background image

CONTENTS

1. PRODUCT SPECIFICATIONS........................................................................................ 2
2. OUTER DIMENSIONS .................................................................................................... 3
3. EXTERNAL VIEW, PARTS AND DISPLAY SECTION................................................... 3
4. NAMES AND FUNCTIONS OF PARTS....................................................................... 4 ~ 10
5. TECHNICAL POINTS................................................................................................. 11 ~ 13
6. MAINTENANCE ......................................................................................................... 14 ~ 16
7. WIRING DIAGRAM AND BLOCK DIAGRAM

7.1 Wiring Diagram....................................................................................................... 17
7.2 Function List ....................................................................................................... 18 ~ 21
7.3 Timing Charts ..................................................................................................... 22 ~ 25
7.4 General Block Diagram ...................................................................................... 26 ~ 27

8. TROUBLESHOOTING PROCEDURE

8.1 Troubleshooting flowchart  ................................................................................. 28 ~ 29
8.2 Key Component Check Procedures ....................................................................... 30
8.3 Error Indications and Corrective Actions  ............................................................... 31
8.4 Self-Test program and Execution Procedure  .................................................... 31 ~ 32

9. DISASSEMBLY AND REASSEMBLY HINTS  .......................................................... 33 ~ 36

9.1 Disassembly Procedures ....................................................................................... 33

10. CONTINUOUS WATER DRAINAGE ............................................................................. 37
PARTS CATALOG  .......................................................................................................... 38 ~ 45
11. TROUBLESHOOTING ............................................................................................... 46 ~ 47
PRECAUTIONS ............................................................................................................... 48 ~ 50

ADVANCED AND EVER ADVANCING

MITSUBISHI ELECTRIC

DEHUMIDIFIER

2005

SERVICE MANUAL

MJ-E16VX-S1

Model

Sold from 2005

No.MJW-0501A

Summary of Contents for MJ-E16VX-S1

Page 1: ...iagram 26 27 8 TROUBLESHOOTING PROCEDURE 8 1 Troubleshooting flowchart 28 29 8 2 Key Component Check Procedures 30 8 3 Error Indications and Corrective Actions 31 8 4 Self Test program and Execution Procedure 31 32 9 DISASSEMBLY AND REASSEMBLY HINTS 33 36 9 1 Disassembly Procedures 33 10 CONTINUOUS WATER DRAINAGE 37 PARTS CATALOG 38 45 11 TROUBLESHOOTING 46 47 PRECAUTIONS 48 50 ADVANCED AND EVER A...

Page 2: ...mensions H W D mm Weight kg Coolant quantity g Evaporator Condenser Model 30 C room temperature 80 relative humidity liters day Laundry Low Performance Product performance Compressor Blower Electrical characteristics Operating noise levels dB Compressor protection Model Output W Winding resistance Ω 20 C Blower protection Type Output W Flow rate selection Speed rpm Flow rate m3 min Operating room ...

Page 3: ... vertical position Blowing air at the wall may cause staining Operating noise Place the unit on top of a mat This reduces vibration and noise It also prevents leaving depressions on carpets At least 50 cm At least 2 cm At least 20 cm At least 20 cm At least 20 cm Direct the louvres at the laundry Space laundry to improve airflow Drying times will vary depending on the nature of the laundry and the...

Page 4: ...enewing the air freshening properties As the filter s particle and air freshening properties are renewed by simply soaking and leaving it to dry in the sun the air purifier can be used continuously over a long time Cigarette smoke and toxins found in smoke such as carbon monoxide cannot be removed with this filter Diameter of pollen approx 10 100µm Front Air Intake Do not block Control panel Washa...

Page 5: ...s room and unit condition The indicator comes on if the room temperature drops below 15 C Activating Low Temp mode is recommended Low Temperature Indicator DEFROST Indicator High humidity warning The indicator flashes when the humidity in the room exceeds 75 Activating the dehumidifier is recommended when the indicator is flashing If the High humidity warning is not used remove the power plug from...

