode by pressing and hold down ON/OFF and BUTTON_2 keys for at least five seconds (Figure 25); • Press BUTTON_3. The display shows alternatively the symbol (Figure 26) and the corresponding value (Figure 27);...

  • Page 12: Cycle Setting

    7 CYCLE SETTING IIn this paragraph is explained how to change cycle phases duration (see paragraph 7.1 CYCLE DIAGRAM). • Switch on the dishwasher; • Enter into the FACTORY SETTING mode: press and hold down ON/OFF and BUTTON_2 keys for at least 5 seconds (Figure 32);...

  • Page 13: Cycle Diagram

    7.1 CYCLE DIAGRAM CYCLE TYME Ln Sh LEGENDA: = drain = wash = rinse pause = pre rinse = final pause = rinse = detergent = cold rinse = rinse aid DOC. NO. 59566S500 P. 12 / 53...

  • Page 14: Cy1 Cycle 1 Parameters Pag

    Cycle 1 Parameters Factory Sym. Parameter Description Unit Default(*) Wash Phase Long [min] Wash Phase Short Pause Pre-rinse Duration Rinse Phase Duration Cold Rinse Phase Duration Drain Final Pause at End of Cycle Long wash time in mode Thermal Label [min] Short wash time in mode Thermal Label (*) These parameters are the manufacturer default values.

  • Page 15: Drn Drain/Cleaning Cycle Parameters Pag

    Boiler Temperature Threshold: only for Cycle 3. This parameter allows having a different rinsing temperature for [°C] the third cycle. Only values above 45°C are allowed. (*) These parameters are the manufacturer default values. Drain/Cleaning Cycle Parameters Factory Sym. Parameter Description Unit Default Initial Drain Phase Duration...

  • Page 16: Ron Read Only Parameters Pag

    Read Only Parameters Factory Sym. Parameter Description Unit Default Main Board Firmware Release Water softener board software version. (only for dishwashers with incorporated continuous water softener). Active column: indicates through which of the two continuous water softener columns boiler filling is being carried out: 0 = col- umn A and 1 = column B (only for dishwashers with incorporated continuous water softener).

  • Page 17: Cfg Configuration Parameters Pag

    Configuration Parameters Factory Sym. Parameter Description Unit Default Dishwasher Model: 0 = UNDERCOUNTER 1 = POT WASHER 2 = AUTOMATIC POT WASHER 3 = MEDICAL LINE DISHWASHER WITH LOCK DOOR/HOOD DEVICE Boiler type: 0 = ATMOSPHERIC BOILER 1 = PRESSURE BOILER 2 = EXTERNAL BOILER Door type: 0 = AUTOMATIC HOOD...

  • Page 18: Dbg Parameters For Automatic Hood Type Dishwashers Pag

    Factory Sym. Parameter Description Unit Default Delime enabled. ALARMS ENABLE 0 = alarms disabled (to disable also warnings see 1 = alarms enabled; If this function is disabled, faults can be detected so display do not shows any alarm code. Air gap with float level sensor normally closed (the level sensor is closed when the boiler is empty).

  • Page 19: Special Features

    9 SPECIAL FEATURES 9.1 DETERGENT AND RINSE AID LEVEL SENSORS ACTIVATION By setting the parameter (in the family) to 1, management of the level sensors located inside the external detergent and rinse aid tanks is enabled. During the rinse phase, when the rinse aid inside the tank has finished, the message appears on the display.
  • Page 20 STEP 1 - FITTING THE TUBE 1. Position the roller. 2. Insert the tube of the suction part, turning the roller clockwise. 3. Keep the tube in the seat in the housing and 4. Keep the tube in the seat in the housing and con- continue turning the roller clockwise, being tinue turning the roller clockwise.
  • Page 21 STEP 2 - REMOVING THE TUBE 1. Position the roller as shown in the figure. 2. Lift the tube at the suction part and turn the roller at the same time. Guide the tube, keeping it raised, and turn the roller. 3.

  • Page 22: Main Board Configuration

    5. Follow the instructions reported into the corresponding Prog.XXX sheet (next pages). 6. With the machine CODE find the Layout number in Par. 12.2 CONNECTORS LAYOUT. 10.1 CODE -> Prog. TABLE MODEL CODE Prog. Layout CADET CDT-1 502354 DOC. NO. 59566S500 P. 21 / 53...

  • Page 23: Programming Sheets

    10.2 PROGRAMMING SHEETS CADET CDT-1 PROG 175 1. Switch OFF and then switch ON the machine. Enter into parameter family and set the following parameters. Undercounter. Atmospheric boiler. Front loading door type. Default values for Undercounter models. SOFT START ENABLED.

