Mitsubishi Electric MJ-E15BX-S1-IT Page 45 Service Manual Download

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∗

1. If the part is out of production, you may be required to use a common part.

∗

2. Parts found installed in products may have a different part number from service parts. However, there should be no

difference inperformance and can be installed.

Model MJ-E15BX-S1-IT Parts List

[Heat exchanger components]

Notes:
1.  Circled reference numbers indicate performance parts.
2.  New parts and the parts that are used only with these models lack compatibility.
3.  Those parts that are marked by

and

are of critical importance for sustaining safety and performance. Use

specifi ed parts at replacement.

4. When ordering parts without part numbers, use the design number. The order may take a while to process.

Part Name

Part No.

Safety

Part

Pc/1 unit Compatibility/Miscellaneous

401 S/COIL TAPE

∗

ASSY-EBX M22 C64 629 1

402 SOLENOIDO VALVE-R M22 C50 629 1

403 THERMISTOR-EVA

∗

180WX M22 C51 555 1

404 COOLER

∗

AX M22 B39 390C 1

405 COND

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AX M22 B39 390 1

406 CLIP - 1

407 TERMINA-CON-ASSY-DX2 M22 B51 320 1

408 PACKING M22 J16 923 1

409 COMPRESSOR

∗

XB460VTE M22 C57 118 1

LEAD WIRE-C/P

∗

E15BX

XB460VTE

410 M-PROTECTOR

∗

LYDP98X M22 C44 502 1

411 PIPE IN COOL

∗

AX -

LYDP98X

412 JOINT-100SX M22 B15 653 1

413 PIPE IN COND

∗

AX - 1

414 CHARGE PIPE

∗

BX - 1

415 PIPE DJ

∗

AX - 1

416 PIPE OUT SV2

∗

AX - 1

417 PIPE IN CT

∗

AX - 1

418 PIPE CT

∗

AX - 1

419 PIPE OUT COND

∗

BX - 1

420 PIPE OUT SV1

∗

DX - 1

421 PIPE OUT COOL

∗

AX - 1

422 PIPE DIS-ASSY

∗

DX M22 B51 420 1

423 PIPE SUC-ASSY

∗

DX M22 B51 420S 1

424 PIPE COVER

∗

COMP M22 B15 221 1

425 RUBBER-MOUNT M22 B13 511 3

426 BUSH-COMP

∗

DX M22 B51 368 1

A SCREW SEMS M4X0.7X6 - 1

B SCW-TPFZR 5X35M - 3

C SPL WASHER-R - 3

D SCW-MPBM M4X6 - 1

e01̲mj̲e15bx̲S1-IT.indd 45

2010/06/10 17:30:37

Summary of Contents for MJ-E15BX-S1-IT

Page 1: ...Wiring Diagram 5 1 Wiring Diagram 5 2 Board Diagram 5 5 Function 6 6 Timing Charts 14 7 Circuit Diagram 16 8 Technical points 18 9 Troubleshooting Procedure 19 1 Troubleshooting flowchart 19 2 Key Component Check Procedures 21 3 Error Indications and Corrective Actions 22 4 Self diagnostic test program 22 10 Troubleshooting 24 11 Maintenance 26 12 Disassembly and Reassembly Hints 30 13 Parts Catal...

Page 2: ...wer protection With temperature fuse Type Sirocco fan Output W Cool air motor 10 W Warm air motor 20 W Speed rpm AUT0 Cool air Warm air LOW Cool air Warm air LAUNDRY HIGH Cool air Warm air 980 1100 780 738 1200 1100 Flow rate m3 min 4 0 2 6 4 3 Operating room temperature reference C 1 35 C Defrosting method Hot gas type Humidity control Built in humidity sensor Tank full protection Lead switch aut...

Page 3: ...hen the drying inside operation is waiting to begin DRYING INSIDE switch Use this to switch the internal drying operation ON and OFF z z z z OFF TIMER lamps The lamp for the remaining time lights when the OFF timer is operating OFF TIMER Switch Use this to set the OFF timer operation time z z SWING LOUVRE lamps The lamp for the swing direction of the louvre lights SWING LOUVRE Switch Sets the swin...

