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Bush DW12-TFE3, Service Manual

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Bush DW12-TFE3 Service Manual Download Page 41

 
 

 

 

40

 

Service Manual

 

Model No: DW12-TFE3 Series

 

Issue

 

Rev.

 

1-18. Analysis of the common breakdowns 

1-18-1. Door switch trouble 

  Phenomenon: the dishwasher does not work               

 

Whether the door is closed

Close the door

Check if door flap is OK

Dismantle the door case and use 

avometer to measure if the two terminals of 

the door switch is  connected

Replace it

Change the door 

switch

Cable or the controller

 board is  broken

Y

Y

Y

N

N

N

 

Summary of Contents for DW12-TFE3

Page 1: ...SERVICE MANUAL Order No REF0905S001V0 DISHWASHER Model No DW12 TFE3 Series Customer helpline 0845 600 4632...

Page 2: ...ng of old appliances 7 1 5 4 Positioning the appliance 7 1 5 5 Leveling the appliance 7 1 5 6 Cold water connection 7 1 5 7 Hot Water Connection 8 1 5 8 Electrical Connection 8 1 5 9 Drain hose connec...

Page 3: ...sive wash 33 1 14 2 Normal wash 33 1 14 3 Light wash 33 1 14 4 Glass wash 33 1 14 5 Rapid wash 33 1 14 6 Heat 33 1 14 7 Soak 33 1 15 How to keep your dishwasher in shape 34 1 15 1 After Every Wash 34...

Page 4: ...Page 3 of 49 Service Manual Model No DW12 TFE3 Series Issue Rev 1 18 6 Power supply trouble 45 1 18 7 Leak trouble 46 1 19 Technical data 47 1 20 Circuit Diagram 48...

Page 5: ...1 A grade for energy consumption of European standard 1 2 2 A grade for washing efficiency of European standard 1 2 3 A grade for drying efficiency of European standard 1 2 4 Electronic control 3 in 1...

Page 6: ...ronment and human health which could otherwise be caused by inappropriate waste handling of this product For more detailed information about recycling of this product please contact your local city of...

Page 7: ...t cupboards in order to ensure that the appliance is entirely stable After the appliance has been installed the mains plug should still be easily accessible Not on all models The plastic housing on th...

Page 8: ...s which are no longer being used must be made inoperable by cutting the power supply cord and removing the door lock Take the appliance to a designated waste disposal center Dangerous voltage Warning...

Page 9: ...in hose from moving and allowing water to spill outside the drain Warning The appliance is to be connected to the water mains using new hose sets and that old hose sets should not be reused 1 5 8 Elec...

Page 10: ...se into a drain pipe with a minimum diameter of 4cm or let it run into the sink making sure to avoid bending or crimping it If necessary fit a syphon trap U bend with a connecting piece for the drain...

Page 11: ...Series Issue Rev 1 6 Tools Screwdriver Dissemble and assemble for dishwasher components Cross screwdriver Dissemble and assemble for dishwasher components Blade Unpacking Electric drill Drill holes wh...

Page 12: ...Service Manual Model No DW12 TFE3 Series Issue Rev Multimeter Used for measuring the PCB and Display board Soldering iron Used for Jointing the PCB and Display board Pliers Used for removing the pipe...

Page 13: ...procedure 1 7 1 Water pressure switch disassembly Water pressure switch locates in the behind of the tub on the right and is fixed in straight pole Put the guiding groove up until to the top which is...

Page 14: ...ck at full tilt with your hands and then pull the pipe out With stand the raised parts of the 1 4S quick connect termianl with thumb and then pull it out Change the old water pressure switch into a ne...

Page 15: ...e position of 1 2 3 showing on the left picture Connect the pipe together Attention pipe must be put on the interspaces between vent hole and the tub Put the pressure switch wedge into the large ringe...

Page 16: ...step Close the door use screwdriver to drive the 6 screws of Detergent Dispenser off pull the wire out then open the door and get the Detergent Dispenser off 1 7 3 Baseboard disassembly Lie the machin...

Page 17: ...assembly Disassemble the baseboard Pls find the pic of baseboard Use cross screwdriver to drive two screws off the side panel 1 7 5 Side panel disassembly Disassemble the Complete top pls follow the d...

Page 18: ...crewdriver to drive five screws which are in left back of machine off the right side panel Open the door use the cross screwdriver to drive four screws which are in left front off 1 7 6 Sump disassemb...

Page 19: ...E3 Series Issue Rev Disassembly the wash pump refer to with the way required for the wash pump Remove the rubber pipe of the sump Remove the transparent pipe of the water level switch Disassembly the...

Page 20: ...1 7 7 Water softer disassembly Lay the dishwasher on the floor then remove the bottom cover pull out the connector of the salt adding valve and the low salt switch Remove the three clips for fixing th...

Page 21: ...ticlockwise then screw id down you can use the disassembly tool to operate Then take the water softer down accordingly 1 7 8 Heater disassembly Remove the two self drilling bolts for fixing the heater...

Page 22: ...Page 21 of 49 Service Manual Model No DW12 TFE3 Series Issue Rev Remove the connector pipe of the hot pump and the middle hot pump then can take the heater down...

