Haier DW12-TFE1 series Page 49 Service Manual Download

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Service Manual

Model No.DW12-TFE1 DW12-TFE2

Issue

Rev.

19. Circuit Diagram

DW12-TFE1 series

DW12-TFE2 series

Summary of Contents for DW12-TFE1 series

Page 1: ...DISHWASHER 2011 Qingdao Haier Dishwasher Co Ltd DW12 TFE1 DW12 TFE2 DW1103S002V0 ...

Page 2: ... ELECTRICAL CONNECTION 8 4 9 DISSEMBLE AND ASSEMBLE 8 5 PARTS AND FUNCTIONS 20 5 1 CLOSE UP VIEW CONTROL PANEL 20 5 2 DISHWASHER INTERIOR 20 6 HOW TO FILL THE SALT 21 6 1 SALT 21 6 2 LOADING THE SALT INTO THE CONTAINER 21 6 3 ADJUSTING SALT CONSUMPTION 21 7 HOW TO FILL RINSE AID AND DETERGENT DISPENSER 23 7 1 HOW TO FILL RINSE AID 23 7 2 HOW TO FILL DETERGENT DISPENSER 23 8 LOADING THE DISHWASHER ...

Page 3: ...6 WHEN YOU GO ON HOLIDAY 31 13 CLEAN AND MENTENANCE 32 13 1 OVERALL CONDITION OF APPLIANCE 32 13 2 DISHWASHER SALT 32 13 3 RINSE AID 32 13 4 FILTERS 32 13 5 SPRAY ARMS 32 14 FAULT FINDING 34 14 1 RESOLVING MINOR PROBLEMS YOURSELF 34 14 2 PROBLEMS 34 15 MAINTENANCE SERVICES AND TROUBLE SHOOTING 38 15 1 MAINTENANCE SERVICES 38 15 2 TROUBLE SHOOTING 38 16 ANALYSIS OF THE COMMON BREAKDOWNS 39 16 1 DOO...

Page 4: ...de for energy consumption of European standard 1 2 A grade for washing efficiency of European standard 1 3 A grade for drying efficiency of European standard 1 4 Electronic control 1 5 Water softener for descaling 1 6 Super capacity for 12 settings 1 7 3 in 1 function DW12 TFE2 ...

Page 5: ...ent 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 office your household waste disposal service or the shop where you purchased the product Warning A warning is used when there is danger of personal injury Caution A caution is used when there is danger that...

Page 6: ... water inlet contains an electrically operated valve The connecting wires are inside the inlet hose Do not cut through this hose and do not immerse the plastic housing in water During installation the power supply cord must not be excessively or dangerously bent or flattened 3 3 During normal use The dishwasher must only be used by adults for the washing of household dishes and cooking utensils Th...

Page 7: ...m the manufacturer or its service agent To maintain the EFFICIENCY and SAFETY of this appliance we recommend call only the Service Centers authorized by the manufacturer always use original Spare Parts 4 3 When disposing of old appliances Appliances 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 ...

Page 8: ...let the water run to make sure that the water is clear and free of impurities If this precaution is not taken there is a risk that the water inlet can get blocked and damage the appliance Warning The appliance is to be connected to the water mains using new hose sets and that old hose sets should not be reused 4 7 Drain hose connection Insert the drain hose into a drain pipe with a minimum diamete...

Page 9: ...ce is a safety requirement mandated by law If the electrical socket to which the appliance must be connected is not appropriate for the plug replace the whole cable rather than using adaptors or the like as they could cause overheating and burns Caution The dishwasher plug must be accessible even when the appliance is installed as a built in unit so that maintenance can be done safely 4 9 Dissembl...

Page 10: ... Manual Model No DW12 TFE1 DW12 TFE2 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 hoop and clips ...

Page 11: ...ocedure 4 9 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 ringent Press the wedge of the water pressure switch until it comes out of slot with hands ...

Page 12: ...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 new one Insert cable line in connection method is just like the picture on the left ...

Page 13: ...osition 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 ringent slot part and then push it until to the slot bottom Put the pipe to the smaller ringent place of its bottom and then the installation is completed ...

Page 14: ...p 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 4 9 3 Baseboard disassembly Lie the machine down use ross screwdriver to drive two screws on baseboard off Use screwdriver to push the baseboard off the support foot don t put big force to avoid break the stator ...

