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Asko 3,000 Series Training Manual

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3,000 & 5,000 Series Dishwasher Training Manual

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Summary of Contents for Asko 3,000 Series

  • Page 1 3,000 & 5,000 Series Dishwasher Training Manual...
  • Page 2 Dishwasher Service Training Manual Each section contains: • Access/Disassembly • Installation/Reassembly • Service Tips • Access to the service menus • Resistance readings • Function of components There’s also helpful serial This manual covers the 3,000 & 5,000 series # label information. dishwashers.
  • Page 3 Distinctive Features & Innovations QUALITY: - 18:9 Stainless Steel Tank, Filter & Spray Arms - Anti-Jam, Auto-Reversing Pump - Galvanized Steel Base Pan - Balanced Door - Check Valve - PEX Water Line (rated 90 year life span) WARRANTY: - Industry Leading - 2 Plus 1 Year - Parts & Labor Protection...
  • Page 4 Distinctive Features & Innovations FLEXIRACKS™: - Industry's Only 4 Level Rack System (High end 5,000 series) - Exclusive Upper Rack - Height Adjustable - Exclusive Middle Rack with 2 Removable Baskets - Exclusive Lower Rack - Adjustable Tines / Upper and Lower Racks - China Guard - 2 Adjustable Stemware Shelves - Wineglass Shelf - Lower Rack...
  • Page 5 Distinctive Features & Innovations CAPACITY: - 17 place settings...
  • Page 6 Distinctive Features & Innovations CLEANING SYSTEM: - PowerZone™ Pots-and-Pans - PowerZone™ Plate - PowerZone™ Cutlery - 10Spray™ Wash System - Self-Cleaning Triple Filtration System (SCS) - AquaLevel™ Sensor - SensiClean™ Sensor DRYING SYSTEM: - TurboDry™...
  • Page 7 Sometimes a particular model Warranty Serial # Info will have 2 different Art #s indicating different part lists. The different Art # indicates a running change Understanding Art. # Understanding Serial # • The first 2 #s represent the year: 09 = 2009 •...

  • Page 8: Table Of Contents

    Table of Contents  Installation…………………………………… 5  How the dishwasher works………………..9  Drain Pump………………………………….14  Fill Valve……………………………………..15  Pressure sensor……………………………21  Circulation Pump…………………………..22  Heater .……………………………………….25  Water Diverter………………………………26  Float Switch…………………………………27  Detergent dispenser……………………….28  Fan assisted dry……………………………29  Door latch/switch…………………………..30 ...

  • Page 9: Installation

    Installation Easy Install: All connections are external. No need to remove kick plates and panels. Unit has line cord with plug already connected Drain hose with check valve and multiple connection size options Pex fill hose already attached to unit, and with 3/8”...
  • Page 10 Installation – adjusting the springs Printed from Installation manual...
  • Page 11 Installation – adjusting the feet...
  • Page 12 Installation - securing the dishwasher...

  • Page 13: How The Dishwasher Works

    How the dishwasher works (overview) To be able to effectively service the dishwasher it is necessary to understand how it has been designed to operate. The following is an overview of the dishwashers operation: When checking a program always cancel any previous program by turning the unit on, then holding down the Start/Stop button for three seconds.
  • Page 14 How the dishwasher works The temperature that the heated water reaches is controlled by a thermistor (attached to the inner door on 3,000 units and in the sump below the door on 5,00 units). The detergent is dispensed by a solenoid activated dispenser. The first activation dispenses the detergent, the second activation dispenses the rinse aid.

  • Page 15: Outer Door Removal

    Outer Door Removal Open the dishwasher door, there are 2 screws at the bottom of the inner door and 3 down each side. 5 or 6 if the unit is an FI model Remove the 2 bottom screws Bracket first Ground wire Lift the door up, and support the top...
  • Page 16 Access to lower front components 3,000 series Plate slide Protection plate After removing the outer door & toe kick, move the plate slide to Remove eight screws, four each the left to release the toe kick bracket side (2 are underneath), to...
  • Page 17 Access to lower front components 5,000 series Drain pump 60K Ohms @ Turbitity sensor Thermistor room temp. Terminal block with filter Float Access to drain pump, terminal block with filter, turbitity sensor (if applicable) and the thermistor.