Page 23: ...nse Aid Indicator B ON OFF Button F Low Salt Indicator C 3 in 1 Indicator G Knob For Selecting Cycle D 3 in 1 Button 1 8 2 Dishwasher interior a Upper Rack b Lower Rack c Top Spray Arm d Silverware Ba...

Page 24: ...e fill it with water Place the end of the funnel supplied into the hole and introduce about 2 kg of salt It is normal for a small amount of water to come out of the salt container Carefully screw the...

Page 25: ...Page 24 of 49 Service Manual Model No DW12 TFE3 Series Issue Rev...

Page 26: ...per dosage of the rinse aid improves drying If drops of water remain on the dishes or spotting occurs the dosage adjustor should be turned to a higher setting If the dishes have white streaks turn the...

Page 27: ...des of the racks in order to avoid blocking the rotation of the top spray arm Pots serving bowls etc must always be placed face down see fig D Deep pots should be slanted to allow the water to flow ou...

Page 28: ...Issue Rev 1 11 3 Shelf Lean tall glasses and those with long stems against the shelf not against other items to be washed Place glasses cups and small bowls on the additional cup rack The additional c...

Page 29: ...cle has finished and the indicator light A comes on 1 12 3 Switching the dishwasher OFF Several minutes after the programme has ended Set On Off button to Off Open the door Remove dishes etc when they...

Page 30: ...time Otherwise the detergent may have already been used and the appliance may have already drained the wash water If this is the case the detergent dispenser must be refilled see the paragraph entitle...

Page 31: ...results The tablets should be placed in the detergent dispenser Notice 3 in 1 or similar tablets should not be used when Heat Wash Rapid wash or Soak programmes are selected 1 12 8 Reset drain functi...

Page 32: ...Page 31 of 49 Service Manual Model No DW12 TFE3 Series Issue Rev 1 13 Wash Cycle Table...

Page 33: ...Page 32 of 49 Service Manual Model No DW12 TFE3 Series Issue Rev...

Page 34: ...o DW12 TFE3 Series Issue Rev 1 14 Function Schedule 1 14 1 Intensive wash 1 14 2 Normal wash 1 14 3 Light wash 50 Main wash Cold rinse Cold pre wash 65 hot rinse Natural drying 1 14 4 Glass wash 1 14...

Page 35: ...nterior use a cloth dampened with water and a little while vinegar or cleaning product made specifically for dishwashers 1 15 4 Moving the Appliance If the appliance must be moved try to keep it in a...

Page 36: ...es of food in the water from reaching the pump These particles may occasionally block the filters When the appliance has finished washing check the filters for particles of food and if required clean...

Page 37: ...intake hose The strainer is situated in the Aquastop or supply hose connection Caution Do not forget that repairs should only be carried out by a qualified specialist Improper repairs can lead to cons...

Page 38: ...pe number Mod And the serial number S N which are indicated on the plate located on the side of the inner part of the door Lower spray arm rotates with difficulty Spray arm is blocked by small items o...

Page 39: ...n incorrectly fitted Waste water pump is jammed Plastic items are discoloured Not enough detergent was added to dispenser Detergent has insuffcient bleaching properties Use a detergent containing a ch...

Page 40: ...lt while filling container Glasses become clouded and discoloured coating cannot be wiped off Unsuitable detergent was used Glasses are not dishwasher proof Smears left behind on glasses and cutlery g...

Page 41: ...ch trouble Phenomenon the dishwasher does not work Whether the door is closed Close the door Check if door flap is OK Dismantle the door case and use avometer to measure if the two terminals of the do...

Page 42: ...e hose Whether the stopcock is turned on Turn on the stopcock Whether solenoid valve is working Check whether the water intake velocity is too slow Measure whether solenoid valve is electrified User s...

Page 43: ...nomenon water cannot be drained Whether drain pump is working Repair the pipeline and drain pump Whether the pipeline and drain pump was blocked Whether drain pump is electrified The drain hose is too...

Page 44: ...element cannot work Whether socket connector is connected well Check the resistance between the heater resistor Check whether the circuit between the two terminals is open The cable or the controller...

Page 45: ...44 Service Manual Model No DW12 TFE3 Series Issue Rev 1 18 5 Water overflow trouble Phenomenon drain pump keep on working...

Page 46: ...supply trouble Phenomenon dishwasher cannot work Check whether the power connector is in position Check whether the circuit between the two terminals is open Replace the power switch Connect it prope...

Page 47: ...s Issue Rev 1 18 7 Leak trouble Phenomenon dishwasher stop working Check whether the drain hose is too low Check whether the water level switch is damaged Replace the PCB Drive up the drain hose prope...

Page 48: ...TFE3 Series Issue Rev 1 19 Technical data Width 60 cm Depth 60 cm Height 85 cm Capacity 12 standard place settings Mains water pressure 0 03 0 6MPa Power voltage 220 240V 50Hz Total absorbed power 195...

Page 49: ...48 Service Manual Model No DW12 TFE3 Series Issue Rev 1 20 Circuit Diagram...

Page 50: ...49 Service Manual Model No DW12 TFE3 Series Issue Rev Dishwasher Service Manual Customer Helpline 0845 600 4632...

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