Midea l712wmb16 Service Manual Download Page 10

3.TROUBLESHOOTING

P.10

3.2.6 Pressure switch checking (t06)

1) Enter into service mode, drain out the water, LED displays LL.
2) Press 

 button to activate inlet valve. LED displays level frequency once water lever get 

the main wash level.
3) Press 

3.2.7 Water temperature sensor and heater checking (t07)

1) Press 

 button to activate the main inlet valve and get the water lever to heating level then

 turn on the heater and 5 min later turned off automatically.
2) After heater turned on, LED displays the current temperature. Detect the real temperature of inner 
drum and check with the numbers on the display.
3) Press 

 button to exit, LED displays “t07”

3.2.8 Inlet valve checking (t08)

Enter into service mode, drain out the water, LED displays “UU”
Press 

 button, LED displays “u3”and switch on the main wash inlet valve for 10 min.

4) Press 

 button, LED displays “u2” and 

    

3.2.9 Rotating checking (t09)

1) Enter into service mode, LED displays “tUB”
2) Press

 

 button, inner drum rotates in 45r/m clockwise for 15s and stop for 10s then rotates 

counterclockwise for 15s, over and over again.
3) Press 

 button to turn off the motor and exit, LED displays “t09”.

3.2.10 Spin speed checking (t10)

1) Press

 

 to enter into service mode, LED displays “spn”.

2

he number on the display goes up in the same pace with the real speed 

and when it reach 400rpm, you need to press 

 button to get the machine to reach its target speed.

( if declared speed 

1000rpm, target speed is 1000rpm and if declared speed 

1000rpm,target speed is

 its declared speed)
3) Press 

 button to exit and LED displays “t10”.

 

3.2.5 Drain pump checking (t05)

1) Enter into service mode, LED displays “PPt”.
2) Press 

 button to drain out all the remaining water. If all water drained out, LED displays 

“EP”

and 6 minutes later ,if there is still water remains in it, LED displays “FP”.

3) Press 

 button to exit, LED displays “t05”

1) 
2) 
3) Press 

 button, LED displays “u1” and switch on prewash valve for 5s.

switch on the main wash inlet valve for 5s.

5) Press

 

 button to switch on main wash and prewash valve and get the water lever to setting

 level, then drain out the water.

) Press

 

 button again, t

[K5]

[K5]

[K5]

[K2] button 4 times to start water inlet valve for water supply, after the water level reaching

the overflow line, drain out all the water.

[K5]

[K5]

[K5]
[K2]
[K2]
[K2]

[K5]

[K5]

[K5]
[K5]

[K2]

[K5]

 

3.2 Sevice mode

Summary of Contents for l712wmb16

Page 1: ...Service Manual Drum Washing Machine Http global midea com cn Note Before serving the unit please read this at first Always contact wih your service center if meet problem Glory 6 0 7 0 8 0KG...

Page 2: ...top cover 4 1 3 Undo the control panel 4 1 4 Undo the lower panel 4 1 5 Undo the door lock 4 1 6 Undo the front panel 4 UNPACKING WAYS OF MAIN PARTS 4 1 Overeview the unpacking step 07 3 1 Malfuction...

Page 3: ...failure diagnosing and changing components 6 1 5 Door_assembly 6 1 4 Dispenser_assembly 6 1 3 Top cover_sub 6 1 1 Cabinet_sub 6 1 2 Tub_sub 29 34 35 36 37 38 6 1 Explored view of Parts List 34 5 2 The...

Page 4: ...t open the door if there is any water visible Pets and kids may climb into the machine Check the machine before every operation Glass door may be very hot during the operation Keep kids and pets far a...

Page 5: ...are put in or distributed well The household washing machine isn t intended to be built in Cautions during Handling Machine 1 Transport bolts shall be reinstalled to the machine by a specialized perso...

Page 6: ...tronic water distribution system The machine uses PCB to control the inlet valve and distribute water properly at the different stages and dissolve detergent and softener absolutely to improve perform...

Page 7: ...higher than the water level of the inside the machine Check if the drainage pipe and sewage have been sealed if they have been there will be the poor ventilation to cause the siphonage effect No drai...

Page 8: ...ove abnormal situations would you please contact the nearest The washing machine adds water automatically Because there is too much bubble in the tube the washing machine is cleaning the bubble Soluti...

Page 9: ...last code and press to show the next code The latest 10 error codes can be found in system and same error code is recorded one time even if it occurs more than one time 3 If no error information foun...

Page 10: ...over and over again 3 Press button to turn off the motor and exit LED displays t09 3 2 10 Spin speed checking t10 1 Press to enter into service mode LED displays spn 2 he number on the display goes u...

Page 11: ...P 11 3 3 Schedule of failure alarm 3 TROUBLESHOOTING...

Page 12: ...ther NTC is short or open circuit Y Whether the pressure switch is well or not N Y Choosing new heating temperature Y Whether to set up non heating Non heating Whether the heater is well N Change the...

Page 13: ...gram N Reliable connection The door is invalid and should be replaced lock Y Y Y Y N Door non locked Whether push the start pause button to start theprogram Change the control panel Whether the voltag...

Page 14: ...ning with brush Change the switch pressure 3 No water inlet or water inlet overtime Whether press start pause button after choosing the program Whether door lock 3 and 2 is connected correctly Whether...

