Mitsubishi Electric MJ-E16VX-A1 Service Manual

CONTENTS1. PRODUCT SPECIFICATIONS... 22. OUTER DIMENSIONS ...

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)φ5φ6.35φ5φ6.35CompressorHeat exchanger (cooling)Intakeφ6

12MaintenanceDo not use detergents, cleaning agents for heat exchange equipment, abrasive powders, chemically treated dusters,gasoline, benzene, thinn

13Replacing the Air Purifying FilterThe air purifying filter is disposable.Make sure to replace the filter when it becomes dirty.(The filter cannot be

147.2 Function ListBlowerIndicatorOperation offOff timerAir purifierDefrostLaundryLow tempOne item is LowEasyDehumidifyingLow tempEasy dehumidifyingLa

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

164 Drying inside1. Controls(a) Prevents the growth of mildew by drying the moisture accumulated on the heat exchanger when the dehumidifier isOFF.(b)

17Operation modeOFFSHLO60%Tank full/ Power OFFHiMi Power ONMode buttonONAUTOONONOFFOperation switchEasydehumidifyingEasydehumidifyingONOFFCompressorON

18Off timerDefrost count startONOFFTimer buttonONOFFCompressorONOFFSolenoid valveTube temperatureDefrostONOFFBlower fan40 min.ONOFFOperation switchAft

19Cleaning inside switch ONONOFFCleaning inside lampONOFFCompressorONOFFSolenoid valveTube temperatureCleaning inside (manual)ONOFFBlower fanONOFFOp

21. Product specificationsEasy Dehumidifying* The brackets [ ] enclose values measured at a room temperature of about 15°C or lower.16.04137Single p

207.4 General Block Diagram

21

22Restore AC power supplyReplace fuseMechanical check• Correct defects.• Replace the switch ifdefective.Replace control boardNormalAbnormalONOFFNot bl

23Step 3NOYESNODoes the compressor operate?(NO if stalled)*The compressor does not operate for 3 minutes after turning the power ON or OFF. (See page

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

258.4 Self-Test Program and Execution Procedure(1) Deactivating 3-minute restart prevent lock●Start: Press the MODE and AUTO buttons together 3 times

26Even if the metal fins on the inside of the unit become bent, this does not affect performance.2. Removing the front panel, and air filter assemb

27[To remove the control board]Step 1) Pull the front casing/switch operation part toward the outside, release the catch (protrusion) on the switch bu

285. To remove the fan assembly[To remove the fan motor]Step 1) Remove the fan locknut and fan.(Pic. 15)Step 2) Remove the tape securing the fan motor

2910. Continuous Water DrainageIf a drain is available, the unit can continuously drain excess water by attaching a commercially available hose(intern

32. Outer Dimensions3. External View, Parts and Display SectionDrain the water tank before useRefrain from openingdoors/windows duringoperationDrying

30Model MJ-E16V-S1 Exploded View<Casing and Structure>51ACB15413161718142 36101112987201921magnifing picture22Parts Catalog

31*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

32Model MJ-E16V-S1 Exploded View<Casing and Structure>34252628303133322729353637Parts Catalog

33*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

34Model MJ-E16V-S1 Exploded View<Electrical Parts>3BC54216D9 87AEParts Catalog

35M22 C45 440P M22 B31 311 M22 B25 500M22 C44 260M22 C44 300 —M22 C44 502M22 B13 511M22 C29 395 M22 B30 792 — — —

36Model MJ-E16V-S1 Exploded View<Compressor Parts>10722208965412 18 19123A11131415171621backParts Catalog

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

3811. Troubleshooting¡ For the symptoms listed below, refer to the remedies listed right.Symptom Cause/RemedyThe unit blows warm airWater does not col

39Symptom Cause/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 c

44. Names and Functions of PartsFrontBackPower plugSensorDo not cover.Side air intakes (left/right)Do not block.Control panelAir purifying filterAlrea

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

41CAUTIONDo not use combustion appliancesin the path of the air outlet.This may cause incomplete combustion in the appliance.Do not use the unit in pl

42CAUTIONPrecautions (cont.)Warning● Keep the unit always in an upright position.Inclining the unit may cause water in the tankto leak into the unit,

43Packaging diagram

Issued in 2005.07 Printed in Japan

5All modes include dehumidifierand air purifier functions.Air purifier only operation.The dehumidifier function isdisabled.You can select from 5 opera

6Modes¡AUTOThe unit operates intermittently controlling theairflow to remove the damp feeling in the air.(There is no need to set the humidity level.)

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

8[OFF Timer Operation]The OFF timer can be set for each 2, 4, 8 hours.Set the timer when the power is switched on.[Removing Water from the Tank]The un

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