  • Page 18: Drain Pump

    Drain Pump To remove the drain pump first disconnect the Molex connector. Grasp the motor and twist towards the front (clockwise) to release the motor/impellor from the housing. To replace, make sure the seal is in place around the pump face then firmly push the motor/impellor and seal into the housing in the vertical position then twist back counterclockwise until it locks in place...

  • Page 19: Fill Valve

    Water Fill Valve with flow meter (3,000 series) (front access) Remove the Molex connector from valve Unscrew supply hose fitting (turn off water first) 500 - 950 Ohms Set hose aside, don’t loose the washer. Slide the valve out of the bracket...
  • Page 20 Water Fill Valve with flow meter (3,000 series) (front access) Connector The flow meter is Flow connected to the rear Meter of the fill valve. The whole assembly can be replaced by removing the hose which goes up to the air break.
  • Page 21 Water level 3,000 series units If the control unit is changed from flow meter to timed fill or vise versa, always check the water level at the lower wash tower Always allow the machine to take in and pump out water a few times before checking the level.
  • Page 22 Water Valve (5,000 series) removal (rear access) Retaining clamp Disconnect pex hose and Molex Cut through retaining clamp with cutters connector from valve The fill valve on the 5,000 series is attached to the air break and is accessed from the rear of the unit.
  • Page 23 Water Valve (5,000 series) installation 0.95K Ohms Attach the clamp to the valve Push the spigot of valve into New valve is a kit consisting of as shown housing making sure the seal a valve and a clamp is in place Note: On the 5,000 series the flow meter is not attached to the...
  • Page 24 Water level 5,000 series units If the control unit is changed from flow meter to timed fill or vise versa, always check the water level at the lower wash tower...

  • Page 25: Pressure Sensor

    Pressure sensor Sensor is a push fit into housing and is held with a tab fitting Pressure sensor The pressure sensor is connected to the pressure chamber in the sump. It measures the pressure corresponding to the water level in the machine. In the event of an excessively high water level in the machine the drain pump starts and other components are switched off.

  • Page 26: Circulation Pump

    Circulation Motor / Pump (3,000 series) The circulation pump & capacitor are accessed from the rear by removing the rear lower panel. Before beginning always drain all water from the sump and disconnect power to the unit Remove four T-15 Torx screws securing the lower rear panel.
  • Page 27 Circulation Motor / Pump (3,000 series) Remove ground wire from motor. Remove the Molex connector. There are now two ways to remove the motor/pump assembly. (1) disengage the motor/pump from the pump housing by grasping the motor and turning it counter clockwise a tad so that the...
  • Page 28 Motor/pump Water Diverter Circulation motor/pump is removed in the same manor as the 3,000 series, however there is less room to maneuver due to the taller tank. It may be easier to remove and replace the motor/pump as a complete assembly.

  • Page 29: Heater

    Heating Element Access to the heating element is achieved from the rear of the unit in the same manor as the circulation motor/pump. The heating element is suspended between the circulation pump housing and the sump housing and is secured with rubber seal inserts. It is a push fit and there are no clamps. The circulation motor will have to be removed first in order to pull the heating element off of the sump.

  • Page 30: Water Diverter

    Water Diverter Valve Access to the water diverter valve is achieved from the rear of the unit in the same manner as the circulation motor/pump and heater. Ease the two tabs on both sides, out slightly and pull down on the assembly. Disconnect the three wire connector going to the terminal block of the diverter.

  • Page 31: Float Switch

    Float switch The float switch is mounted in the sump housing. In the event of water overflowing into the base pan, a Styrofoam float rises up and activates a micro switch turning on the drain pump. Access to the switch is from the rear and other components may have to be removed to get to the switch.
  • Page 32 (if applicable). one assembly & is fastened to (3,000 series only) the inner door with 2 clamps Disconnect Molex to solenoid Remove the remaining screws Open the door and lift holding the upper and lower clamps.

  • Page 33: Fan Assisted Dry

    Fan Assisted Dry Assembly Motor drives 2 sided Wax motor opens fan to remove moist air vanes to condensation from tank Some units have tube 1.1 K Ohms in addition, a humidity sensor Motor 180 Ohms which turns off the fan based on comparison of outside &...