Page 4: ...g and deodorizing filter The silver ion sterilizing and deodorizing filter is a filter consisting of fibres containing special deodorant and silver ion anti bacterial agent anti allergen anti virus and sterilization Cigarette smoke and toxins found in smoke such as carbon monoxide cannot be removed with this filter Installing your dehumidifier Make sure to leave some space around the unit Operatin...

Page 5: ...on control board Power plug P1 P20 P21 P100 P101 P6 Solenoid valve P32 T H P31 HUM S P7 P8 P9 P11 Stepping motor P10 P12 P15 P2 Compressor P3 Run capacitor Tube temperature thermistor Floating element SW Cool air damper Warm air motor Cool air motor Board in connector Warm air damper Power control board ...

Page 6: ...ON ON OFF OFF Solenoid valve OFF OFF OFF OFF OFF OFF OFF ON Swing louvre Closed U U U U U Upward OFF OFF Damper Fully closed Dehumidifying Cool air Warm air Dehumidifying LED indicator Laundry Dehumidifying Spot Air Warm air DEO DRY Tank full Drying inside Defrost Current Humidity Indicator Swing Louvre U U U U U Switch Power Laundry Dehumidifying Spot Air DEO DRY Swing Louvre Off timer Drying ins...

Page 7: ... Average humidity 70 80 Rank6 Rank6 Rank6 Rank5 Dehumidifying Rank6 Rank6 Rank6 Rank5 Dehumidifying 60 69 Rank6 Rank6 Rank6 Rank5 Dehumidifying Rank6 Rank6 Rank6 Rank5 Dehumidifying 30 59 Rank6 Rank6 Rank6 Rank5 Dehumidifying Rank4 Rank4 Rank4 Rank5 Warm air z HEAVY Operating time From operation start to 30 minutes After 30 minutes or more Fan temperature table 0 1 2 3 Damper position 0 1 2 3 Damp...

Page 8: ...the E2 PROM data modification range of integers form 1 to 12 where 12 is the default b Stopping condition 2 is applied in the following situations After starting LAUNDRY operations when humidity does not reach 50 or less after X hours have elapsed When B Y X hours under stopping condition 1 The time count during tank full detection is as follows a Before detecting 50 or less for stopping condition...

Page 9: ...ng on and off at the 3 minute restart for the coloured section in the table above 51 to 59 d When the room temperature is 29 C or more temperature rising or 27 C or more temperature decreasing the circulator operates when the humidity is below 50 e When the humidity rises above 60 during circulator operation dehumidifying begins again when the dehumidifier is set to operate at 50 and circulator op...

Page 10: ...eration mode COOL AIR LOW COOL AIR VARY or WARM AIR d When the DEO DRY switch is pressed it switches to the DEO DRY mode operation SPOT AIR 1 Condensation prevention operation Control Summary a Dehumidifying operates continuously regardless of the humidity b The constant compressor cool air and warm air fans operate continuously c Perform warm air operation by placing the damper position in warm a...

Page 11: ...eration ON Rank control Rank control OFF Operation mode Cool Air Warm air Startup conditions a When operation is on while DEO DRY mode operation is selected b When DEO DRY mode operation is selected by operating the DEO DRY switch c When the DEO DRY switch is pressed during clothes deodorization DEO DRY mode operation is restarted from the following step 1 Operating Contents a Clothes equipment op...

Page 12: ...louvre is positioned upwards at 90 Step 2 Moisture on the heat exchanger is dried with air Step 3 Moisture on the heat exchanger is dried with heat Step 4 The heat exchanger is cooled if the temperature rises too high Step 5 Internal humidity remaining in Step 4 is discharged After completion the louvre moves to the closed position c Step 3 is not performed when detecting a tube temperature that a...

Page 13: ... air COND Fan rank Air Amount m3 min Rotation speed rpm 1 1 8 738 2 1 9 780 3 2 4 940 4 2 9 1 100 5 3 0 1 150 6 2 9 1 100 7 2 6 1 000 8 2 6 1 000 The amount of air and the rotation speed values are standards The values change depending on differences in the motor and the filter etc Damper position Dehumidifying After blow stop Cool air Warm air Damper Warm air Cool air ...

Page 14: ...trol ON OFF Max 3minutes Operation starts Operation mode switching Operation stops Power ON Dehumidifying SW Laundry SW Laundry SW Dehumidifying SW Laundry SW Spot Air SW Spot Air SW Spot Air SW Deo dry SW Deodorizing clothes operation ends After blow ends Dehumidifying low Dehumidifying high Auto High Normal Heavy Cool air low Cool air vary Warm air Deo dry 60 minutes elapsed Drying inside lamp D...

Page 15: ...Power ON Drying inside ON Power OFF Stop defrosting operation Tank full detection Drying inside 60 minutes elapsed ON OFF control Rank control Rank control ON OFF control 120 seconds 120 seconds 120 seconds 40 minutes elapsed 3 seconds Depending on the mode Fully closed Each mode Dehumidifying position Fully closed position Mode lamps Compressor Tank full lamp Solenoid valve Float switch Cool air ...

Page 16: ...16 7 Circuit Diagram WARM AIR DAMPER COOL AIR DAMPER LOUVRE SOLENOID VALVE WARM AIR FAN COOL AIR FAN ...

Page 17: ...17 ...

Page 18: ...the re heating coil is heated and blown out from an air outlet The air outlet varies depending on the operating mode The humidity of the room is thus reduced by repeating steps and Warm air Cool air Cool air Warm air Cooling coil Air in room Air in room Compressor Re heating coil Water tank Tips on Drying Laundry How to Hang Clothes Fully extend the clothes to remove any wrinkles Leave space betwe...

Page 19: ... connector check With the power plug removed from the receptacle remove and insert each connector two to three times to improve its contact Then insert the power plug into the receptacle to make an operation check Make sure that the flat cable and the connectors are inserted straight Check operation Step 1 Step 2 Dehumidifier doesn t operate at all Does the fan operate Check the FAN CON FAN EVA Ch...

Page 20: ... current normal Is the filter blocked Is the operating environment low humidity or low temperature Clean filter Dehumidification may not be possible in low humidity and low temperature environments See page 18 Is dehumidification taking place Water drops are being collected Recheck Steps 3 to 5 No problem If an error is displayed check Error Indications and Corrective Actions on page 22 Troublesho...

Page 21: ...1 pins 3 and 4 Abnormal Open or shorted Compressor With the connector detached measure the resistance across the terminals using a multimeter winding temperature 10 C to 30 C Normal Abnormal C R side 25Ω 27Ω Open or shorted C S side 67Ω 74Ω Fan motor 2 Warm air motor Cool air motor Measure the resistance between terminals using a multimeter winding temperature 10 C to 30 C Normal Abnormal Cool air...

Page 22: ...l board A6 Watch dog error Main control board replacement Replace the main control board P4 Compressor malfunction Check blowing performance Check the tube temperature thermistor Check the compressor operating noise 4 Self diagnostic test program 1 Deactivating 3 minute restart prevention lock Start Press the LAUNDRY switch and the DEHUMIDIFYING switch 3 times together when the power is off Turn o...

Page 23: ... 8 7 6 3 0 LED all lit Determined frequency Current warm air fan rank Current cool air fan rank Display example 0 1 2 3 4 5 6 7 8 Display item Current humidity Room temperature indicator Tube temperature indicator Current cool air fan rank Current warm air fan rank Determined frequency LED all lit Display section example 48 28 12 00 00 02 02 50 88 Actual number 48 28 C 12 C Rank 2 Rank 2 50Hz 88 N...

Page 24: ...he position of the water tank z Check to see if the unit is in defrosting mode The unit activates defrosting mode when the room temperature drops below 15 C The dehumidifier and blower functions stop during defrosting z The unit does not operate No air comes out and the louvre does not swing The unit stops Stops after a short time Indicates Indicates Even if the POWER switch is turned off the blow...

Page 25: ...ermittently causing the sound to be heard occasionally The compressor does not activate after turning the unit off or for 3 minutes after plugging the unit into a power socket This is to protect the compressor from damage z The unit makes noises The operating noise is loud reverberates The operating sound suddenly increases in volume The wind sound changes in volume The unit produces a simmering s...

Page 26: ... if the metal fins inside the main unit are slightly bent Remove the silver ion filter from the filter cover and then clean the filter 2 Silver ion filter Filter cover Clean the air intake and sensor 3 Remove any dirt with a vacuum cleaner Sensor Air intake Do not use a nozzle with a brush This may damage the filter Set the silver ion filter into the filter cover 4 Make sure the silver ion filter ...

Page 27: ...or hot water Also do not use a brush or the like to scrub the filter or rub the filter while soaking This may damage the filter Dry the silver ion filter well 4 Once Every Three Months Dry the filter on a even surface in the shade Preparation Press the POWER switch to turn off the power wait until the blower fan stops rotating approximately 2 minutes before unplugging the power cord Any yellow or ...

Page 28: ...ing the tank attach the tank guard and then set the tank in the unit z z z Cleaning Maintenance cont Replacement Parts The silver ion filter becomes depleted over time Replace it when necessary Although the silver ion filter lasts roughly 2 years replace it when You have soaked the filter 8 times The silver ion filter has turned brown due to cigarette smoke or black with dust Filter life differs o...

Page 29: ...29 ...

Page 30: ...ws 2 left and right case setscrews right 2 left 1 and the rear case setscrews 2 3 Detach the catches 5 points on the right and left and remove the right and left cases 4 Pull the lower side of the rear case toward you and detach the catches on the upper side See Figure 1 See Pic 1 See Pic 2 See Pic 2 Step 1 Remove the water tank and the left and right cases following the steps in sections 1 and 2 ...

Page 31: ...ping motor for the louvre Step 1 Remove the stepping motor setscrews 2 and remove the stepping motor for the louvre Removing the power control board Step 1 Remove the water tank and the right case following the steps in sections 1 to 3 above 2 Detach the catches 5 points on the cover box and remove the cover box by 3 Remove each connector P1 P2 P5 P6 P7 P8 P10 P11 P12 P15 P16 and P17 from the powe...

Page 32: ...ally push down the blower fan assembly using the catch on the drain EVA Removing the cool air motor Step 1 Remove the fan cover setscrews 5 and remove the fan cover 2 Remove the cool air fan locknut the plate fan and the cool air fan 3 Remove the cool air motor holding plate and the setscrews 4 4 Remove the cool air motor Repairable parts Blower fan Blower motor Float switch Heat exchanger radiato...

Page 33: ...s and the blower fan assembly following the steps in sections 1 to 5 above 2 Remove the drain EVA setscrews 2 3 Detach the catches right left and center 1 point each on the drain pan and the drain EVA and remove the drain EVA while lifting the heat exchanger from the main unit 4 Detach the catches 4 points in the drain pan from the base and remove the drain pan while lifting the heat exchanger fro...

Page 34: ...120 117 116 115 113 112 106 108 111 114 123 125 124 119 109 110 107 104 103 102 101 105 121 122 34 13 Parts Catalog MJ E15BX S1 IT Model Structural Disassembly Diagram Case and tank structural relationship ...

Page 35: ...9 330 1 107 LID TANK S AX M22 B39 330S 1 108 HANDLE TANK AX M22 B39 180T 1 109 CASE F ASSY BX M22 B43 310F 1 110 COVER LEG CX T M22 B46 320C 1 111 PANEL L CX M22 B46 440L 1 112 PANEL R CX M22 B46 440R 1 113 ESC PL E15BX A1 M22 C67 468 1 114 CASE R ASSY H100CX M22 B46 310 1 115 NAME PLATE E15BX S1 M22 C72 450 1 New 116 FILTER MJPR 10AXFT M48 5C5 822 1 expendable item 117 COVER FILTER CX M22 B46 320...

Page 36: ...128 G F D E H H B B C A 129 132 130 127 131 126 36 MJ E15BX S1 IT Model Structural Disassembly Diagram Case and tank structural relationship ...

Page 37: ...of critical importance for sustaining safety and performance Use specified parts at replacement 4 When ordering parts without part numbers use the design number The order may take a while to process Part Name Part No Safety Part Pc 1 unit Compatibility Miscellaneous 126 HANDLE BX M22 B43 180 1 127 LEAD WIRE L PM 1 HBX 1 128 LEAD WIRE L PM 2 HBX 1 129 PACK SENSOR S X 2 M22 B15 223 1 130 PACK SENSOR...

