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Sharp KI-N50E-H Service Manual
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Sharp KI-N50E-H Service Manual

Sharp KI-N50E-H Service Manual

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SERVICE MANUAL
KI-N50E-H, KI-N40E-H
KI-N50L-W, KI-N40L-W/H
KI-N50P-W, KI-N40P-W
KI-N50V-W, KI-N40V-W/H
KI-N50TA-W, KI-N40TA-W/H:STCL
KI-N50Y-W,KI-N40Y-W/H
In the interests of user-safety (Required by safety regu-
lations in some countries) the set should be restored to
its original condition and only parts identical to those
specified should be used
This document has been published to be used for after sales service only.
The contents are subject to change without notice.
No.S0206KIN50EH/Z
Destination
:SSC
:SEM
:SPC
:SVN
:SEID

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Summary of Contents for Sharp KI-N50E-H

  • Page 1 SERVICE MANUAL No.S0206KIN50EH/Z Destination KI-N50E-H, KI-N40E-H :SSC KI-N50L-W, KI-N40L-W/H :SEM KI-N50P-W, KI-N40P-W :SPC KI-N50V-W, KI-N40V-W/H :SVN KI-N50TA-W, KI-N40TA-W/H:STCL KI-N50Y-W,KI-N40Y-W/H :SEID In the interests of user-safety (Required by safety regu- lations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used This document has been published to be used for after sales service only.
  • Page 2 Water Tank and Humidifying Tray, and be replaced by the manufacturer, its then hold the product by the handles on service agent, a Sharp authorized both sides. Service Center or similarly qualified • Do not drink the water in the Humidifying persons in order to avoid a hazard.
  • Page 3 the carrying handle. • Consult the dealer or a qualified radio or • Do not remove the Humidifying Filter from TV technician. the Filter Frame except replacing it. CAUTIONS CONCERNING • Avoid spilling water when removing or cleaning the Humidifying Tray. OPERATION •...
  • Page 4 The melting point of lead-free solder (Sn-Cu-Ni) is 45°C higher than lead solder, and thus it is recommended that you use a special soldering iron. If you do not know where to obtain lead -free solder and a suitable soldering iron, please contact your nearest SHARP service center or service branch. ■ SOLDERING WORK The melting point of lead -free solder (Sn-Cu-Ni) is approximately 225°C, 45°C higher than conventional solder, and wettability is...
  • Page 5 CHAPTER 1. PRODUCT SPECIFICATIONS [1] PRODUCT SPECIFICATIONS SPECIFICATIONS Model KI-N50 KI-N40 Power Supply 220-240 V ~ 50-60 Hz Fan Speed Adjustment Fan Speed (m / hour) CLEAN AIR Rated Power (W) Noise Level (dBA) * Fan Speed (m / hour) CLEAN AIR Rated Power (W) &...
  • Page 6 [2] APPLIANCE VIEW PART NAMES MAIN BODY Operation Panel / Display Air Outlet (Front) Main Body Caster (4 Locations) Caster Stopper (Right & Left) Unit* Holder (Plasmacluster Ion Generating Unit) Unit* Cleaning Brush Unit* Cover Tank Handle 10 Water Tank 11 Tank Cap 12 Humidifying Filter 13 Humidifying Tray...
  • Page 7 PART NAMES OPERATION PANEL KI-N50/40TA KI-N50/40Y CLEAN ANTI DUST SHOWER DISPLAY LIGHT SENSOR    Detection range of Light sensor When the Light Control is NOTE set to 〝Auto〞, Display and Cleanliness Indicator will Do not install the product automatically switch ON or in the following places.
  • Page 8 Power ON/OFF Button Indicates the Odor Sensor detects odors. SHARP COCORO AIR Button, Lamp Cloud Service Indicator (White) (White) Illuminates when air purifier is connected to Sharp's Mode Button, Lamps (White) cloud service. Humidify ON/OFF Button, Lamp (White) Plasmacluster Ion Indicator...
  • Page 9 PREPARATION Always be sure to remove the power plug from the wall outlet. FILTER INSTALLATION REFILLING THE WATER TANK 1. . Remove the Back Panel. 1. . Remove the Water Tank. Back Panel Tank Handle 2. . Remove the plastic bag from the Water Tank each filter.
  • Page 10 CHAPTER 2. PRODUCT OVERVIEW [1] GETTING THE MOST OUT OF THE AIR PURIFIER 1. HOW THE AIR PURIFIER WORKS The fan inside the air purifier draws air from the room into the unit through the air intake. The air passes through the filters inside the unit (Deodorizing filter and HEPA filter) and then is blown back out into the room through the air outlet.
  • Page 11 [2] POINTS TO KEEP IN MIND WHEN USING THE AIR PURIFIER 1. INSTALLATION Place the air purifier on a stable, level surface to reduce unit vibration and noise. – (The unit may vibrate if placed on a carpet or rug.) –...
  • Page 12 [3] ABOUT THE FUNCTION OPERATION HAZE MODE (except TA or Y model) Operates at HIGH fan speed for 60 minutes and then alternates between Low and High level for 20 minutes each. ♪ 10 minutes: Max High fan level 50 minutes: High fan level 20 minutes: Low fan level 20 minutes: High fan level NOTE...
  • Page 14 HOW TO CHANGE VARIOUS SETTING...
  • Page 15 Function Setting Turn off When set to “Turn off”, the “Dim” light illuminates for 8 seconds after operation starts and then the light turns off. The Humidify Indicator flashes darker only when the product needs water. The Unit Replacement Lamp flashes darker only when the Plasmacluster Ion Generating Unit need to be replaced.
  • Page 16 NOTE: This content is not described in the OPERATION MANUAL. １）Abstract The life of consumables displayed on "SHARP AIR APP" are reset with operation of APP. So, when you exchange consumables, you can reset the life of consumables by operation of main unit.
  • Page 17 (Unuesd) (Unuesd) (Unuesd) Correction of humidity sensor.-9% ～ +9% 2) Select Byte (To correct the humidity, select "003") with “SHARP COCORO AIR" or "Humidify ON/OFF” buttons. "SHARP COCORO AIR" button : "000"→"001"→"002"→"003"→"000"→・・・ ・ "Humidify ON/OFF" button : "000"→"003"→"002"→"001"→"000"→・・・ BIT settings are indicated in binary number in the operation parts.
  • Page 18 NOTE: This content is not described in the OPERATION MANUAL. １）Abstract The life of consumables displayed on "SHARP AIR APP" are memorized in main microcomputer. So, when you exchange PWB (CONTROL-K UNIT), you need take over the life of consumables.
  • Page 19 CHAPTER 3. EXPLANATION OF CIRCUITS [1] CIRCUIT SCHEMATIC FIC 2 MIC2 Float-K Unit Position-K Unit B01 PWB UNIT Stepper motor Plusmaclaster Dust sensor 25000 C N W F DUST Illuminance sensor Temperature sensor Master Humidity sensor microcomputer Control-K Unit Buzzer Gas sensor Power-K Unit Rotor...
  • Page 20 [2] TEST MODE Electric verification mode (1) The symbol explanation in the check list. △：don't care ●：ON Front side Output load ・・・・・ ・ ×：OFF Rear side ・ FM ・・・・・・・ Output of DC fan motor ・ HUM　・・・・・・ Output of humidity motor Close Close ・...
  • Page 21 Check code of model, Lamps. Push 「SHARP COCORO AIR(SW2)」button, sound buzzer (short time), go to STEP.2. ※ If cannot come STEP.2 with push 「SHARP COCORO AIR(SW2)」button at STEP.1(buzzer sound pi pi pi), PCB's problem. Indicator turns off : breakdown of Power clock.
  • Page 22 But when re-start from short time blackout, wait 15 seconds　（Gas sensor stable time), then check it. lamp is blinking. (Turns off until the dust sensor test is ready.) Illuminance sensor check. It confirm that "SHARP COCORO AIR" LED turns on when sensor detects "light", turns off when sensor detects "dark". Check of Float Switch.
  • Page 23 When 「Mode(SW3)」button is pushed each time, check the fan motor speed change (Low→Med→Max→Low→・・・) and 「Mode」lamp change. When 「SHARP COCORO AIR (SW２)」button is pushed, check the internal louver repeat movement of open and close. MAC address display. ※Guaranteed by Wireless module, it is excluded from inspection items, if you can check.
  • Page 24 [3] ERROR MODE Error mode is a self-diagnostic function that uses sensors to detect abnormal conditions and failures in the unit and circuits, and executes load operation and error displays based on what is detected. List of error mode [888] Error mode Operation How to cancel...
  • Page 25 3. Temperature sensor error　「C4」 (1) Overview Error mode that activates when a short-circuit or broken wire is detected in the circuit to detect temperature. Operation of all modes continues and the unit can be operated normally. (2) Detection time and conditions to occur During all modes when unit is running.
  • Page 26 (3) Load operation Plusmacluster unit output is stopped and plusmacluster ion sign is turned off. Operation is continued. Except for the ion on / off operation, the other operations can be performed as usual. (4) Error display “C8” indication flashes in [888] Lamp. (5) Button operation All buttons are effective as usual.
  • Page 27 CHAPTER 4. TROUBLESHOOTING GUIDE [1] TROUBLESHOOTING Trouble Possible cause and symptom Remedy The unit does not run. Wiring failure Check connector insertion; repair or replace When rotated by hand, the fan is very heavy (motor Replace motor and PWB ass'y. failure + blown board current fuse.
  • Page 28 Trouble Possible cause and symptom Remedy Abnormal noise is heard. Defective motor installation Repair Defective fan installation Repair or Replace Motor failure Replace Defective fan shape Replace Foreign object getting inside Remove foreign object Humidification motor ass'y failure Replace Defective Humidification motor ass'y installation Repair or Replace Humidification filter ass'y failure Repair or Replace...
  • Page 29 Not a failure Not a failure Problem Cause and symptom Remedy This sound is made when plasmacluster ions are generated. Advise people who are bothered by this sound to place the unit farther away. Unit sometimes makes a clicking sound. The intensity of the sound varies (sometimes it is Abnormal noise is heard.
  • Page 30 TROUBLESHOOTING Before calling for service, please review the Troubleshooting list below, since the problem may not be the product malfunction. Odor and smoke persists. Filter Maintenance Lamp is on. • Check the filters. If they appear to be extremely • Whenever after performing maintenance or dirty, clean or replace them.
  • Page 31 ERROR DISPLAY • Make sure that the Humidifying Filter, Humidifying Tray and Roller are properly installed, and then turn the power to ON again. • Make sure the Plasmacluster Ion Generating Unit inserted properly . Pull out the Plasmacluster Ion Generating Unit and insert it to the end again, and then carry out the operation again.
  • Page 32 [1] POINTS TO NOTE WHEN REPLACING PARTS 1.HOW TO REMOVE THE BACK PANEL 1) ①Pull down the hooks on the top, and then pull the BACK PANEL forward. ② Remove the BACK PANEL while lifting up to remove the lower hooks (2 places). BACK PANEL 2.HOW TO REMOVE THE WATER TANK ASS'Y AND TANK CAP ASS'Y １) Push the TANK HANDLE and remove the WATER TANK ASS'Y.
  • Page 33 3.HOW TO REMOVE THE HUMID TRAY ASS'Y １) Pull out the HUMID TRAY ASS'Y from the main unit and remove the TRAY SEPARATOR ASS'Y and the HUMID FILTER ASS'Y. HUMID FILTER ASS'Y TRAY SEPARATOR CUSHION HUMID TRAY Cautions for assembly When replacing the TRAY SEPARATOR, paste the CUSHON to it.
  • Page 34 ３) Exchange of the MAGNET. Release 2 hooks and remove the MAGNET. The white side of the MAGNET is on the front side. hooks (2 places) White side ４) Disassemble the HUMID TRAY ASS'Y. ①Lift the ROTARY SHAFT and remove it. ROTARY SHAFT...
  • Page 35 ②Push the axis of the FLOAT ASS'Y to the inside and remove it. HUMID TRAY FLOAT ASS'Y 4. 4.HOW TO REMOVE TH PLASMACLUSTER UNIT 1) Remove the UNIT COVER. UNIT COVER 2) Remove the UNIT HOLDER. UNIT HOLDER 3) Remove the PLASMACLUSTER UNIT. ①Open the hook of the UNIT HOLDER to the outside.
  • Page 36 5.HOW TO DISASSEMBLY THE BACK CABINET ASS'Y. 1)After removing 9 screws and releasing 2 upper hooks, remove the BACK CABINET ASS'Y. hooks hooks BACK CABINET (back side) screws screws BACK CABINET How to release the hooks Sliding your hand inward between the TOP and BACK CABINET enables you to release the hooks without breaking the hooks.
  • Page 37 Release 4 hooks by pulling the OUTLET DUCT. hooks 6. HOW TO DISASSEMBLY THE TOP CABINET ASS'Y 1) Release each connector. 2) Release 5 back hooks (after the middle 3, the left and right 2). 3) Release 3 front hooks and remove the TOP CABINET ASS'Y. screws TOP CABINET ASS'Y hooks...
  • Page 38 Cautions for assembly Hang the harness to a hook except for the far left. hooks 7.HOW TO REMOVE FRONT CABINET ASS'Y 1) Remove 5 screws. screws screws 2) Remove FRONT CABINET ASS'Y. Pull the FRONT CABINET diagonally up while pulling the top of the FRONT CABINET. FRONT CABINET FRONT CABINET （back side）...
  • Page 39 8．HOW TO REMOVE THE SIDE PANEL 1) Release a hook and remove the SIDE PANEL (both L and R). hook hook SIDE PANEL R SIDE PANEL L 9. HOW TO REMOVE THE N50EC PS UNIT 1) After removing a screw and releasing a hook, remove the PWB UPPER BOX K. hook screw 2) Unplug the each connector.
  • Page 40 10.HOW TO REMOVE THE TOP CABINET ASS'Y 1) Remove two screws and the TOP CABINET. screws TOP CABINET Cautions for assembly When installing the OPERATION ASS'Y, be careful not to peel off the CUSHION. When replacing the OPERATION COVER, paste the DAMPER CUSHION to it. Press the OPERATION ASS'Y a little while entering DAMPER CUSHION 2) Remove 3 screws.
  • Page 41 11.HOW TO REMOVE THE OPERATION ASS'Y 1) Peel off the KEY SHEET and remove 2 screws. KEY SHEET SHADING CUSHION OPERATION PANEL screws Check that the SHADING CUSHION is in the groove of the OPERATION PANEL. If the SHADING CUSHION is on the back of the KEY SHEET, Move it to the groove of the OPERATION PANEL. ①...
  • Page 42 front hooks 3) Remove the PWB ANGLE from the OPERATION PANEL. OPERATION PANEL PWB ANGLE LED SHEET Cautions for assembly Note that the PWB ANGLE is different in shape between the propper model and the original model.
  • Page 43 12.HOW TO DISASSEMBLY THE BOTTOM PLATE ASS'Y. 1) Remove 4 screws and the BOTTOM PLATE ASS'Y. screws screw BOTTOM PLATE ASS'Y 2) Remove the POWER CORD. POWER CORD...
  • Page 44 Cautions for assembly When attaching the POWER CORD, clip the bushing cecurely in the slit and crip the cord in the boss. slit boss 3) Remove the TAPPING SCREW and the CASTER STOPPER L/R. POWER CORD ASS'Y TAPPING SCREW CASTER STOPPER L CASTER STOPPER R Cautions for assembly ・When replacing the CASTER STOPPER, grease on the tip of it.
  • Page 45 13.HOW TO DISASSEMBLY THE INLET GUARD K 1) Remove 4 screws and the INLET GUARD K. screws INLET GUARD K 2) Remove 3 screws and the HUMID MOTOR ASS'Y. screws HUMID MOTOR ASS'Y 3) Disassembly the HUMID MOTOR ASS'Y. ①Remove 2 screws and the HUMID MOTOR ASS'Y. screws HUMID MOTOR BASE ②Remove the BOUSIN GUM, the MOTOR GEAR, the TAPPING SCREW and the ROLLER GEAR.
  • Page 46 14.HOW TO REMOVE EACH PART AND PWB FROM THE BASE CABINET ASS'Y. 1) Remove the Wi-Fi adapter, FLOAT PWB HOLDER, the LX75 FLOAT-K UNIT and the LX75 POSITION-K UNIT. Wi-Fi adapter FLOAT PWB HOLDER REPLACE Wi-Fi ADAPTER The S-B01 WF PWB UNIT contains a screw Wi-Fi adapter for service.
  • Page 47 15.HOW TO DISASSEMBLY THE BASE CABINET ASS'Y. 1) Dissasembly the UNIT GUIDE ASS'Y. ①Remove 2 screws and the UNIT GUIDE ASS'Y. screws ②Remove a screw and the 7P PC HARNESS. UNIT GUIDE ASS'Y 7P PC HARNESS screw 2) Remove 6 screws and the CASING ASS'Y. CASING ASS'Y BASE CABINET screws...
  • Page 48 16. HOW TO DISASSEMBLY THE JOINT ASS'Y 1) Remove the JOINT ASS'Y from the CASING ASS'Y. ①After removing 2 screws and releasing 2 hooks, remove the JOINT ASS'Y. hooks JOINT ASS'Y screws CASING ASS'Y ②Remove 2 screws, the STEPPING MOTOR 20T20 and the MOTOR BUSHING. STEPPING MOTOR 20T20 MOTOR BUSHING...
  • Page 49 17.HOW TO DISASSEMBLY THE CASING ASS'Y. 1) Remove the NUT and the FAN. WASHER 2) Remove 4 screws, the MOTOR ANGLE and the MOTOR. screws CASING ASS'Y MOTOR ANGLE MOTER...
  • Page 50 Cautions for assembly Attach FUSE CUSHION and fix TEMP. FUSE ASS'Y on MOTOR ANGLE. ①Attach the cushions. ②Attach the TEMP.FUSE ASS'Y. TEMP. FUSE ASS'Y Hang it on a hook. Fit it in the between Install the the ribs. unit so that the marking of TEMP.
  • Page 51 [2] WIRING OF COMPONENTS 1) Wiring of CONTROL UNIT HOLE IC HARNESS DAMPER HARNESS POWER HARNESS DUST HARNESS 7P PC HARNESS WIFI HARNESS back side POWER HARNESS DAMPER HARNESS DUST HARNESS HOLE IC HARNESS WIFI HARNESS 7P PC HARNESS Hang it on a hook. (7P PC HARNESS) Hang it on a hook.
  • Page 52 ①Wiring of DUST HARNESS DUST SENSOR DUST HARNESS DUST HARNESS Take the harness out of the notch. Hang it on a hook. Pass between the pins...
  • Page 53 ②W iring of 7P PC HARNESS, WIFI HARNESS, DAMPER HARNESS, HOLE IC HARNESS and POWER HARNESS PWB LOWER BOX K Fix the ferrite core to the hook with the WIRE FIXING BAND. Pass HOLE IC HARNESS between the pins. Secure with filament tape. LX75 FLOAT-K UNIT Hang it on a hook.
  • Page 54 Apply the filament tape just below the white tape and so that the white tape matches the height of the protrusion of the CASING. WIFI HARNESS CAUTION Wi-Fi The WIFI HARNESS should be ADAPTER threaded through the back of the MOTOR HARNESS and not in contact with it.
  • Page 55 2) Wiring of N50EC PS UNIT PWB LOWER BOX K POWER HARNESS POWER CORD MOTOR HARNESS Hang it on a hook. (POWER HARNESS) TEMP. FUSE ASS'Y Hang it on a hook. Hang it on a hook. HUMID MOTOR HARNESS (TEMP. FUSE ASS'Y) (POWER CORD ) (MOTOR HARNESS) (HUMID MOTOR HARNESS)
  • Page 56 ②Wiring of HUMID MOTOR's HARNESS Pass through a hole to the right side front side. Pass through a hole. HUMID MOTOR's HARNESS Pass through a slit. Pass through a hook. ③Wiring of POWER CORD Fit it in the gap between the ribs.

  • Page 57: Table Of Contents

    CHAPTER 6. Wi-Fi CONNECT GUIDE CONTENTS SAFETY PRECAUTIONS ..............57 PART NAMES / SPECIFICATIONS ..........58 FLOW OF INITIAL SETTINGS ............59 HOW TO CHANGE VARIOUS SETTINGS ........61 ..............61 Wi-Fi adapter ON/OFF ......62 Wi-Fi connection with a router (with the WPS Button) ............62 Initialization of Wi-Fi function ............62 Confirmation of MAC address...

  • Page 58: Safety Precautions

    SAFETY PRECAUTIONS WARNING CAUTION FOR Wi-Fi LAN Caution for usage about electrical wave In case of remote operation from outside, you may not be able to check air purifier current • In case of the usage at the following place, condition or the area around it and the situation the operation cannot be guaranteed : Near concerning anyone possibly staying there, so...

  • Page 59: Part Names / Specifications

    PART NAMES / SPECIFICATIONS OPERATION PANEL KI-N50/40TA KI-N50/40Y CLEAN ANTI DUST SHOWER DISPLAY...

  • Page 60: Flow Of Initial Settings

    FLOW OF INITIAL SETTINGS...

  • Page 62: How To Change Various Settings

    HOW TO CHANGE VARIOUS SETTINGS...

  • Page 65: Initialization Of Wi-Fi Function

    TROUBLESHOOTING Please check the following details, before enquiring or requesting for repairs. Problem Items to check Wi-Fi connection of the • Check the specifications of the router in use. air purifier and the router • Adjust the router and antenna direction, move the router and antenna closer, and cannot be performed.
  • Page 66 CHAPTER 7. FAULT DIAGNOSIS OF Wi-Fi FUNCTION 　The problems of Wi-Fi function can be analyzed by status of Wi-Fi Lamp. In the case Wi-Fi Lamp is blinking or turned off, analyze according to Table.1. CLOUD SERVICE Indicator Other problems, for example, fault which appears in the process of Wi-Fi configuration, analyze according to Table.2.
  • Page 67 *“AE”: communication error between Wi-Fi adapter and air purifier *“bE”: communication error between Wi-Fi adapter and Wi-Fi router *“CE”: communication error between Wi-Fi adapter and SHARP cloud Server (e.x. Internet connection trouble, Server down) nalyze according to the flow diagram “Wi-Fi Lamp is Wi-Fi Lamp is turned off blinking or turned off”.
  • Page 68 Table.2 Wi-Fi configuration fault, or others Case Solutions Fault in connection Refer flow diagram “Fault in connection with Wi-Fi router”. with Wi-Fi router Fault in Link configuration Refer flow diagram “Fault in Link configuration between smartphone and between smartphone and air purifier”...
  • Page 69 1. In the case fault in connection with Wi-Fi router. Fault in connection with Wi-Fi router. Is router corresponding to Prepare tahe router corresponding to "IEEE802.11.b/g/n" ? "IEEE802.11.b/g/n", and do connection setting again. Prepare the router for which push botton connection Is router corresponding to is possible, and do connection setting again.
  • Page 70 2. In the case fault in Link configuration with smartphone. Fault in Link configuration between Are smartphone and air Connect to the same router, and do Link configration purifier connected to the same again. router ? Prepare the smartphone or the tablet that satisfy the Does the smartphone(the tablet) conditions described in "Required environment", and satisfy the conditions described in...
  • Page 71 3. In the case Wi-Fi Lamp is blinking or turned off Wi-Fi Lamp is blinking or turned off Did you do Wi-Fi Wi-Fi Lamp is turned off. connection with the router ? Do Wi-Fi connection with the router. Check the power ON / OFF status of Wi-Fi Do ON in the power of adapter with Wi-Fi...

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