Tumble Dryer Machine Service Manual
Contents
1. is normal but the drum don t turn Analysis and maintenance 1 First check whether the door is closed if it can t run when the door is already closed and switch normally enter into steps 2 2 f the motor works normally maintenance methods are a First check the cabinet or the top cover is seriously distortion b If there is no seriously distortion check the belt is damaged or installation does not get the right position Replace the belt if it has damaged Install the belt to the right position if it is not c lf the belt is ok check the pulley kit whether it is working correctly If pulley kit can t move or resistance replace pulley kit and pulley kit pin shaft If support kit for tighten wheel deformation leading to pulley kit can t work Replace the support kit for tighten wheel If the spring of the pulley kit to fall or too loose s replace the spring d If the case were not there check whether the belt has slip If the belt slip replace the belt f the motor can t work maintenance method is a Check the line of the PCB board correctly whether the wiring are fracture b Check whether the capacitance and motor are matching whether the wiring are put in good position c Use the new capacitance to test If the motor running normally the capacitance proved to be broken otherwise the motor proved to be broken Replace motor d f there is no problem with motor and capacitor replace PCB board 4 3 When a long heating an2. Whether the Impeller was broke or broke off el VVhether the Bearing block the Tub shaft el VVhether the Drain hose and the Overflow tube chafe the Side board E YES b twist the Screw YES adjust the axial position of Underprop wheel YES YES gt change Pulley Spring change Motor suppor or gt install Motor suppor again gt change Motor gt change Impelleror install Impeller again install Drain hose and the Overflow tube in pipe catch 08 3 SCHEDULE OF FAILURE AND MAINTAIN TREE 3 6 Peculiar smell appears when the dryer is working Whether something burning neater YES R Clean heater NO VVhether the motor blocked YES Solve the motor blocked if the motor damaged it NO VVhether the belt sliding or vvear leading to rubber odor l Whether other electrical YES R Replace corresponding components broken down electrical components YES Replace the belt 09 4 PHENOMENON OF THE FAULT 4 1 The lamp of the control panel is showed when you press the power switch Analysis and maintenance 1 Check the power supply whether power or socket contact undesirable 2 Check the power wiring rack whether installed in place or not PCB board see if the problem has been solved 3 Check the line plug in the computer board if it is normal change into a new PCB board see if the problem has been solved 4 2 Press the power switch and the start pause button the lamp
3. Use the correctly rated breaker of fuse There is risk of fire or electric shock m Do not modify or extend the power cable There is risk of fire or electric shock m Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury m Be caution when unpacking and installing the product Sharp edges could cause injury be especially careful of the case edges and the fins on the condenser and evaporator m For installation always contact the dealer or an Authorized service center There is risk of fire electric shock explosion or injury m Do not install the product on a defective installation stand It may cause injury accident or damage to the product m Be sure the installation area does not deteriorate with age If the base collapses the dryer could fall with it causing property damage product failure and personal injury m Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock m Do not place anything on the power cable There is risk of fire or electric shock 03 1 SAFETY PRECAUTION m Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock m Do not touch operation the product with wet hands There is risk of fire or electric shock m Do not place a heater or other appliance near the power cable There is risk of fire and electr
4. the screws fixed control panel component 2 Pull out the terminals connected wire with PCB board 5 1 Remove the control pannel PCB board and buttons etc 6 Remove the wiring harness including the thermostat 1 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 5 DISASSEMBLY INFORMATION FOR THE PRODUCT 6 1 Remove the automatic thermostat 6 2 Remove the support components of the manual thermostat 6 3 Remove the manual thermostat 7 Remove the front plate assembly 1 remove the screws fixed front plate assembly 2 take out the front plate assembl 7 1 remove the door switch 5 DISASSEMBLY INFORMATION FOR THE PRODUCT 7 2 Remove the support components of the drum 7 3 Remove the door gasket and front plate 8 Remove the side plates and base assembly 1 remove the screws fixed side plates 2 take out the side plates and base assembly 8 1 Remove the front air duct 8 2 Remove the impeller 16 5 DISASSEMBLY INFORMATION FOR THE PRODUCT 8 3 Remove the fixd block of the motor 8 4 Remove the fixd stator of the motor 8 5 Remove the tight spring 8 6 Take out the motor components 8 7 Remove the capacitance r 5 DISASSEMBLY INFORMATION FOR THE PRODUCT 8 8 Remove the motor bracket Bottom plate and the air duct Pi white Temperature sensor P2 brown Door switch P
5. 3 purple Motor P4 blue B Pover cord P5 metal Heating oipe P6 metal Heating oipe 5 3 Notice 1 When you Remove the cabinet motherboard pay attention to wear Gloves in case hurting your hands 2 Do not rub the Cabinet in order not to influence its nicety 3 Pay attention to take all the screws and stuff trimly 4 When you install all the screws make sure all the screws firmly and not ineffectively 18
