Mitsubishi Electric MJ-E15BX-A1 Manuel de service

2010DEHUMIDIFIERSERVICE MANUALModel MJ-E15BX-S1-ITMITSUBISHI ELECTRICADVANCED AND EVER ADVANCINGNo.MJW-10010Sold from 2010CONTENTS1. Product specifi c

102. Low Operation① Control Summary(a) Dehumidifying operates continuously regardless of the humidity.(b) The constant compressor, cool air and warm

113. COOL AIR/VARY Operation① Control Summary(a) Dehumidifying operates continuously regardless of the humidity.(b) The constant compressor, cool ai

12DRYING INSIDE operation① Control Summary(a) Prevents the growth of mildew by drying the moisture accumulated on the heat exchanger when the dehumid

13Blower fan rankCool air (EVA)Fan rank Air Amount [m3/min] Rotation speed [rpm]1 0.9 7802 1.0 8503 1.0 8904 1.1 9805 1.3 1,1006 1.3 1,1007 1.4 1,200

146. Timing ChartsOpenOperationONOFFMode lampsCompressorTank full lampSolenoid valveFloat switchCool air fanONOFFONOFFONOFFONOFFOFFLouvreSwing OFFSwin

15CloseOpenCloseOpenCloseCloseONOFFONOFFONOFFONOFFONOFFOFFONOFFONOFFONOFFONOFFON0˚C12˚CONOFFONOFFOpenStop at 90°Stop at 90°Stop at 90°OPENCLOSEDefrost

167. Circuit DiagramWARM AIR DAMPERCOOL AIR DAMPERLOUVRESOLENOIDVALVEWARMAIRFANCOOLAIRFANe01_mj_e15bx_S1-IT.indd 16 2010/06/10 17:30:04

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188. Technical pointsThe amount of dehumidifying becomes less in winter. When the temperature and humidity are low, the amount of water collected is d

199. Troubleshooting Procedure1) Troubleshooting fl owchartRestore AC power supplyReplace fuseMechanical check • Correct defects. • Replace the switc

21. Product specifi cations Mode ItemMJ-E15BX-S1-ITPerformanceDehumidifying capacity(30°C room temperature, 80% relative humidity) (liters/day)15.0Oper

20Step 3NOYESNODoes the compressor operate?(NO if stalled)*The compressor does not operate for 3 minutes after turning the power ON or OFF.Is there an

212) Key Component Check ProceduresComponent name Testing procedureTube temperature sensing thermistor P15Detach the connector and measure the resist

223) Error Indications and Corrective ActionsIndication (Timer display)Error (failure) Corrective actionE0P31, 32 connector out of positionRoom tempe

23(2) LED monitor display● Start Press the LAUNDRY switch and the DEHUMIDIFYING switch 4 times together when the power is off. Turn on the power wit

2410. TroubleshootingFor the symptoms listed below, refer to the remedies listed right.zAir passed through the re-heating coil is warm. zUnlike an air

25Symptom Cause/RemedyThe operating sound is loudSince the unit uses two fans and two motors in addition to the cool air function, the operating sound

2611. MaintenanceSilver Ion Filter, Air Intake, and SensorClogging with dust and the like reduces the effectiveness of the dehumidifying. Clean once e

27Silver Ion Filter (Soak in Water)Soaking the silver ion fi lter in water enables you to remove fi ne dust and odor from the silver ion fi lter. Remove

28Water tank · Main unitWipe with a soft cloth.Floating elementDo not remove or dismantle.The unit draws in dust present in the air, and this may caus

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39020556820520.5142.532. Outer Dimensions3. Names and Functions of PartsControl PanelCHILD LOCK lampLights while child lock is active.CHILD LOCK Switc

TankPic. 1Special screws Left caseLeft and right case setscrewsRight casesetscrewsRear casesetscrewsLeft case setscrewsCatchesFigure 1Filter coverPic.

Pic. 1Top case setscrewsTop case※Pic. 2Operation control boardOperation control board setscrewsPic. 3Stepping motor forlouvreStepping motor forlouvre

Pic. 1Fan assemblyCatch*1Pic. 2Fan coverFan cover setscrewsPic. 3NutCool air fanPic. 4NutWarm air fanPic. 5NutCool air motor holding plate setscrewsFl

<Compressor wiring diagram>Gray (C)Gray (R)Red (S)Gray (R)Pic. 1Drain panCatchHeat exchangerDrain EVASetscrewDrain EVASetscrewBase336. Removing

118120117116115113112106108111114123125 1241191091101071041031021011051211223413. Parts CatalogMJ-E15BX-S1-IT Model Structural Disassembly Diagram [Ca

35Model MJ-E15BX-S1-IT Parts List [Case and tank structural relationship]Notes:1. Circled reference numbers indicate performance parts.2. New parts

128GFDEHHBBCA12913213012713112636MJ-E15BX-S1-IT Model Structural Disassembly Diagram [Case and tank structural relationship]e01_mj_e15bx_S1-IT.indd

37∗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 numbe

AA21721620820921021120720520621220320220420121321423223022523622623322822422922921521522321922022122221822723123423538MJ-E15BX-S1-IT Model Structural

39∗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 numbe

4The water tank may contain water residue at time of purchase. This is from fi nal product testing at the factory and is not due to a defect.Front Back

ABCEFDHG40MJ-E15BX-S1-IT Model Structural Disassembly Diagram [Case and fan structural relationship]e01_mj_e15bx_S1-IT.indd 40 2010/06/10 17:30:34

41∗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 numbe

306307305304311303309310312314313315316302301308AB42MJ-E15BX-S1-IT Model Structural Disassembly Diagram [Drain pan components]e01_mj_e15bx_S1-IT.indd

43∗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 numbe

409425CD423424422411410408407401426406404405AB40241541242142241841741642041941441340342344MJ-E15BX-S1-IT Model Structural Disassembly Diagram [Heat ex

45∗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 numbe

4614. PrecautionsMeanings of the graphic symbols used in this manual and on the unit are explained below.PrecautionsPrecautionsForbiddenKeep away from

47Do not cover an air outlet or air intake with laundry, cloth, curtain, etc. This results in poor ventilation and may cause heat generation/fi re.Do n

48Install the unit in a location where the fl oor is fl at and stable. If the unit falls over, the water collected in the water tank may leak damaging s

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54. Wiring Diagram1) Wiring Diagram2) Board Diagram[Operation control board]Power/control boardOperation control boardPower plugP1P20 P21P100P101P6Sol

65. FunctionFunction ListOperation offOperation modeChild lockLaundry (High, Normal or Heavy)Dehumidifying (Low, High or Auto)Cool air (Low or Vary)W

7 Laundry Operation1. HIGH① Control Summary(a) Dehumidifying operates continuously regardless of the humidity.(b) The constant compressor, cool air

8② Startup conditions(a) When operation is on while LAUNDRY operations are selected(b) When LAUNDRY operations are selected by operating the LAUNDRY

9Dehumidifying operation1. Automatic OperationTemperatures20˚C22˚Cts27˚C29˚Cts34˚C36˚CtHumidity table 0 1 2 3Set humidity 60% 50% 60% 50% 60% 50%Dehum