  • Page 26: User Interface And Main Board Connectors

    12 USER INTERFACE AND MAIN BOARD CONNECTORS 12.1 MAIN MALFUNCTIONS NOT DUE TO THE MAIN BOARD The display shows with door/hood closed Check door/hood micro/sensor Check the user interface buttons (have they remained No cycle starts pressed? etc.) A cycle fails to start Is a user interface button extension missing? The main board is still configured for LS5/WT4.

  • Page 27: Alarm Messages And Troubleshooting

    13 ALARM MESSAGES AND TROUBLESHOOTING 13.1 ALARMS THAT STOP THE DISHWASHER No water in the system Is the water tap open? Does the water load solenoid valve work? Is the water feed flow a min. of 5 l/min? 13.2 Is the water inlet filter clean? Rinse pump/wash pump/solenoid valve outputs Rinsing is not done regularly for 2 consecutive cycles Are the rinse arms clogged?

  • Page 28: Alarms That Don't Stop The Dishwasher Pag

    14.2 ALARMS THAT DON'T STOP THE DISHWASHER Drain out not efficient Has the overflow been removed? Is the water drain blocked? Is the drain pump blocked? Are the air trap and tank pressure switch clean? Is there a constriction in the drain tube? Is the pump breather pipe returning to the tank clogged or constricted? Does the tank pressure switch work properly? Is there a hole in the drain tube (only for versions with drain pump)?

  • Page 29: Communication Error

    Rinse temperature sensor out of order (only on machines with temperature sensor on the rinse circuit) Is the temperature sensor broken or disconnected? Is the temperature sensor connector correctly inserted? Rinse temperature sensor out of order (only on machines with temperature sensor on the rinse circuit) Is the temperature sensor short-circuited? WARNING: Alarms...

  • Page 30: List Of Parameters For Subsequent Versions

    LIST OF PARAMETERS FOR SUBSEQUENT VERSIONS The parameters listed below, even if present inside the software, cannot be used in appliances currently in production. Family • parameter • value Family Family - alarm • parameter , the maximum value it can be set to is 3, but actually the only significant values are 0 and 1.

  • Page 31: Servicing The Appliance

    16 SERVICING THE APPLIANCE 16.1 LIST OF NEEDED TOOLS Please, refer to the Electrolux Professional Universal Spare Parts Catalogue [USP]. 16.1.1 Ordinary tools The following tools take part of the Kit of assorted tools [USP #0S1288] contained in the Tool trolley case [USP #0S1980]: •...

  • Page 32: Components Layout

    16.2 COMPONENTS REPLACEMENT WARNING: Before doing any work on the equipment ALWAYS unplug it from the power supply (danger of fatal electric shock!). This chapter explains how to remove various parts of the equipment to access its functional components: please always refer to this guide to access various parts. To reinstall a part, follow the instructions in reverse order to those described below.

  • Page 33: Door Replacement

    16.2.2 Door replacement 1. Open the door 2. Remove left and right panel (Fig.1). 3. Remove left and right spring from support arms (Fig.2). 4. Unscrews left and right hinges bolts (Fig.3). 5. Components, as pins, hinges and seger must be all removed. 6.