Page 38: ... 211 207 205 206 212 203 202 204 201 213 214 232 230 225 236 226 233 228 224 229 229 215 215 223 219 220 221 222 218 227 231 234 235 38 MJ E15BX S1 IT Model Structural Disassembly Diagram Case and fan structural relationship ...

Page 39: ... SPACER RUB H602 M43 P06 506 1 206 WASHER H602 M43 P06 417 1 207 MOTOR EVA E15BX M22 C64 620E 1 208 HOLDING PLATE M WX R M22 C51 260 1 209 NUT LFZR M6 M22 C60 041 1 210 MOTOR CON E15BX M22 C64 620 1 211 HOLDING PLATE M NX R M22 C44 260 1 212 FAN CON ASSY AX M22 B39 119 1 213 DIVIDING PLATE 100BX M22 C69 359 1 214 CUSHION HEX T AX M22 B39 770T 2 215 PACK SENSOR S X 2 M22 B15 223 2 216 FRAME NET 100...

Page 40: ...A B C E F D H G 40 MJ E15BX S1 IT Model Structural Disassembly Diagram Case and fan structural relationship ...

Page 41: ...arts 2 New parts and the parts that are used only with these models lack compatibility 3 Those parts that are marked by and are of critical importance for sustaining safety and performance Use specified parts at replacement 4 When ordering parts without part numbers use the design number The order may take a while to process Part Name Part No Safety Part Pc 1 unit Compatibility Miscellaneous A SCW...

Page 42: ...306 307 305 304 311 303 309 310 312 314 313 315 316 302 301 308 A B 42 MJ E15BX S1 IT Model Structural Disassembly Diagram Drain pan components ...

Page 43: ...rts at replacement 4 When ordering parts without part numbers use the design number The order may take a while to process Part Name Part No Safety Part Pc 1 unit Compatibility Miscellaneous 301 CUSHION HEX U AX M22 B39 770 2 302 CUSHION HEX T AX M22 B39 770T 2 303 CUSHION HEX U AX M22 B39 770 2 304 PLUG CORD E15BX S1 M22 C69 509 1 305 BASE H100BX M22 B43 200 1 306 WHEEL P X M22 J90 908 4 307 SHAFT...

Page 44: ...409 425 C D 423 424 422 411 410 408 407 401 426 406 404 405 A B 402 415 412 421 422 418 417 416 420 419 414 413 403 423 44 MJ E15BX S1 IT Model Structural Disassembly Diagram Heat exchanger components ...

Page 45: ...No Safety Part Pc 1 unit Compatibility Miscellaneous 401 S COIL TAPE ASSY EBX M22 C64 629 1 402 SOLENOIDO VALVE R M22 C50 629 1 403 THERMISTOR EVA 180WX M22 C51 555 1 404 COOLER AX M22 B39 390C 1 405 COND AX M22 B39 390 1 406 CLIP 1 407 TERMINA CON ASSY DX2 M22 B51 320 1 408 PACKING M22 J16 923 1 409 COMPRESSOR XB460VTE M22 C57 118 1 LEAD WIRE C P E15BX 1 XB460VTE 410 M PROTECTOR LYDP98X M22 C44 5...

Page 46: ...an heaters etc The plastic parts may melt and cause fire Do not insert your fingers bar or things that burn easily such as paper into an air outlet or air intake Do not touch the swing louvre There is an internal heater and such actions may result in a fire electric shock burn or malfunction Also the internal fan rotates at high speeds and such action may result in an injury or malfunction Do not ...

Page 47: ...es laboratories or beauty salons Chemicals and solvents evaporated in the air may harm the unit and cause water in the tank to leak resulting in damage to property Do not use the unit for special purposes such as preservation of food art or scientific works This may negatively affect the quality of the items stored Do not point airflow from the unit directly at the body for a prolonged period of t...

Page 48: ...tates at high speeds and may cause injury Unplug the unit from the power source when not using the unit for an extended period of time Otherwise it may cause fire and or electric shock caused by an electric leak When draining water continuously or left unattended for long periods inspect the unit every two weeks Do not allow debris to clog the filter hose as this may cause overheating leakage When...

Page 49: ...Issued in 2010 06 ...

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