  • Page 34: Door Latch/Switch

    Door latch/switch assembly After removing the outer door remove the 2 screws on top of the inner door. Ease the control panel from the tabs in the top of the inner door. Release wiring to door switch and lift latch from cradle. To remove door micro switch, bend tab on switch assembly and slide switch up and out of the housing.
  • Page 35 Control board removal and installation After removing the wire connections and removing control panel from the unit, lay it down on a protected flat surface. Not all control boards can be removed from the panel intact, for example the FI unit shown above.
  • Page 36 Rewiring control board If wiring from a component to the control board or from the control board to a component, check with the wiring diagram for correct location of connectors. The wiring diagram mirrors the circuit board for easy reference. Note: When replacing a control board check the Wax motor, diverter motor and heater to make sure...
  • Page 37 Control board wiring and component values Schematic for all 3,000 series units Dispenser 300 Ohms: Circulation pump 22 Ohms: Water diverter valve 2600 Ohms: Filter 1 mega Ohm: Heating element 12 Ohms: Fill valve 950 Ohms: Thermistor 25,000 Ohms: Wax actuator 1100 Ohms: Fan motor 180 Ohms: Drain pump 25 Ohms...
  • Page 38 Control board wiring and component values Schematic for all 5,000 series units Schematic for all 5,000 series units Dispenser 300 Ohms: Circulation pump 32 Ohms: Water diverter valve 2600 Ohms: Filter 1 mega Ohm: Heating element 12 Ohms: Fill valve 950 Ohms: Thermistor 60,000 Ohms: Wax actuator 1100 Ohms: Fan motor 180 Ohms: Drain pump 25 Ohms.
  • Page 39 Upper rack rail bearings and holders (removal) To remove ball bearing holder for upper rack rail, use a flat blade screwdriver or needle nose pliers and remove the rear rail stop by easing the bottom of the stop out of the notch in the rail.
  • Page 40 Upper rack rail bearings and holders (install) The replacement bearing holders come in a kit with the ball bearings. The bearing holder comes flat, insert the ball bearings into the holder, then bend the holder to form the correct shape (see illustration). Slide the newly assembled bearing holder into the track, then slide the rack rail into the bearing...
  • Page 41 Filters and sump drain cap Remove strainer basket Rotate fine mesh filter counter Lift out clockwise . Strainer and filters must be kept clean to ensure good draining and clean dishes. removed Remove strainer: With cap removed Sump drain cap sits down in This cap must be in place in from sump there is access to the the sump area inside the...
  • Page 42 Water fill/air break assembly (5,000 series) 3,000 series is the same but does not have the fill valve & flow meter Unit removed from dishwasher The air break contains the fill valve and the flow meter, it is fastened to the side of the...
  • Page 43 Water fill/air break assembly (5,000 series) 3,000 series is the same but it does not have the fill valve & flow meter Screw Screw With a straight blade screwdriver rotate cover counter clockwise to remove. Remove single screw on outside and two from the inside of the tank.
  • Page 44 Service Tips – Replacing hose clamps 3 -1/4” 1 -3/4” 2 -1/4” Special Hose Clamp 8063262 8063607 8056471 Pliers Part # 7281370 7/8” ½” 1 -1/2” 1 -1/4” 1” 8052083 8052239 8054196 8052730 8052731...
  • Page 45 Variant menu DW 20.1 Although the controls for each model may be on the front of the machine or on the top of the door. The main power switch is always on the top of the door on the far left side Main power switch Variant ‘A’...
  • Page 46 Service menu DW 20.1 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Although the controls for each model may be on the Main power switch front of the machine or on the top of the door.
  • Page 47 Variant menu DW 20.2 Although the controls for each model may be on the front of the machine or on the top of the door. The main power switch is always on the top of the door on the far left side Main power switch 3 Button option 5 Button option...

