Service Manual
Contents
1. e Please observe the following notes for safety e symbols indicate as follows Indicates possibility of death or serious injury of a repair technician and a person nearby through the misconducted work or of a user by a defect of the WARNING product after the work performed by the technician Indicates possibility of injury or physical damages of a repair technician and a person nearby through the misconducted work or of a user by a defect of the product after the work performed by the technician CAUTION Caution Read the operator s manual before using this product caution hot surface caution risk of fire Unplug power cord for the work such as disassembling which is not unnecessary to power on Do not hold the plug by a wet hand Failing to unplug may cause an electric shock UNPLUG POWER 2 Unpacking Ways Of Main Parts Ordinary Information 1 Please unplug the power cord when you disassemble or maintain the product 2 Please use the regulation connector lug between the wires as much as possible Then crimp them firmly by the proper tools and bundle them by the insulating tape 3 When you plug the wires please insert the plug to the bottom so it is not easily to be unplugged 4 Make sure that the wires cannot touch the mobile part such like the drum and also cannot touch the sharp hard edged party and high heat part motor 5 Please preserve the screws when you take them down2. You will use them when you install the dryer 6 6 0metimes you must operate the dryer when it is electriferous In this case you must be careful and pay attention to the electric shock 2 Unpacking Ways Of Main Parts 1 Remove the top cover components of the case 1 Remove the screw cap 2 Remove the screws fixed roof component 3 Take out the roof component WARNING c E Unplug the power cord for the work unnecessary to power ER on like disassembling T Do not hold the plug may cause an electric shock UNPLUG POWER 2 Remove the back board component of the case 1 remove the screws fixed back board 2 remove the screws fixed thermostat support component 3 pulled out wire harness assembly and Line firm and terminal connected with back board 4 take down the back board component 2 1 Removed the back vent flange 2 2 Remove the power line 2 Unpacking Ways Of Main Parts 2 3 Remove the filter P ve the door component including the door hinge 2 the screws fixed door hinge 2 take down the door component and hinge 3 1 remove the door hinge front door and back door frame 4 Remove the inner tub assey 1 Remove the reinforced plate 2 take out the belt from the motor shaft removed the screws which is fixed drum kit and the automatic thermostat 4 pull out the terminal connected wire with heating pipe 5 take out the drum kit and the belt 4 1 Remove the body o
3. table According to the prevailing ambient temperature determination error 3 C 25KO 4 Temperature level C 20KO Sensor C 15 5KO C 12 5KO C 10 Thermostat 8 6 5KQ With a multimeter to test the connection at both ends of the N and L are each turned on Conducting OK the Electric filter replacement is turned on Heater Test resistance value should be 29 4 10960 17 5 Service Tools Drum tub MEM Sleeve 138 and spanner Capacitance 0 ER and pliers Impeller Other tools 3 Common service tools screwdriver pliers and so on 18 7 Appendix Machine function description program description the whole detailed parameter table fault codes etc Please refer to the instructions Note The schedule for the reference value ES eum MDS70 V032 AO 31 18 19 The end 20
4. Dryer Model MDS70 V032 A0431 EUIS PI Service Manual Note Before service the unit please read this manual first Contact with your service center if meet problem Contents 1 PRECAUTION 3 1 1 Safety Precautions 1 2 Servicing Precaution 1 3 Cautions For Safety 2 UNPACKING WAYS OF MAIN 5 3 MALFUNCTIONS CODES AND EXPLANATIONS 12 A TROUBLESHOOTING coii cH NE ERE A E DE 13 4 1 The Control panel not displayed after selecting the program 4 2 The drum not worked after selecting the program 4 3 Maintenance non heating malfunction 4 4 Drum worked but the effect of drying is not good 4 5 Noise 4 6 Peculiar smell appears when the dryer is working S CHECKPOINT OF CIRCUL 17 O SERVICE TOOLS N EUER MINE 18 Eid 42 p p M 19 1 Precaution When performing troubleshooting and part replacement during servicing note the following safety precaution 1 1 Safety Precautions 1 1 1 Use Genuine Parts The components of the Tumble Dryer machine have safety features such as non combustibility and voltage withstanding Therefore always use the same part as suggested by the maker In particular be sure to use only designated parts in case of major safety parts identified by the mark
5. axes Change the motor 13 4 Troubleshooting 4 3 Maintenance non heating malfunction Whether to set up non heating o Whether the connect of heater thermostat and PCB panel is well or not o Whether the thermostat is well or not Change the thermostat s or not YES To choose the new program YES Reliable connection Whether the heater is well NO YES Change the heater 4 4 Drum worked but the effect of drying is not good Whether the volume make sure the volume of clothes is more YES of clothes is no more than 6kg or not o connect power cord Choose the cotton Whether the filter lint rogram Whether the have been cleaned in clean the filter lint a er is heating or time NO Whether the connect of heater is well or not YES Whether the thermostat thermostat is well or not vo Change the thermostat o Whether the Impeller is well or not YES Change the Impeller Whether the underpro was bloc clean the underprop 14 4 Troubleshooting 4 5 Noise Check the source of voice Whether the Screw which Toss to ue nd e Side plates NO Whether the Underprop wheel NO Whether the Tub shaft is break off NO Whether the Pulley Spring is invalidation NO Whether the Motor support ul Whether the Motor friction or oscillation is too big No Whether the Impeller was brok
