Daikin MC401VE Service Manual Download Page 28 | Manualshive

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SiE74-202

Troubleshooting

Troubleshooting

21

Troubleshooting

Check 5-volt power supply
(between X6A (1) and (2)).

Is voltage

higher than 5.0

VDC?

(Z0006)

Replace display PCB
(Display PCB assembly)

From previous page

Check connector connection of
A2P display PCB assembly.

Is connection

normal?

Replace control PCB A1P

(control PCB assembly).

Correct connector
connection.

YES

NO

YES

NO

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Summary of Contents for MC401VE

Page 1: ...SiE74 202 Air Cleaners MC401VE Service Manual MC401...

Page 2: ...to Clean the Front Panel 13 1 13 How to Clean the lonizer 14 1 14 How to Change the Ion Filter Roll 16 1 15 Optional Accessories 17 1 16 Specifications 17 Part 2 Troubleshooting 19 1 Troubleshooting...

Page 3: ...SiE74 202 ii Table of Contents 2 1 Parts Illustration 41 2 2 Parts List 42 Index i Drawings Flow Charts iii...

Page 4: ...he actual user can see it whenever necessary And in case of changing user be sure to hand it to the new user Warning Do not disassemble service or modify this equipment Unwarranted tempering can lead...

Page 5: ...m lighting TVs radios stereos and aerials This unit can disturb TV pictures and generate interference Illumination can weaken remote control signal reception sensitivity and discolor the casing Keep t...

Page 6: ...n can lead to leakage current and subsequently electric shock and or fire Hold the plug to unplug the power cord from the AC outlet Do not pull the cord to unplug Otherwise electrical shock can result...

Page 7: ...ution Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warni...

Page 8: ...iate use 6 1 5 CAUTION 7 1 6 Names and Functions of The Operating Section 8 1 7 Names and Functions of The Indicator Lamps 9 1 8 Setup 10 1 9 Installation 11 1 10 How to Operate the Unit 12 1 11 How t...

Page 9: ...Operating Manual SiE74 202 2 Operation Manual 1 Operating Manual OPERATING MANUAL MODEL MC401VE 1 2 4 PHOTOCATALYTIC MC401VE...

Page 10: ...explains how to use the equipment and important safety precautions READ IT CAREFULLY BEFORE using the equipment Keep this manual handy for future reference Your warranty is included in the product pa...

Page 11: ...Operating Manual SiE74 202 4 Operation Manual 1 1 Names and Functions of Parts 1 2 Indicator Lamps and their Functions...

Page 12: ...ng The inverter lamp illuminates a photocatalyst which inactivates bacteria and viruses by high oxidation thus minimizing the possibility of contamination It also decomposes components which generate...

Page 13: ...operating mode as needed Auto Fan speed is controlled automatically depending on air quality This mode ensures the most efficient operation Manual Fan speed Manual Fan speed The unit runs independent...

Page 14: ...N can lead to fire and or electric shock Do not disassemble service or modify this equipment Unwarranted tampering can lead to fire and or malfunction Do not wipe with benzene or thinner or spray with...

Page 15: ...tric shock and or fire Keep this manual in a handy place so that anyone operating the equipment can refer to it quickly and easily Ensure that anyone unfamiliar with the equipment reads this manual be...

Page 16: ...Lit while the inverter lamp is ON The lamp can be turned OFF from on the remote control See page 12 G Air Quality lamps These lamps indicate how clean dirty room air is Sharp fluctuations in temperatu...

Page 17: ...and lift upward and out 3 Fit the filter roll Face the ion filter roll case downwards as shown below and fit the filter roll in the cutouts for the filter spool Fit the holes on leading edge over the...

Page 18: ...unit weighs 6 9 kg Select a location that blows air across the entire room For installation tips see Tips for appropriate use page 6 How to Mount on Walls 1 Fit the power cable snugly in the cable res...

Page 19: ...etting changes as follows When the set time elapses the unit shuts OFF automatically The setting can be changed at any time even while the unit is running E To start stop the unit The first time is pr...

Page 20: ...the filter beyond usable limits 1 2 4 PH O T O CTAI YTI C AIR CLEANER MC4 01 VE 1 2 4 PHOTOCTAIYTIC AIR CLEANER MC40 1VE Front panel Front panel or 1 2 4 PHOTOCTAIYTIC AIR CLEANER M C 4 0 1 V E Prefi...

Page 21: ...Hold the ion filter roll case by the left and right side handles and lift upwards and out 4 Remove the prefilter See step 3 on page 13 5 Remove the ionizer Press the tabs as shown below until lifting...

Page 22: ...Ion filter roll case How to clean the ionizer Wipe the electrode plates and nearby plastic parts with a soft cloth moistened with water or a wet tissue Note When cleaning the ionizer always wear rubb...

Page 23: ...he front panel lightsup change the ion filter When the ion filter needs to be changed will depend on the conditions of use If the unit is used where air is dirty the ion filter will need changing more...

Page 24: ...n the unit See step 2 on page 10 7 Plug the power cable into its socket 8 Press the Reset button on the front panel Use a ball point pen or other pointed object Check the Change Ion Filter lamp goes o...

Page 25: ...Operating Manual SiE74 202 18 Operation Manual...

Page 26: ...rt 2 Troubleshooting 1 Troubleshooting 20 1 1 Equipment does not Operate 20 1 2 Indicator does not Change from Dirty to Clean 22 1 3 Remote Controller Fails to Operate Equipment 23 1 4 Photocatalytic...

Page 27: ...ly display PCB assembly Troubleshooting Check connector X8A X9A and X10A connection of A1P control PCB assembly Check door switch safety switch assembly Defective door switch safety switch assembly Co...

Page 28: ...ly between X6A 1 and 2 Is voltage higher than 5 0 VDC Z0006 Replace display PCB Display PCB assembly From previous page Check connector connection of A2P display PCB assembly Is connection normal Repl...

Page 29: ...or detects moisture in room air and equipment continues to operate at Low Normal or High Change installation location Unplug power cord reconnect then restart equipment Replace sensor Are X6A and X101...

Page 30: ...y PCB Troubleshooting Check location conditions Check batteries in remote controller Battery consumption Replace remote controller Replace display PCB Does problem remain after new batteries are insta...

Page 31: ...ess the door switch safety switch DS1 before checking voltage Check connector and harness connection Correct connection Replace control PCB A1P Replace control PCB A1P Check connector X4A and CN1 Repl...

Page 32: ...SiE74 202 Troubleshooting Troubleshooting 25 Power supply voltage check...

Page 33: ...Troubleshooting SiE74 202 26 Troubleshooting...

Page 34: ...rocedure 1 Removal Procedure of MC401VE 28 1 1 Removal of External Accessories 28 1 2 Removal of Ionizing Wire 30 1 3 Removal of Electrical Parts Inverter Lamp 31 1 4 Removal of PCB 34 1 5 Removal of...

Page 35: ...2 28 Removal Procedure 1 Removal Procedure of MC401VE 1 1 Removal of External Accessories Procedure Warning Be sure to turn off all power supplies before disassembling work Step Procedure Points 1 Ext...

Page 36: ...ure 29 3 Disengage hooks located at four corners of the filter to remove prefilter located at rear side of the front panel 4 Hold the ion filter roll case by the left and right side handles and lift u...

Page 37: ...Be sure to turn off all power supplies before disassembling work Step Procedure Points 1 Press the hook and lift the ionizing wire slightly upwards and pull it to remove 2 Install the ionizing wire a...

Page 38: ...emoval of Electrical Parts Inverter Lamp Procedure Warning Be sure to turn off all power supplies before disassembling work Step Procedure Points 1 Turn main body over then remove back panel 2 Disconn...

Page 39: ...Removal Procedure of MC401VE SiE74 202 32 Removal Procedure 3 Remove the photocatalyst filter retainer by unscrewing two screws 4 Remove the photocatalyst filter Step Procedure Points...

Page 40: ...SiE74 202 Removal Procedure of MC401VE Removal Procedure 33 5 Remove inverter lamps Step Procedure Points...

Page 41: ...rocedure 1 4 Removal of PCB Procedure Warning Be sure to turn off all power supplies before disassembling work Step Procedure Points 1 Unscrew two screws at the both side of the main body Disengage 6...

Page 42: ...SiE74 202 Removal Procedure of MC401VE Removal Procedure 35 3 Remove the control PCB by unscrewing three screws Step Procedure Points...

Page 43: ...supplies before disassembling work Step Procedure Points 1 Remove back panel to remove fan securing nut Caution When reassembling fan match the D cut direction of fan and shaft 2 Disconnect connector...

Page 44: ...dure of MC401VE Removal Procedure 37 1 6 Removal of Safety Switch Procedure Warning Be sure to turn off all power supplies before disassembling work Step Procedure Points 1 To remove safety switch pus...

Page 45: ...Removal Procedure of MC401VE SiE74 202 38 Removal Procedure...

Page 46: ...SiE74 202 Reference Data 39 Part 4 Reference Data 1 Wiring Diagram 40 1 1 MC401VE 40 2 Parts List 41 2 1 Parts Illustration 41 2 2 Parts List 42...

Page 47: ...Wiring Diagram SiE74 202 40 Reference Data 1 Wiring Diagram 1 1 MC401VE 3D027638...

Page 48: ...SiE74 202 Parts List Reference Data 41 2 Parts List 2 1 Parts Illustration MC401VE...

Page 49: ...NVERTER 3P058359 1 EH0011 1 A3P E13 1127287 WIRE HARNESS SAFETY SWITCH 4P041606 1 1 E13 1 B 0944357 SWITCH 4P008757 1 1 DS1 E15 A 0948809 HIGH VOLTAGE CONTACT ASS Y 4P010108 1 1 E15 1 1021257 HIGH VOL...

Page 50: ...f Parts 4 Names and Functions of The Indicator Lamps 9 Names and Functions of The Operating Section 8 O Operating Manual 2 Optional Accessories 17 P Parts Illustration 41 Parts List 42 Photocatalytic...

Page 51: ...SiE74 202 ii Index...

Page 52: ...ged iii Do not wipe with benzene or thinner or spray with insecticide v E Equipment does not Operate 20 H Hold the plug to unplug the power cord from the AC outlet Do not pull the cord to unplug v How...

Page 53: ...and improving the quality of the environment Daikin Europe N V is approved by LRQA for its Quality Management System in accordance with the ISO9001 standard ISO9001 pertains to quality assurance regar...

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