6. d drying the clothing doesn t to be heated Analysis and maintenance 1 Check whether reset thermostat is ok find the reason that caused this action reset after solved this problem 2 Else check whether the pin of heater fixed well 3 Check whether the units on PCB board connected tightly 4 Check whether the impedance of heater was normal 5 Check whether the impedance of temperature sensor was normal 6 When there is no problem above change the PCB board 4 4 Switch on the power source press the power switch without pressing the start button the dryer start running Analysis and maintenance This might caused by the fault of PCB board make the start pause button not work Then take off the control panel and replace the PCB board 4 5 Switch on the power source the dryer start running Analysis and maintenance This might caused by the fault of PCB board take off the control panel and replace the PCB board 10 4 PHENOMENON OF THE FAULT 4 6 Svvitch on the povver source press the start pause button the dryer doesn t work but alarm Analysis and maintenance This might caused by the fault of door lock make the PCB board detected that the door is open and alarmed replace the door switch 4 7 The dryer is running open the door but the dryer still running Analysis and maintenance This might caused by the fault of door lock make the PCB board detected that the door is closed replace the d
7. drying fewer clothes vccsseeeeeeee eeeeeseeesesesesesoee l 4 10 The drum of the dryer cannot rotate efficiently Il 4 11 When you find the cabinet have current in the using process 11 4 12 The key doesn t work under the normal condition 5 DISASSEMBLY INFORMATION FOR THE PRODUCT gt E E ee 12 5 1 Ordinary Information 12 5 2 The disassembly methods of Struts 12 5 3 Notice 18 6 FAULT ALARM DISPLAY 03 7 7 DRYER CIRCUIT DIAGRAMS 20 8 DRYER EXPLODED FIGURE 21 202 1 SAFETY PRECAUTION 1 1 Safety Precaution m To prevent injury to the user or other people and property damage the following instructions must be follovved m Incorrect operation due to ignoring instruction will cause harm or damage m Before service unit be sure to read this service manual at first 1 2 VVarning m Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock m For electrical work contact the dealer seller a qualified electrician or an Authorized service center Do not disassemble or repair the product there is risk of fire or electric shock m Always ground the product There is risk of fire or electric shock m Install the panel and the cover of control box securely There is risk of fire of electric shock m Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock m
8. eat and select at the same time Check that Whether retains the air dry program or in the 05 3 SCHEDULE OF FAILURE AND MAINTAIN TREE 3 3 Maintenance non heating malfunction Whether to set up non heating sal Whether the connect of heater thermostat and PCB ES Reliable connection panel is well or not el YES To choose the program VVhether the thermostat is NO VVhether the heater is vvell YES vvell or not or not YES Change the thermostat 3 4 Drum worked but the effect of drying is not good Whether the volume make sure the volume of clothes is more R of clothes is no more than kg or not NO connect power cord Choose the cotton Whether the filter lint program Whether the b have been cleaned in m clean the filter lint heater is heating or time NO NO 75 n Whether the Impeller NO Whether the underprop n t is vvell or not gt was block Whether the thermostat clean the underprop is well or not el Change the thermostat 07 3 SCHEDULE OF FAILURE AND MAINTAIN TREE 3 5 Noise Check the source of voice Whether the Screw which connect to Tub_wrap and lifter is loose cause the Screw and el VVhether the Underprop vvheel el VVhether the Tub shaft is break off NO Whether the Pulley Spring is invalidation el VVhether the Motor support Whether the Motor friction or oscillation is too big NO
9. ent It is very dangerous if it caused by drain current It 1s usually caused by some electrical parts are short circuited or damaged by moisture or the wire s insulative parts touch the metal parts under the fracture etc t is the faradic current if you find the electroprobe light when you put it on the dryer s cabinet In this case please check the dryer grounded or not You should check it and exclude it 4 12 The key doesn t work under the normal condition Analysis and maintenance The dryer s key doesn t work under the normal condition it may be caused by the questions 1 The button is droped or dislocated 2 The key of the control panel is partly damaged 3 The key of the PCB board is broken 11 5 DISASSEMBLY INFORMATION FOR THE PRODUCT 5 1 Ordinary nformation 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 o Please preserve the screws when you take them down You will use them when you install the dryer 6 ometimes you must operate the dryer when it is electriferous In this ca
10. ge the PCB kit whether The filter is well or not 3 2 The drum not worked after selecting the program Whether the PCB has NO whether the strap NO whether the spring is alarm or not gt break off gt vel z z O O Whether the connection change the strap change the spring is well or not Whether the door is NO lose the door or change closed well or not the door lock Whether the connection NO whether the axes is NO gt whether the motor is short or not break off or not wrecked Change the connection change the axes change the motor wire 06 2 OPERATIONAL Symptom Totally not worked Suddenly stop in operation the key stoke useless The dryer run well but the heater not worked Check daily notice proceeding check that whether has power source or not check that whether the power socket inserted firmly or not Check that whether the power switch is on or not Check that whether press the start pause button or not Whether the power source stopped if the power source stopped the program input could be canceled it does not continue to work Please input the program again and run it again Whether the door is open or not After starting the program it is just available in the period of drying for both key stoke if you want to change the setting please turn off the power and set it again Check that whether the child lock if so press the h
11. ic shock m Do not allow water to run into electric parts It may cause fire failure of the product or electric shock m Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product m Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur m f strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire m Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock m Be caution that water could not enter the product There is risk of fire electric shock or product damage m Turn the main power off when cleaning or maintaining the product There is risk of electric shock m When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation 04 3 SCHEDULE OF FAILURE AND MAINTAIN TREE 3 1 The Control panel not displayed after selecting the program Whether the power socket has voltage or YES NO 3 check the fuse Turn on the Timer check whether the whether the voltage NO wiring harness NO R reliable the connection betvveen electric shock assemble vvell or not is normal Chan
12. oor switch 4 8 When the dryer is running the air volume of outlet was little Analysis and maintenance 1 Check whether the inlet was obstructed keep the freely flowing of air inlet 2 Check whether the filter was obstructed get it out and cleaned 4 9 The dryer keep running a long time while drying fewer clothes Analysis and maintenance It is suggest to you take the 1 hour program If it still cannot solve the problem please check the thermostat and replace it after you are sure the thermostat is error 4 10 The drum of the dryer cannot rotate efficiently Analysis and maintenance The dryer cannot work efficiently when you put the clothes of rated capacity It may be caused by the questions 1 Due to the belt had been fretted away flabbily and the wedge type is damaged the belt works skidded And then the weak belt make the drum of the dryer cannot rotate efficiently In this case please replace the belt 2 The extenuation of the spring of the pulley spring leads to the weak force of pulley This can also make the belt skidding and the drum of the dryer cannot rotate efficiently In this case please replace the pulley spring 3 Because of the faulty connection of the capacitor the motor cannot work normally 4 Maybe the capacitor is aged In this case please replace the capacitor 4 11 When you find the cabinet have current in the using process Analysis and maintenance You should check it drain current or faradic curr
13. se you must be careful and pay attention to the electric shock 5 2 The disassembly methods of Struts Steps of disassembling machine 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 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 712 5 DISASSEMBLY INFORMATION FOR THE PRODUCT 2 2 Remove the power line 2 3 Remove the filter 3 remove the door component including the door hinge 1 remove the screws fixed door hinge 2 take down the door component and hin 3 1 remove the door hinge front door and back door frame 4 Remove the inner tub assy 1 Remove the reinforced plate 2 take out the belt from the motor shaft 3 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 5 DISASSEMBLY INFORMATION FOR THE PRODUCT 4 1 Remove the body of drum lifting bar heating pipe cover and drum shaft etc 4 2 Remove the heating pipe heating pipe cover and its Support 5 Remove the control panel component 1 removed
14. sen Midea Tumble Dryer Machine Service Manual MDA60 V012 A0303 GBI18 TABLE OF CONTENTS 1 SAFETY PRECAUTION 3 1 1 Safety Precaution 3 12 Wain wsveduvarateratinve need spans eta er O 3 ZOFEBOLOMNAL Gu aa b 5 3 SCHEDULE OF FAILURE AND MAINTAIN TREE 8 6 3 1 The Control panel not displayed after selecting the program 6 3 2 The drum not worked after selecting the program 6 3 3 Maintenance non heating malfunction 7 3 4 Drum worked but the effect of drying is not good 7 OSNGIGS daaa bay koma a a aaa ami 8 3 6 Peculiar smell appears when the dryer is working 9 4 PHENOMENON OF THE FAULT 10 4 1 The lamp of the control panel is showed when you press the power switch 2 10 4 2 Press the povver svvitch andthe start pause button the lamp is normal but the drum don t turn 10 4 3 When a long heating and drying the clothing doesn t to be heated 0 0 0000 eee 10 4 4 Switch on the power source press the power switch without pressing the start button the dryer start running 10 4 5 Switch on the power source the dryer start running 10 4 6 Switch on the power source press the start pause button the dryer doesn t work but alarm 11 4 7 The dryer is running open the door but the dryer still running fi 4 8 When the dryer is running the air volume of outlet was little l 4 9 The dryer keep running a long time while
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