Page 6: ...urs Dehumidifies Dehumidifies Standby 24 hours Standby How is mildew Mildew is unable to produce new spores similar to plant seeds if dried as mycelia The Mildew Guard feature applies this principle However the growth suppressed spores themselves are resilient to dry conditions Identification of Aspergillus and Penicillium Research paper by Dr K Abe of the Environmental Biology Research Center Rep...

Page 7: ...on is disabled The air passes through the photocatalytic filter in all modes cleaning the air even if the air purifier lamp is not lit Cigarette smoke and toxins found in smoke such as carbon monoxide cannot be removed with this filter Information Information Press Press again 65 70 50 55 60 Swing louvre function how to read the swing monitor The louvre can be made to swing Select from the 4 possi...

Page 8: ...inside the unit may cause the humidity level of the room to rise The air leaving the unit may appear white depending on the humidity or temperature of the room The moisture expelled from inside the unit may smell due to odorants that were not caught by the filter dissolving in the water The photocatalytic filter is mainly for absorbing ammonia The OFF timer cannot be set during drying inside Infor...

Page 9: ...ights The unit beeps continuously Air flows stops louvre stops Swing monitor turns off Compressor turns off After removing the water and replacing the tank the Tank full light will go off and the unit will automatically return to operation mode When the Tank full light is lit no operation but ON OFF is possible Tank full light Lamp Indicator ...

Page 10: ...or 1 minute Timer Operation OFF timer operation The OFF timer can be set for 1 to 9 hours Set the timer when the power is switched on ON timer operation The ON timer can be set for 1 to 9 hours Set the timer when the power is switched off To set 1 Switch the power on 2 Select operating mode Select desired operating mode 3 Change the louvre swing direction Select the desired setting 4 Set the opera...

Page 11: ...t dehumidified A single high capacity unit is effective in dehumidifying and drying various locations throughout the home quickly moving from one point to the next 3 Room humidity and sensible temperature comfortably controlled The EASY DEHUMIDIFYING mode controls humidity according to room temperature If the room temperature rises during dehumidification use CIRCULATION mode 1 to lower the sensib...

Page 12: ...ing internal frost into the water tank The unit will resume automatically when the defrost operation completes This operation will be performed automatically when the room temperature is approximately 15 C or lower When humidity is high this will occur approximately once every 40 minutes for 5 10 minutes How does the dehumidifier work If you pour cold water into a cup the air around it becomes col...

Page 13: ...ected is decreased In winter because the temperature is lower than in summer the effects of the dehumidifier decrease dramatically as shown in the graph below Although less water collects in the tank this is not a malfunction Summer humidity Winter dampness If the temperature is low but the humidity is high due to snow or rain operating the unit in LOW TEMP mode will yield better results than in L...

Page 14: ...ery 2 weeks Once every two weeks Do not use detergents cleaning agents for heat exchange equipment abrasive powders chemically treated dusters gasoline benzene thinners or other solvents as they can damage the unit or the water tank which may result in leakage Stains may remain on the filter but should not affect performance The filter can be soaked for a total of eight times After that replace wi...

Page 15: ...e front door Do not remove or dismantle the floating element in the tank If it is removed the unit cannot detect when the tank is full and this could result in leakage Hold the tank this way Tank lid 3 Reattach the tank lid and replace the water tank Confirm that the lid is securely attached to the water tank and push the tank in Close the front door If the lid is not properly closed you may have ...

Page 16: ...lace the photocatalytic filter Replacing the Air Purifying Filter The air purifying filter is disposable Make sure to replace the filter when it becomes dirty Storage Photocatalytic filter for replacement Type MJPR 10TXFT Type code 5C5 815 For these items contact your nearest Mitsubishi Electric dealer Parts sold separately Replacing the photocatalytic filter Although the photocatalytic filter las...