6. e or broke off NO Whether the Bearing block the Tub shaft NO Whether the Drain hose and the Overflow tube chafe the Side board YES twist the Screw adjust the axial position of Underprop wheel change Tub shaft change Pulley Spring change Motor support or install Motor support again change Motor change Impeller install Impeller again change Bearing block install Drain hose and the Overflow tube in pipe catch 15 4 Troubleshooting 4 6 Peculiar smell appears when the dryer is working Whether something burnin e 5 YES Clean heater oj Whether the motor blocked YES _ Solve the motor blocked if 7k the motor damaged it o Whether the belt sliding or YES wear leading to rubber odor 3 o Whether other electrical YES Replace corresponding components broken down electrical components Replace the belt 16 5 Check Point Of Circuit Before repairing use multimeter to judge circuit stand of fail Measured with a multimeter primary and secondary windings of the motor Motor Assembly Main winding white blue 30 0 x 1 1096 Q 20 C Secondary winding white red 30 0 x 1 1096 O 20 Capacitor Test capacitance value should be 9 3 596uF With a multimeter to test the connection at both ends are each turned on Conducting OK the replacement is not turned on Measured across the resistor with a multimeter the resistance line with RT
7. er 1 1 2 Grounding Connect the grounding wire to the shell plate and bury it under at least 25cm of earth alternatively connect the ground wire to the appropriate pin on a properly grounded power receptacle Never connect the wire to a telephone line lightning rod or gas pipe 1 2 Servicing Precautions 1 2 1 Observe Warnings Be sure to follow special warning and precautions that are described on part labels and in the owner s manual 1 2 2 Parts Assembly and wiring Be sure to use insulation material such as tube and tape And be sure to restore all parts and wires to their original position Take special care to avoid contact with sharp edges 1 2 3 Perform Safety Checks after Servicing After servicing check to see that the screws parts and wiring are restored to their original positions and check the insulation between the external metals and the socket plug In addition place the Tumble Dryer machine in a level position less than 1 one degree to prevent vibration and noise during operations 1 2 4 Insulation Checks Pull out the plug form the power receptacle pour water into the spin tub and then set the timer Check to see that the resistance insulation between the terminals of the plug and the externally exposed metal is greater than 1M Note When it is impossible to perform insulation check with a 500V insulation resistance tester use other testers for inspection 1 Precaution 1 3 Cautions For Safety
8. f drum lifting bar heating pipe cover and drum shaft etc 4 2 Remove the heating pipe heating pipe cover and its Support 2 Unpacking Ways Of Main Parts 5 Remove the control panel component 1 removed the screws fixed control panel component 2 Pull out the terminals connected wire with PCB board x Remove the control pannel PCB board and buttons etc 6 Remove the wiring harness including the thermostat p remove all the line firm fixed wires 2 pull out the terminals connected the wires with the motor and the door switch 3 take out the wires 6 1 Remove the automatic thermostat 6 2 Remove the support components of the manual Thermostat 6 3 Remove the manual thermostat 2 Unpacking Ways Of Main Parts 7 Remove the front plate assembly 1 remove the screws fixed front plate assembly 2 take out the front plate assembly 7 1 remove the door switch plate 7 2 Remove the support components of the drum 7 3 Remove the door gasket and front plate Remove the side plates and base assembly 1 remove the screws fixed side plates 2 take out the side plates and base assembly 1 Remove the front air duct 2 Unpacking Ways Of Main Parts 8 2 Remove the impeller 3 Remove the fixd block of the motor 4 Remove the fixd stator of the motor 5 Remove the tight spring 6 Take out the motor components 7 Remove the capacitance 2 Unpacking Ways Of Main Parts 8 8 Remove
9. the motor bracket Bottom plate and the air duct 11 3 Malfunctions Codes And Explanations Error E4 description Temperature Sensor error Temperature Sensor error UM Action after fault Failure Criteria iip debounced indication Temperature Sensor Stop the program Led 3H and m and go to fault T is open or PCB fault stain 6H flashing Stop the program ed 3H and and go to tault 6H flashin state E Temperature Sensor is short or PCB fault 12 4 Troubleshooting 4 1 The Control panel not displayed after selecting the program Whether the poc SUE has voltage or NU check the fuse no YES Whether the both check whether the YES wiring harn ess NO ends of CN1 assemble well or not reliable the connection connector Jack has voltage or not YES NO whether The filter is well or not Change the PCB kit YES Change the filter 4 2 The drum not worked after selecting the program Whether the PCB has No whether the strap k off whether the spring is alarm or not break o NO well 5 Whet er the connection Change the strap Change the spring is well or no d Whether the door is lose the door or change closed well or not the door lock ull Whether the NO whether the axes is NO whether the motor connection break off or not wrecked is short or not ves YES YES Change the connection Change the
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