Page 15: ...Heating beyond the setting temperature its maintenance Change NTC Y Whether the connection is well N Whether NTC is short circuit or open circuit Y Y Change the control panel Over heating 3 TROUBLESH...

Page 16: ...Y N Y Y 5 Maintenance of non drain or drain exceed the setting time Whether it is in the state of pause Push start pause button Whether the pump is vibrating Whether the connection between the pump an...

Page 17: ...e inlet Y N Reliable connection Y Y N Y N Water inlet overflow Whether the electric connection of pressure switch is normal Change the control panel Whether the water is in without power Whether the g...

Page 18: ...ock is well Y N Change the door lock N Y Y Y Whether the motor is well Whether the connection of main and auxiliary wiring harness is well N Reliable connection Y Whether the inlet is correct N Waitin...

Page 19: ...t at the same time Whether the washer is disposing the foam in the drum Change the control panel N Y Normal phenomenon Y Water inlet and water outlet at the same time Whether the drain hose is hung to...

Page 20: ...the PCB panel 10 Undo the detergent box 11 Undo the inlet valve 12 Undo the pressure 13 Undo the pulley 14 Undo the upper counterweight 15 Undo the absorber pin 16 Undo the filter 17 Undo the drain p...

Page 21: ...r and back cabinet Push back the top cover 15mm until it leaves away from the control panel and then take it down 3 Undo the control panel Departing the top cover means as above Draw out the detergent...

Page 22: ...ard direction Take out the door lock and draw out the plug pay attention to of the position the plug so as connect not to a wrong circuit next time 6 Undo the front plate Undo the door lock methods as...

Page 23: ...Undo the gasket Undo the top cover control panel lower cover machine door and the front plate methods as followed Remove the outer gasket clamp between the door seal and the front plate Loosen the in...

Page 24: ...lowed Release the hose clamp and pull out the inlet hose Release the hose clamp and pull out the detergent box hose and then take out the detergent box 11 the inlet valve Undo Remove the top cover met...

Page 25: ...switch interface Rotate the pressure switch anticlockwise by 90 and then pull out the pressure switch 13 Undo the pulley Undo the back cover methods as followed Rotate the pulley and at the same time...

Page 26: ...filter cover Rotate the filter knob anticlockwise and then pull out the filter 17 Undo the drain pump Undo the top cover control panel lower cover and front plate methods as followed Nip out clamp bet...

Page 27: ...ircuit next time Release the screw fixing the heater Take out the heater 19 Undo the NTC temperature sensor Undo the top cover control panel lower cover and front plate methods as followed Undo the NT...

Page 28: ...t 22 Undo the drum tub assembly Remove the motor in 24 methods as followed Pull out the heater Remove the belt Remove the screws fixing the pulley and then take out the pulley 20 Undo the door glass O...

Page 29: ...own on the back and then pullout the motor wire and grounding wire Use spanner to remove the motor screw and lift up the motor with the other hand in case of falling to the drain pump After two screws...

Page 30: ...s better to eliminate the potential static by grounding the humans or touching the plugs 2 The rated voltage of the SCR in PCB is 220 240V so it s possible to be electrical shock Please take care whil...

Page 31: ...GD2 B9 AMP FAF 175057 1 B8 FAF 50016HS 2 AMP 927831 2 FAF 280232 0 B5 WS1 WS2 WS3 B1 E4 HRN AMP FAF 737439 2 FAF 280232 0 AMP FAF 737440 2 LBS DR250 2 PA 1 2 10 70 60 45 35 35 AMP 63688 1 FAF 280232 0...

Page 32: ...P 32 5 3 The electric critical part 1 Control board 2 Water Level Switch 5 CIRCUIT DIAGRAM 3 Door lock 4 Water valve...

Page 33: ...5 Pump 6 Heater 7 Motor P 33 5 CIRCUIT DIAGRAM...

Page 34: ...net_assembly 6 1 Explored view of Parts List 01 Pressure Switch 02 Chamber Pressure 03 Service Panel 04 Leg_Sub 05 Water_ Inlet_Pipe_Kit 06 The Bend Of Drain Hose 07 Transport Bolt Kit Rear_ Cover 09...

Page 35: ...ving_Pulley 16 Screw 17 Upper counterweight 18 Rear Tub 19 Tub_Seal 20 Drum Kit 21 Front_Tub 22 Inner Clamp 23 Gasket 24 Outer Gasket Clamp 25 Front_Right_Counterweight 26 Front_Left_Counterweight 27...

Page 36: ...CTS P 36 2 Overview of products 6 EXPLORED VIEW LIST OF PARTS 3 Control panel_assembly 36 Control Panel Sub 36 3 dalle 36 2 Control_Panel 36 1 PCB 36 4 Start_pause_spring 36 5 Button 36 6 Light_Transf...

Page 37: ...Overview of products P 37 2 Overview of products 6 EXPLORED VIEW LIST OF PARTS 4 Dispenser_assembly 39 Hose Clamp 40 Inleft Hose 41 Softener Cap 42 Detergent Box 43 Drawer Panel 44 Tub Water Inlet Hos...

Page 38: ...TS P 38 5 Door_assembly 45 Door Support Plate 46 Front Panel 47 Door Sub 47 1 Door Glass 47 2 Door_Plunger_Spring 47 3 Hook Pin 47 4 Door Plunger 47 5 Inner Ring 47 6 Door Handle 47 7 Outer_Frame 47 8...

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