  • Page 34: Main-Board Replacement

    16.2.3 Access to front components 1. Remove the front screws from the bottom front panel (Fig.1). 2. To remove the bottom front panel lift up and down on it (Fig.2). 3. All front components will be access now (Fig.3). 4. Reinstall all components using the reverse procedure, and use an appropriate tightening torque. DETERGENT PRIMING RINSE AID PRIMING Fig.
  • Page 35 Fig. 3 Fig. 4 16.2.5 Booster heating element replacement 1. Make sure to empty the booster. 2. Following the instruction paragraph (16.2.3 Access to front components) (Fig.1). 3. Remove all the wiring connector present from the heating element (Fig.2). 4. Remove the three bolts that fix the booster heating element (Fig.3). WARNING: The booster could be not completely empty! Residual water can damage other nearby components in case of direct contact.
  • Page 36 Fig. 3 Fig. 4 16.2.6 Booster temperature sensor replacement 1. Make sure to empty the booster. 2. Following the instruction paragraph (16.2.3 Access to front components). 3. Remove the wiring connector from the booster temperature sensor (Fig.1) 4. Unscrew the booster temperature sensor using the right wrench (Fig.2). 5.
  • Page 37 Fig. 3 Fig. 4 16.2.7 Tank heating element replacement 1. Make sure to drain out tank water. 2. Following the instruction paragraph (16.2.3 Access to front components). 3. Open the door and remove the basket inside (Fig.1). 4. Remove the wiring connector in the tank heating element (Fig.2). 5.
  • Page 38 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 DOC. NO. 59566S500 P. 37 / 53...
  • Page 39 16.2.8 Access to back components 1. In the back part of the appliance, remove all connections as: pipes, and electrical power if connected. 2. Unscrews 9 screws that fix the back panel (Fig.2). 3. Remove the wiring ground cable (Fig.3). 4.
  • Page 40 16.2.9 Booster replacement 1. Make sure to empty the booster. 2. Following the instruction paragraph (16.2.3 Access to front components). 3. Remove the wiring connectors present in the booster heating element (Fig.1). 4. Following the instruction paragraph (16.2.8 Access to back components). 5.
  • Page 41 16.2.10 Tank temperature sensor replacement 1. Make sure to drain out tank water. 2. Unscrews the left side panel. 3. Identify the position of tank sensor in the bottom of the tank (Fig.1). 4. Disconnect the wiring cable (Fig.2). 5. Remove two nut that fix the tank sensor plate (Fig.3). 6.
  • Page 42 Fig. 5 16.2.11 Clixson tank heating element 1. Following the instruction paragraph (16.2.3 Access to front components). 2. Following the instruction paragraph (16.2.8 Access to back components). 3. Unscrew two screws of the left panel and from its front pull towards the right (Fig.1). 4.
  • Page 43 Fig. 3 Fig. 4 Fig. 5 16.2.12 Wash pump replacement 1. Following the instruction paragraph (16.2.8 Access to back components). 2. Remove the left side panel unscrewing the two bottom screws and pulling it on the right (Fig.1). 3. Identify the position of the washing pump located in the bottom part of the appliance (Fig.2). 4.
  • Page 44 12. Before reinstalling a new pump, it is recommended to use new rubber hose fittings and to facilitate inser- tion use Vaseline oil for insertion or unscrewing. 13.Reinstall all components using the reverse procedure, and use an appropriate tightening torque. Fig.
  • Page 45 Fig. 5 16.2.13 Drain manifold tank replacement Following the instruction paragraph (16.2.3 Access to front components). Following the instruction paragraph (16.2.8 Access to back components). Remove the components inside of tank as filters, cover, wash and rinse arms (Fig.1-2). Tilt or lean the appliance to the left to reach the bottom panel. Unscrew the two screws in the bottom panel and pull it to the right.
  • Page 46 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 DOC. NO. 59566S500 P. 45 / 53...
  • Page 47 Fig. 8 Fig. 9 16.2.14 Rinse pump replacement 1. Following the instruction paragraph (16.2.3 Access to front components). 2. Remove the clamps, and remove the hoses (Fig.1). 3. Disconnect the wiring connector (Fig.2). 4. Remove the bolt from bellow the machine (Fig.3). 5.
  • Page 48 Fig. 3 16.2.15 Water load solenoid valve replacement 1. Following the instruction paragraph (16.2.8 Access to back components). 2. Remove the wiring connector (Fig.1, detail A) 3. Remove the water inlet hose (Fig.1, detail B) 4. Loose the clamp and remove the water connection hose (Fig.2) 5.

  • Page 49: Drain Pump Replacement

    Fig. 3 16.2.16 Drain pump replacement 1. On the back of the appliance, disconnect current connections as: • detergent and rinse-aid hoses; • electrical power. 2. Following the instruction paragraph (16.2.8 Access to back components), remove the back panel. 3. Remove the wiring ground cable. 4.
  • Page 50 16.2.17 Detergent pump and rinse aid pump replacement 1. Following the instruction paragraph (16.2.3 Access to front components). 2. Following the instructions of points 2 and 3 in the paragraph (16.2.4 Main-board replacement). 3. Disconnect the wiring connector of the dispenser pump (Fig.1). 4.
  • Page 51 16.2.18 Tank Pressure switch replacement 1. Following the instruction paragraph (16.2.8 Access to back components). 2. Remove the wiring connector in the tank pressure switch (Fig.1). 3. Remove the hose (Fig.2). 4. Pull out the tank pressure switch (Fig.3). 5. Reinstall all components using the reverse procedure, and use an appropriate tightening torque. Fig.
  • Page 52 16.2.19 User interface replacement 1. Open the door and unscrew the two screws below the control panel and pull the top panel out (Fig.1-2). 2. Remove the wiring connectors to the user interface and unscrew all the screws which fix the user interface cover to the top panel (Fig.
  • Page 53 16.2.20 Door Switch replacement 1. Following the instructions of points 1 and 2 in the paragraph (16.2.19 User interface replacement). 2. Remove the wiring connector (Fig.1). 3. Remove the sensor support nut (Fig.2). 4. Reinstall all components using the reverse procedure. Fig.
  • Page 54 Insinger Machine Co. 6245 State Rd. Philadelphia, PA 19135 800.344.4802 | sales@insingermachine.com...

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