Page 17: ...ture thermister senses temperature below about 0 C and shuts down the compressor 4 Thermal fuse When blower motor temperature exceeds 133 C due to blower locking or other malfunctions blower operation shuts down Safety Devices P1 P11 P20 P100 P2 P3 P5 P4 FM S C R CM P200 P10 P13 SV P201 P101 SM White White Orange Orange Red Red Thermistor Tube temperature sensing 1 C defrost 12 C end Sensors Humid...

Page 18: ...icator Switch Child lock Operation off Auto Mildew guard Low Temp Laundry Easy dehumidifying Tank full Air purifier Drying inside Defrost Off timer on On timer being set On timer counting Low Operation mode Dehumidifying operation Note Display lamp Operable Timer flashes when on Off stopped inoperable Operable only when swing on lit Operable only when swing on and blower fan rotates LCD lights at ...

Page 19: ...dew guard is reactivated by operating the air purifier button Air purifier ON OFF d Mildew guard is run for 24 hours 3 While mildew guard is operating the dehumidifier is deactivated under the following conditions a Current humidity below 35 detected followed by 2 hours of below 40 However the accumulated time is cleared if the current humidity breaches 41 for 3 consecutive minutes during the coun...

Page 20: ...pressor Fan rank Compressor 22 C 29 C 36 C Rank 3 Rank 1 ON ON Rank 3 Rank 1 Rank 3 Rank 2 ON ON Circulate To Dehumidifier mode To Dehumidifier mode Rank 4 Rank 0 Rank 0 Rank 5 To Circulate mode Rank 5 Rank 5 To Circulate mode Dehumidifier mode Circulate Dehumidifier mode Dehumidifier mode Dehumidifier mode Circulate set humidity 60 Dehumidifier mode set humidity 50 Circulate set humidity 60 Set h...

Page 21: ...ses too high Step 5 Internal humidity is discharged in Step 4 and the louvre moves to the closed position c Step 3 does not perform the tube temperature or room temperature check that accompanies a microprocessor reset and jumps directly to Step 5 d Mechanisms operated in the above steps are deemed E2 PROM data e Drying inside operation does not stop even if tank full is detected 4 Conditions for ...

Page 22: ...ation stop Lights when room temperature is below 14 C Power ON Mode button Mode button Mode button Humidity set Low Continuous Max 3 min Mildew guard Low temp Auto Humidity setting 60 Dehumidification stops ON OFF ON OFF ON OFF ON OFF ON OFF OFF 60 59 61 ON OFF ON OFF ON OFF ON OFF ON OFF ON 0 C 12 C ON OFF ON OFF ON OFF Stops at 90 Close Humidity set Dehumidification restarts Easy modes Easy mode...

Page 23: ...OFF ON OFF ON OFF ON 0 C 12 C ON OFF ON OFF ON OFF Defrosting Tank full detection High humidity warning Defrost count start Defrosting start Defrosting stop Tank full detected Tank empty detected Swing louvre button Power OFF Humidity increase Humidity decrease Flashes 3 sec standby 40 min elapsed Lights when room temperature is below 14 C Lights when room temperature is below 14 C Swing mode chan...

Page 24: ...Louvre indicator Buzzer Drying inside ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF 75 ON OFF ON OFF ON OFF ON OFF 0 C 12 C ON OFF ON OFF ON OFF ON OFF timer operation ON timer ON ON timer ON Power ON set to 2 hours 1 hour 2 hours 1 hour 2 hours OFF timer ON OFF timer ON Close Close Lights when room temperature is below 14 C Stops at 90 Indicates swing area only Indicates swing mode ...

Page 25: ...N OFF ON OFF ON OFF 0 C 45 C ON OFF ON OFF ON OFF Air purifier operation Drying inside operation Air purifier Air purifier Mildew guard elite drying inside Power OFF Automatic drying inside complete Manual drying inside start Manual drying inside override stop Close Close Close Close Stops at 90 Stops at 90 Dehumidifier mode 30 min 10 min Dehumidifier mode Air purifier Lights when room temperature...