  • Page 48: Detergent Dispenser

    Service menu DW 20.2 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Turn off the main switch, wait for at least 5 seconds. Keep the program and start buttons depressed and turn on the main switch, release the program and start buttons at once.
  • Page 49 Service menu DW 20.2 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Water intake adjusting (after week 16, 2005) Press the program button until “1” appears in the display. Press the program button and index through the following: Display shows 0: Normal water intake, 1: increase 5%, 2: increase 10%, 3: increase 15%, 4: Time controlled water intake, 5: Increase 5% on time control, 6: Increase 10% on time control, 7: 15% increase on time control.
  • Page 50 Fault codes DW 20.2 (the consumer may see) See page 59 for fault codes that may appear in the service menu for the technician to view...
  • Page 51 Variant menu DW 20.3 5 Button design Main power button 3 Button design If the control is replaced the machine will automatically be in the variant setting menu when the power is switched on for the first time. Fill the machine with approx. 1 liter of water. Press the program button repeatedly until the desired variant is selected .
  • Page 52 Service menu DW 20.3 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Turn off the main switch, wait for at least 5 seconds. Keep the program and start buttons depressed and turn on the main switch, release the program and start buttons.
  • Page 53 Service menu DW 20.3 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch To adjust the water intake. Keep the program button depressed for three seconds to adjust the water intake.
  • Page 54 Fault codes DW 20.3 (the consumer may see) See page 59 for fault codes that may appear in the service menu for the technician to view...
  • Page 55 Variant menu DW 20.4 Main power switch If the control is replaced the machine will automatically be in the variant setting menu when the power is switched on for the first time. Fill the machine with approx. 1 liter of water. Press the program button repeatedly until the desired variant is selected .
  • Page 56 Service menu DW 20.4 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Turn off the main switch, wait for at least 5 seconds. Keep the Set and Menu buttons depressed and turn on the main switch, release the Set and Menu buttons.
  • Page 57 Service menu DW 20.4 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch To adjust the water intake: (machines manufactured week 16, 2005 and later) Press menu to access water intake setting, press set to adjust the water intake.
  • Page 58 Fault codes DW 20.4 (the consumer may see) See page 59 for fault codes that may appear in the service menu for the technician to view...
  • Page 59 Variant menu DW 20.5 Main power switch If the control unit is replaced, the machine will automatically be in the variant setting menu when the power supply is switched on for the first time. Fill the machine with approx. 1 liter of water. Press the program button repeatedly until the desired variant is selected.
  • Page 60 Service menu DW 20.5 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Turn off the main switch, wait for at least 5 seconds. Keep the Program and Start buttons depressed and turn on the main switch, release the Program and Start buttons.
  • Page 61 Service menu DW 20.5 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch To adjust the water intake: Press program selector for 3 seconds to access water intake setting, press program button again to step through.
  • Page 62 Fault codes DW 20.5 (the consumer may see) See page 59 for fault codes that may appear in the service menu for the technician to view...
  • Page 63 Fault codes DW 20.1, 2, 3, 4 & 5 (fault codes the service technician may see in the service menu) In the fault codes below, “L” denotes LED and “F” denotes fault code on the display. LED L1/Fault code F1, Temperature stop fault (no indication in DW20.1) The temperature rise is less than 5 degrees C in ten minutes.
  • Page 64 Fault codes DW 20.1, 2, 3, 4 & 5 (fault codes the service technician may see in the service menu) LED L3/Fault code F3, Thermistor fault (no indication in DW20.1) Interruption in the heating or temperature more than 80 degrees C. The program exits from the heating stage and continues in the process.
  • Page 65 Fault codes DW 20.1, 2, 3, 4 & 5 (fault codes the service technician may see in the service menu) LED L11/Fault code F5, Valve leakage (no indication in DW20.1) More than 80 pulses detected when the inlet valve is deactivated. Certain models attempt to remedy the leak first.
  • Page 66 Fault codes DW 20.1, 2, 3, 4 & 5 (fault codes the service technician may see in the service menu) LED L1+ L2/Fault code F7, Pumping out fault (machines with pressure sensor) Water not evacuated after 120 seconds pumping out. Program interrupted.
  • Page 67 Fault codes DW 20.1, 2, 3, 4 & 5 (fault codes the service technician may see in the service menu) LED L1 + L4/Fault code F9, Circulation fault The pressure sensor senses excessively low pressure (e.g. no water in the machine) or excessively high pressure (e.g.
  • Page 68 Fault codes DW 20.1, 2, 3, 4 & 5 (fault codes the service technician may see in the service menu) LED L1 + L12/Fault code FB, Spray arm diverter fault Position contact is continuously closed or open. The program proceeds. Indication only in the service menu. Check: Spray arm diverter (function of gearbox, contacts and wiring).
  • Page 69 Variant menu DW 70.1 Main power switch Variant 2 Variant 1 If the control is replaced the machine will automatically be in the variant setting menu when the power is turned on. Press the program button repeatedly, the display will alternate between pan symbol (L1) flashing, (variant 1) and the shower symbol (L4) flashing, (variant 2).
  • Page 70 Service menu DW 70.1 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch To activate the service menu – turn off the main power switch. Wait for at least 5 seconds, keep the program and start buttons depressed, then turn on the main switch, then release the program and start buttons.
  • Page 71 Fault codes DW 70.1 (the consumer may see) Indication Type of fault Action L2 flashing Too much water in the dishwasher: Check drain pump (blockage in hoses), Pressure sensor or float activated flow meter, inlet valve, leakage, wiring If water not evacuated in 60 secs. The drain pump will be turned on.
  • Page 72 Variant menu DW 70.3 When the power is switched on for the first time after replacing the control unit, the variant settings menu is displayed. Press the program button until the desired variant is selected: L1 flashes: Variant 1 = Time saver L2 flashes: Variant 2 = Super rinse option L3 flashes:...
  • Page 73 Service menu DW 70.3 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Turn off the main power switch. Wait at least 5 seconds. Press and hold the program and start buttons, turn on the main switch, wait for the teardrop symbol to light on the right side of control, release the program and start buttons.
  • Page 74 Service menu DW 70.3 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Adjust water Intake (done in service menu) Press and hold the program button for three seconds.
  • Page 75 Fault codes DW 70.3 (the consumer may see) See page 81 for fault codes that may appear in the service menu for the technician to view...
  • Page 76 Variant menu DW 70.4 Main power switch Total reset After replacing the control unit, the machine will automatically perform a total reset, which will detect the presence of the machine’s sensors and spray arm diverter. Special settings Turn on the main power switch, press the Menu button (S4) a few times until the special settings are displayed.
  • Page 77 Service menu DW 70.4 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Turn off the main power switch, wait at least 5 seconds. Press and hold the Program and Start buttons then turn on the main power switch.
  • Page 78 Service menu DW 70.4 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Adjust water intake (browse with S3) Display 0: Normal water intake volume.
  • Page 79 Fault codes DW 70.4 (the consumer may see) See page 81 for fault codes that may appear in the service menu for the technician to view...
  • Page 80 Variant menu DW 70.5 Main power switch When the main power switch is turned on after replacing the control unit, the variant setting menu is displayed. Press the program button until the until the desired variant is selected. The display shows 1 and L1 flashes. Variant 1 = Time saver The display shows the number 2 and L2 flashes.
  • Page 81 Service menu DW 70.5 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Turn off the main power switch, wait at least 5 seconds. Press and hold the Program and Start buttons.
  • Page 82 Service menu DW 70.5 Before entering the service menu always cancel the currently selected program first, by pressing the power button to turn the unit on then holding down the start/stop button for three seconds. Main power switch Adjusting the water intake (in service menu Press the Program button for three seconds to activate the menu for setting the water intake.
  • Page 83 How the dishwasher works (Quick wash 5,000 series) If the component test in the service menu is not sufficient to identify a fault, you can run the “Quick Wash” program on any of the 5,000 series units. Compare the results with the flow description on the right, if they are in agreement this indicates a...
  • Page 84 Fault codes DW 70.5 (the consumer may see) See page 81 for fault codes that may appear in the service menu for the technician to view Consumer may see 1 minute shown in display at the end of the cycle. No action is required.
  • Page 85 Fault codes DW 70.1, 3, 4 & 5 (fault codes the service technician may see in the service menu)
  • Page 86 Fault codes DW 70.1, 3, 4 & 5 (fault codes the service technician may see in the service menu)
  • Page 87 Fault codes DW 70.1, 3, 4 & 5 (fault codes the service technician may see in the service menu)
  • Page 88 Fault codes DW 70.1, 3, 4 & 5 (fault codes the service technician may see in the service menu)
  • Page 89 Fault codes DW 70.1, 3, 4 & 5 (fault codes the service technician may see in the service menu)

This manual is also suitable for:

5,000 series

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