Page 15: ...embly Disassemble the baseboard Pls find the pic of baseboard Use cross screwdriver to drive two screws off the side panel 4 9 5 Side panel disassembly Disassemble the Complete top pls follow the disassembly step use the cross screwdriver to drive two screws which are on left top of machine off side panel ...

Page 16: ...o DW12 TFE1 DW12 TFE2 Issue Rev Use the cross screwdriver 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 ...

Page 17: ...9 6 Sump disassembly Disassembly the drain pump refer to with the way required for the drain pump 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 ...

Page 18: ...ice Manual Model No DW12 TFE1 DW12 TFE2 Issue Rev Disassembly the temperature sensor with black plastic bracket screw the Ring nut for sump fastening out with an anticlockwise way Sump are dissembled completly ...

Page 19: ...ve and the low salt switch Remove the three clips for fixing the rubber connect pipe then pull out the rubber pipe Open the out door you can see the salt adding cover then circumrotate the cover anticlockwise and screw it down Circumrotate the fixing set of the water softer anticlockwise then screw id down you can use the disassembly tool to operate Then take the water softer down accordingly ...

Page 20: ...ssembly Remove the two self drilling bolts for fixing the heater bracket from the middle bar then remove the heater Pull out the three connector of the heater Remove the pipe hoop Remove the connector pipe of the hot pump and the middle hot pump then can take the heater down ...

Page 21: ...lt Indicator C 3 in 1 Indicator G Knob For Selecting Cycle D 3 in 1 Button 5 2 Dishwasher interior Upper Rack a b c d e f Top Spray Arm Silverware Basket Bottom Spray Arm Lower Rack Detergent and Rinse Aid Dispenser g h i j k Salt Container Cap Washing Filter Water Inlet Hose Drain Hose Power Supply Cord a d e f h b c i j k g B A D C F E G B A G DW12 TFE1 Series DW12 TFE2 Series ...

Page 22: ... are filling the container for the first time 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 cap back on Important To prevent the formation of rust load the salt just before beginning a wash cycle 6 3 Adjusting salt consumption The dishwasher is des...

Page 23: ...r softening system is If using multi functional tablets fill the salt dispenser and set the adjuster to if the hardness of the water is greater than 60ºfH set it to ºdH ºmmol l Hardness of the water Salt consumption Grams cycle Autonomy cycles 2kg 0J10 MJNT MJNIT NIUJQIQ NUJQQ NMJOR ORJRM QRJUV QIRJUIV UV RM UIV L J jba L M OM QM SM H SM QM OR ºfH Selector knob position ...

Page 24: ...t settings the normal dosage setting is 3 Important Proper 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 dosage adjustor to a lower setting 7 2 How to fill detergent dispenser 7 2 1 Detergent Detergent specifically intended for use with dishwashers ...

Page 25: ...nd other utensils with sharp points must be loaded in the basket with their points down or placed in a horizontal position 8 2 How to use the upper rack The upper rack is designed to hold more delicate and lighter dishware such as glasses cups and saucers plates small bowls and shallow pans as long as they are not too dirty Position the dishes and cookware so that they do not get moved by the spra...

Page 26: ...cators A light 9 3 Switching the dishwasher OFF Several minutes after the programme has ended Set On Off button to Off Open the door Turn the water tap off Remove dishes etc when they have cooled down Notice When the appliance is already underway press the button B for 3 seconds all of the settings will be cancelled 9 4 Interrupting the programme Open the door Caution There is a risk of water squi...

Page 27: ... series When using 3 in 1 combination products the rinse aid and salt lights are no longer useful It may be helpful to select the lowest possible setting for water hardness If you decide to switch to the use of a standard detergent system we advise that you Refill both the salt and rinse aid compartments Switch the water hardness setting to the highest possible position and run for three normal cy...

Page 28: ...o DW12 TFE1 DW12 TFE2 Issue Rev 9 7 Reset drain function You can use Reset drain function to stop the washing cycle under running by Rotating the knob to Reset and the appliance will stop after a few minutes drain phase G Kalt ...

Page 29: ...ying on the dishes Pre wash use cold water Extended wash at 50 C Rinse with cold water Rinse with hot water Drying Wash at 45 C Rinse with warm water Hot rinse Drying Soups casseroles sauces potatoes pasts rice eggs roast or fried food a lot a little stuck on hard Soups potatoes pasta rice eggs roast or fried food loosely attached Coffee cakes milk sausage cold drinks salads Very little loosely at...