Page 26: ...26 7 4 General Block Diagram ...

Page 27: ...27 ...

Page 28: ...g 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 A Does the fan operate Set mode to LOW Check connectors NO NO NO YES Are the resisto...

Page 29: ... temperature sensor should be at least 10 C lower than room temperature when normal Are the power consumption and 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 12 Is dehumidification taking place Water drops are being collected Recheck Step...

Page 30: ... Normal Abnormal Between P11 pins 8 0kΩ to 20 8kΩ Normal 47 to 51kΩ between P10 pins 3 and 4 Abnormal Open or shorted P11 Open or shorted Normal Abnormal Open or shorted Measure the resistance between terminals using a multimeter component temperature 10 C to 30 C Measure the resistance between terminals using a multimeter winding temperature 10 C to 30 C 2 6kΩ 2 9kΩ Open or shorted Normal Abnorma...

Page 31: ... Replace the main board Compressor Check blowing performance Check the tube temperature thermistor Check the compressor operating noise Indication Timer display E0 E1 E7 E8 A1 A2 A3 A6 P4 Frequency determination error During operation 8 3 Error Indications and Corrective Actions 8 4 Self Test Program and Execution Procedure 1 Deactivating 3 minute restart prevent lock Start Press the MODE and HUMI...

Page 32: ... The solenoid valves operate for approximately 3 seconds 4 Demo program Start With the power OFF hold down the MODE and SELECTION buttons and press the power button The demo program starts in 3 seconds Operations all buttons are disabled 1 Fan Fixed at rank 3 2 Compressor solenoid valve Stopped 3 LCD LED Lights in random sequence 4 Swing louvre Wide End Remove power plug 0 Latest error 7 Oldest er...

Page 33: ...Power board connectors P100 P101 Catch Water tank 3 Removing the front casing assembly Step 1 Remove the water tank and front panel following the steps for sections 1 and 2 above Step 2 Remove front casing set screws two 4x14 four 4x12 Pic 2 Step 3 Pull the front casing assembly toward you so that it is away from the main unit Pic 3 Step 4 Pull the power board box toward you detach the catches on ...

Page 34: ...front panel and front casing assembly following the steps for sections 1 to 3 above Step 2 Remove the rear casing setscrews 6 Pic 9 Step 3 Push the rear casing downward and pull outward to detach the catches on the bottom Lift the rear casing and raise the handle Detach the catches that prevent the handle from coming loose and remove the handle Pic 10 Step 4 Pull the top part of the rear casing ou...

Page 35: ...oard and rear casing following the steps for sections 1 to 4 above Step 2 Remove the condenser and connectors 9 from the power board Step 3 Remove the lead wires from both sides of the fan guide casing Step 4 Remove the power board box assembly Pic 13 Step 5 Detach the catches one on each side that interlock the fan assembly and the drain pan by leaning the top of the fan assembly toward the heat ...

Page 36: ... assembly rear panel and fan assembly following the steps for sections 1 to 5 above Step 2 Detach the catches interlocking the drain pan and the base and remove the base while lifting the right side of the heat exchanger Pics 18 19 Picture 18 Picture 19 Catches for interlocking the drain pan and base Heat exchanger Base ...

Page 37: ...he water will not drain Note Leave a minimum space of 20 cm behind the unit for attaching the hose Confirm that the hose does not show signs of deterioration such as cracks and clogging Inspect the hose every 2 weeks Insects or dirt blocking the hose may cause leakage resulting in malfunctions How to set up the drainage hose Correctly installed Incorrectly installed Necessary items Commercially av...

Page 38: ...38 Model MJ E16VX S1 Exploded View Casing and Structure 5 1 A C B 15 4 13 16 17 18 14 2 3 6 10 11 12 9 8 7 20 19 21 magnifing picture 22 Parts Catalog ...

