Mitsubishi Electric MJ-E16SX-A1 Service Manual

ADVANCED AND EVER ADVANCINGMITSUBISHI ELECTRICDEHUMIDIFIER2005SERVICE MANUALMJ-E26VX-A1ModelSold from 2005CONTENTS1. PRODUCT SPECIFICATIONS...

10The dehumidifier does not have a cooler function.Due to heat produced during operation, the roomtemperature may rise 2-4°C As a result, the unit may

115.3 Coolant CircuitDehumidifyingDefrostingCoolant flowBlowFanHeat exchanger (heat radiation)φ5φ6.35φ5φ7.00CompressorHeat exchanger (cooling)Intakeφ9

126. MaintenanceDry well in the sun(The performance of the filter renews with soaking, and the photocatalytic effect of the sunlight removes remaining

3 Reattach the tank lid and replacethe water tank.Check the lid and guard are secure. Slide thetank in with both hands (you should hear abeep.)¡ Secur

14After switching the unit off, leave for one day untilany water inside has had time to run off, then carryout the following steps.1 Perform drying in

157. Wiring Diagram and Block Diagram7.1 Wiring Diagram(1) Current fuse ...Overcurrent flow caused by degraded electrical parts turns

167.2 Function ListCompressorBlowerSolenoid valveSwing louvrePowerLampsAir PurifierTank fullMildew guard eliteHumidity (set/current)Operation modeSwin

17<Operation Control>1 Specifications shared at all operation modesThe compressor and blower fan will operate for about 6 minutes after turning

185 Easy Dehumidifier1. Controls(a) Adjusts humidity according to room temperature for increased comfort.(b) CIRCULATION mode is activated when the te

196 Internal drying1. Controls(a) Prevents the growth of mildew by drying the moisture accumulated on the heat exchanger when the dehumidifier isOFF.(

21. Product SpecificationsAuto- dehumidification* The brackets [ ] enclose values measured at a room temperature of about 15°C or lower.26.04739Sing

207.3. Timing ChartsPower button Mode indicatorCompressorFanSolenoid valveFloat switchTank full indicatorHumidityTube temperatureHigh humidity warnin

21Power buttonMode indicatorCompressorFanSolenoid valveFloat switchTank full indicatorHumidityTube temperatureHigh humidity warningLow temp indicatorL

22Power buttonMode indicatorCompressorFanSolenoid valveFloat switchTank full indicatorHumidityTube temperatureHigh humidity warningLow temp indicatorL

23Power buttonMode indicatorCompressorFanSolenoid valveFloat switchTank full indicatorHumidityTube temperatureHigh humidity warningLow temp indicatorL

247.4 General Block Diagram

25

26Restore AC power supplyReplace fuseMechanical check• Correct defects.• Replace the switch ifdefective.Replace control boardNormalAbnormalONOFFNot bl

27Step 3NOYESNODoes the compressor operate?(NO if stalled)*The compressor does not operate for 3 minutes after turning the power ON or OFF. (See page

288.2 Key Component Check ProceduresComponent nameTesting procedureTub temperature sensing thermistorRoom temperature and humidity sensor boardCompres

29Error (failure)P10 connector out of positionRoom temperature thermistor blowoutCheck the P10 connection.Check the room temperature and humidity sens

32. Outer Dimensions3. Tips on DehumidifyingDrain the water tank before useRefrain from openingdoors/windows duringoperationDrying laundry indoorsUse

30LCD and LED all litCurrent humidityRoom temperature indicatorTube temperature indicatorCurrent fan rankDetermined frequencyFor current humidity (all

311. Remove the filter and the water tank2. Detach the rear panel3. Detach the front panel assembly<<Demounting the control board>>(See Pi

324. Removing the blower fan assemblyRepairable partsFloat switch, blower motor, and blower fanPicture 10SetscrewBlower fan assemblySetscrewBoard hold

33Drain pan assemblyHeat exchangerCompressorSetscrews (3)Base5. Removing the drain pan assembly6. Removing the compressor and the heat exchanger unitT

34EModel MJ-E26VX-A1 Exploded View <Casing and Structure>Parts Catalog513ACB461011151213214789Defbcda

35*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

36FBe careful not to overtighten.Model MJ-E26VX-A1 Exploded View <Casing and Structure>Parts CatalogGHJKIfebdca203036333435243727292122252826233

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

38Parts CatalogModel MJ-E26VX-A1 Exploded View <Electrical Parts>4BC763EF85211110914D1312A

39Model MJ-E26VX-A1 Parts List<Electrical Parts>1234567891011121314ABCDENewNewNewNewNewNewNewNewNew*1. If the part is out of production, you may

The water tank may contain waterresidue at time of purchase. This isfrom final product testing at thefactory and is not due to a defect.4. External Vi

401078965413 201914317 12 15A12112223182116Model MJ-E26VX-A1 Exploded View <Compressor Parts>Parts Catalog

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

4211. TroubleshootingSymptomCause/RemedyThe unit blows warm airWater does not collect inthe water tank (minimaldehumidifying results)The unit does not

43SymptomCause/Remedy¡ Check to see if the unit is on a slope or uneven surface.➝ Move to a sturdy even surface.¡ Check to see if the pre-filter is cl

44PrecautionsDo not start/stop the unit byplugging/unplugging the powercord.This may result in fire and/or electric shock.Do not use extension cords o

45CAUTIONDo not cover the front or side airintakes or the air outlet with cloth, curtain, etc.This results in poor ventilation and may cause heat gene

46CAUTIONAfter emptying the tank,transport the unit by graspingthe handle firmly.Losing your footing while carrying theunit may cause personal injury

Issued in 2005.12 Printed in Japan

5¡ LOW TEMP The unit operates continuously and automatically by controlling airflow according toroom temperature. The air flow is strongest below 15°C

6¡ AUTOThe unit maintains the humidity level byautomatically controlling airflow and operatingintermittently as necessary. All you have to do is setth

7¡ To dry the insideThe inside of the unit can be dried to suppress mildew growth on the cooler.On days the dehumidifier is used, internal drying (dry

To cancel the OFF timer<When you want to turn the unit off>Press the POWER button. (Power off)¡ The OFF Timer is cancelled.<When you want to

95. Technical points5.1 The technical points of the new products1) Internal dryingDuring dehumidification, moisture accumulates on the heat exchanger.