Page 30: ... Detergent Extended Wash Prewash Rinse Aid Duration in minutes 2 4 2 0 5 N E d r a d n a t S n a e p o r u E h t i w e c n a d r o c c a n i e v l a v d e r u s a e m y r o t a r o b a L 5g 5g 5g 25g 25g 25g 112 112 102 102 162 162 92 92 32 54 12 15g 15g 15g ...

Page 31: ...30 Service Manual Model No DW12 TFE1 DW12 TFE2 Issue Rev 11 Function Schedule ...

Page 32: ...ior use a cloth dampened with water and a little while vinegar or cleaning product made specifically for dishwashers 12 4 Moving the Appliance If the appliance must be moved try to keep it in a vertical position If absolutely necessary it can be positioned on its back 12 5 Seals One of the factors that cause odors to form in the dishwasher is food that remains trapped in the seals Periodic cleanin...

Page 33: ...ries Check the LOW RINSE AID indicator E on the front panel Top up with rinse aid if required 13 4 Filters The filters 8 9 prevent larger particles 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 After undoing the coarse micro filter 8 the filter unit...

Page 34: ...l Model No DW12 TFE1 DW12 TFE2 Issue Rev Unscrew the upper spray arm 10 Clean both spray arms under running water Refit the spray arms Ensure that the lower arm has locked into place and the upper one is screwed tight ...

Page 35: ...operly Programme button has not been pressed Water tap not turned on Blocked strainer in water 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 considerable equipment damage as well as danger to the user with the appliance itself Error displays on the S...

Page 36: ...ersists contact the nearest authorised service center and provide them with the following information the nature of the problem the model type 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 or food remains Lid in detergent compartment cannot be closed...

Page 37: ...ry etc Remnants of food are stuck to the dishes cutlery etc Dishwasher was not loaded properly Jets of water could not reach all parts of the dishes ect Too many items in the rack Items in the rack were touching each other Not enough detergent was added to dispenser Selected wash programme was not intensive enough Rotation of spray arm was obstructed by dishes etc N ozzles in spray arm are blokcke...

Page 38: ...etely removed Detergent does not have a sufficient bleaching effect Washing temperature was set too low Traces of rust on cutlery Cutlery is not sufficiently rustproof Salt content in washing water is too high Lid on salt container is not screwed tight Too much salt was spilt while filling container Glasses become clouded and discoloured coating cannot be wiped off Unsuitable detergent was used Gl...

Page 39: ...you forgotten to press one of the buttons or to perform an essential operation 15 2 Trouble shooting l a n g i s g n i n r a W n o i t c n u f l a M Door switch trouble buzzer emits 1 short warning signals Sensor trouble buzzer emits 2 short warning signals Leak trouble buzzer emits 3 short warning signals Drain pump trouble buzzer emits 4 short warning signals Water supply trouble buzzer emits 5 ...

Page 40: ...tch 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 ...

Page 41: ...the 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 water pressure is too low Whether water level switch is ok Y Y Y N Y Cable or the controller board is broken N Change the solenoid valve Change water level switch N N Y ...

Page 42: ...henomenon 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 high Cable or the controller board is broken The drain pump is broken N N Y Y N Y ...

Page 43: ... 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 board is suspected damaged Y Y N Connect it well Replace the heater Connect the two terminals well N N Y ...

Page 44: ...43 Service Manual Model No DW12 TFE1 DW12 TFE2 Issue Rev 16 5 Water overflow trouble Phenomenon drain pump keep on working ...

Page 45: ...er 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 properly The cable or the controller board should be suspected N N Y Y ...

Page 46: ... TFE2 Issue Rev 16 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 properly Change the water level switch Y Y N N ...

Page 47: ...46 Service Manual Model No DW12 TFE1 DW12 TFE2 Issue Rev 17 Net dimension ...

Page 48: ...v 18 Technical data 12 standard place settings Width Depth Height Capacity Mains water pressure Power voltage Total absorbed power 60 cm 60 cm 85 cm See nameplate See nameplate See nameplate Fuse 13A Model No DW12 TFE1 DW12 TFE2 ...

Page 49: ...8 4 Service Manual Model No DW12 TFE1 DW12 TFE2 Issue Rev 19 Circuit Diagram DW12 TFE1 series DW12 TFE2 series ...

Page 50: ...Sincere Forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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