Page 39: ...1 unit Safety Part M22 B15 738 M22 B25 741A M22 B15 697 M22 B25 379 M22 B25 233A M22 C44 440 M22 C40 450 M22 B15 184 M22 B19 781 M22 B25 001A M22 B25 100 M48 5C5 815 M22 B25 232 M22 B25 063 M22 B15 290 M22 C44 700 M22 C44 501 M22 B15 218 M22 B15 222 M22 B15 223 M22 B25 224 M22 B15 128 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 4 2 7 TANK S X COVER TANK C VX LID TANK S X FLOAT ASSY 100S X CASE F 1...

Page 40: ...40 Model MJ E16VX S1 Exploded View Casing and Structure 34 25 29 38 26 28 30 31 33 32 27 D 35 36 37 Parts Catalog ...

Page 41: ...r The order may take a while to process Part No Exploded View Matching No Part Name Compatibility Miscellaneous Pc 1 unit Safety Part M22 B15 788 M22 J67 923 M22 B15 219 M22 C44 113 M22 C44 620 M22 C01 353 M22 B19 130 M22 B25 081 M22 B25 114 M22 C22 512 M22 B25 045 M22 B15 036 M22 B24 994 M22 C46 450 M22 C44 791 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 STOPPER PLATE 100S X PACKING RUB CUSHION HEX T CASIN...

Page 42: ...42 Model MJ E16VX S1 Exploded View Electrical Parts 3 B C 5 4 2 1 6 D 9 8 7 A E Parts Catalog ...

Page 43: ... 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 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 importanc...

Page 44: ...44 Model MJ E16VX S1 Exploded View Compressor Parts 10 7 22 20 8 9 6 5 4 12 18 19 1 2 3 A 11 13 14 15 17 16 21 back Parts Catalog ...

Page 45: ...ke a while to process Part No Exploded View Matching No Part Name Compatibility Miscellaneous Pc 1 unit Safety Part M22 C44 629 M22 C50 629 M22 C44 555 M22 B19 630 M22 B31 620 M22 B15 018 M22 J16 923 M22 C13 820 M22 B15 653 M22 C29 645 M22 B15 221 M22 B15 650 E16SX A1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 S COIL TAPE ASSY EVX SOLENOIDO VALVE R TAPE THERMISTOR EVA W X COOLER 100T X CONDENSE...

Page 46: ... hour if the room temperature is about 5 C or less Check to see if the pre filter is clogged Clean according to the maintenance procedures Check to see if the unit is in EASY DEHUMIDIFYING MILDEW GUARD or AUTO The unit is automatically controlling the dehumidifier fan and standby times Check to see if the water tank is full Empty the water tank and return it to its original position Check to see i...

Page 47: ...dity level or during drying inside the compressor operates intermittently 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 The heat converter heats rapidly causing a brief odour This is not a malfunction The moisture expelled from inside t...

Page 48: ...t and cause fire Wipe dust off the power plug and insert the plug firmly If the plug is not fully inserted into the socket dust may gather on the connectors which may cause fire and or electric shock Use 220 240V AC power sockets Connecting to power sockets other than 220 240V AC may result in fire and or electric shock Remove water that has collected in the tank Accidentally drinking the water or...

Page 49: ...uld drop to freezing point Water inside the hose may freeze and prevent the water in the tank from flowing out The water may leak from the unit and damage surrounding objects Do not use the unit in places that may be subject to oil or flammable gas leakage Such a leak around the unit may cause combustion and fire Do not remove the Styrofoam from the floating element The floating element will not b...

Page 50: ... with caution in rooms where the walls furniture and art work are vulnerable to dry air as it may cause cracks and warping Switch the unit off and unplug from the power source when cleaning it When the unit is on the internal fan rotates 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 o...

Page 51: ...51 Packaging diagram ...

Page 52: ...Issued in 2005 07 Printed in Japan ...

Reviews: