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3. What to do per LED Blinking and Trip protection logic

(7) IPM Fault Trip and LED Blinking 7 times (IPM Fault)

→ Purpose : Protection Over-Current by failure IPM(IPM short)
→ Cause : IPM Short and failure
→ Logic : After the Comp. Off every 20 seconds restart Comp.

Blink Blink

Blink

OFF

LED

7 Blinks

Replace PCB

LED

7 Blinks

About 5min

Reset

Test Mode

1 Input

Summary of Contents for SKSCW181RP

Page 1: ...n modification copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the SIGNATURE KITCHEN SUITE entity from which you received this Service Manual The material covered by this prohibition includes without limitation any text graphics or logos in this Service Manual Copyright 2018 2019 SIGNATURE KITCHEN SUITE All rights reserved...

Page 2: ... DISPLAY 25 43 8 HOW TO DISASSEMBLE AND ASSEMBLE 1 Door 44 2 Knock on 45 46 3 Top Cover 47 4 Door Switch SDS PCB Temperature sensor 48 5 Machine Room Cover 49 6 Machine Room Cycle 50 53 7 Wi Fi 54 8 Power Cord 55 9 Main PCB 56 57 10 Control Panel 58 11 Shelf 59 12 Slide Rail 60 13 Holder Rail 61 14 Top Duct 62 15 Grille Fan 63 16 Multi Duct 64 17 Defrost Sensor 65 18 Barrier 66 9 SEALED SYSTEM REP...

Page 3: ...e read the following instructions before servicing your refrigerator 1 Unplug the powr before handing any electrical componets 2 Check the rated current voltage and capacity 3 Take caution not to get water near any electrical components 4 Use exact replacement parts 5 Remove any objects from the top prior to tilting the product ...

Page 4: ...EA Lower 2EA Temperature control Upper Room Micom Control Micom Control Middle Room Micom Control Lower Room Micom Control Micom Control Cycle Compressor driving method Linear Linear Evaporator Rollbond Type Rollbond Type Condenser Micro Channel Condenser Al Micro Channel Condenser Al Compressor Oil Mineral Freol Alpha 3G 3cst 120cc Mineral Freol Alpha 3G 3cst 120cc Type of refrigerant R 600a 42g ...

Page 5: ... BK WH BK BL WH W2 LED PWM LIGHT W3 LED PWM LIGHT SMART BUZZER H_SENSOR DOOR 1 SWITCH DOOR 2 SWITCH DOOR 3 SWITCH DAMPER HEATER H_SENSOR BK SB PK BL WH BL WH 1 1 2 3 3 5 7 9 11 13 15 17 19 21 A 5V GND A B 5V GND SIG B 23 25 27 29 31 33 4 2 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 OUTDOOR SENSOR RD GY WH BL BO WH RD BN BN STEPPING MOTOR DAMPER STEPPING MOTOR DAMPER A A B B KNOCK ON SENSOR 1 YL BK...

Page 6: ...NE LAMPE LED PWM W1 VENTILATEUR W2 VENTILATEUR W3 YL GY BO RD BL PK RD YL YL BL WH BN PR WH BK BN PR WH WH RD BL RD SB BK BO WH BO BL YL BK WH BK BL WH LAMPE LED PWM W2 LAMPE LED PWM W3 ALARME INTELLIGENTE CAPTEUR D HUMIDITÉ INTERRUPTEUR PORTE 1 INTERRUPTEUR PORTE 2 INTERRUPTEUR PORTE 3 CHAUFFAGE DU REGISTRE Capteur d humidité BK SB PK BL WH BL WH 1 1 2 3 3 5 7 9 11 13 15 17 19 21 A 5V GND A B 5V ...

Page 7: ...m Description SKSCW181RP SKSCW241RP Width Width A 17 1 2 445mm 23 3 4 603mm Depth Depth with 3 4 19mm Door panel B 24 3 4 629mm 24 3 4 629mm Depth with door No panel C 23 7 8 607mm 23 7 8 607mm Cabinet depth without Door D 22 558mm 22 558mm Door Open 90º E 21 7 8 556m 28 1 8 713mm Door Open 115º F 20 1 2 520mm 26 1 2 659mm Height Min G 83 1 2 2121mm 83 1 2 2121mm Max H 84 1 2 2146mm 84 1 2 2146mm ...

Page 8: ...Copyright 2018 2019 SIGNATURE KITCHEN SUITE All rights reserved Only training and service purposes Control Panel LED Interior Lighting Storage Rack Zone Divider LED Interior Lighting Parts MODEL SKSCW181RP ...

Page 9: ...9 SIGNATURE KITCHEN SUITE All rights reserved Only training and service purposes Control Panel LED Interior Lighting Storage Rack Zone Divider LED Interior Lighting Zone Divider LED Interior Lighting Parts MODEL SKSCW241RP ...

Page 10: ...11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 Upper Lower Set Temper ature 55 F 54 F 53 F 52 F 51 F 50 F 49 F 48 F 47 F 46 F 45 F 44 F 43 F 42 F 41 F 64 F 63 F 62 F 61 F 60 F 59 F 58 F 57 F 56 F NOTCH 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 Upper Middle Lower Set Temper ature 55 F 54 F 53 F 52 F 51 F 50 F 49 F 48 F 47 F 46 F 45 F 44 F 43 F 42 F 41 F 64 F 63 F 6...

Page 11: ...or Fahrenheit Humidity The FAN motor for humidity in the refrigerator will be activated or deactivated whenever pressing the button Light Inner LED turns on off whenever pressing the button Wi Fi The Wi Fi Icon is blinked when press and hold the button for 3 sec And then Wi Fi Connecting Wi Fi Icon turns on Wi Fi Disconnecting Wi Fi Icon turns off after 3 min Power The Power Icon always on If the ...

Page 12: ...oses 6 TROUBLE SHOOTING Open the PCBA Cover Check the LED blinking times Refer to the next chapter for LED blinking and actions If the Comp is normal the LED does not blink Open the PCBA Cover g times pter for LED blinking and actions If the Comp is normal the LED does not blink 1 COMP Bad Operation ...

Page 13: ...s Check C omp Check Comp Check Cycle leakage Cycle Cycle leakage Check Cycle leakage About 5min About 5min About 5min About 5min About 5min About 5min About 5min LED4 Blinks Replace PCB LED4 Blinks About 5min Reset Reset Reset Reset Reset Reset Reset Test Mode 1 Input Test Mode 1 Input Test Mode 1 Input Test Mode 1 Input Test Mode 1 Input Test Mode 1 Input Test Mode 1 Input Test Mode 1 Input PCBA ...

Page 14: ...What to do per LED Blinking and Trip protection logic 1 FCT0 Trip and LED Blinking 1 time FCT0 Fault Purpose To detect the compressor voltage and current sensing error Restart every 30 seconds after compressor off Blink Blink OFF OFF LED 1 Blinks Replace PCB LED 1 Blinks About 5min Reset Test Mode 1 Input ...

Page 15: ...the PCB Comp Capacitor Case 2 Do operate Comp intermittently Condenser Fan or Freezer Fan Error System Error like water clogging capillary clogging refrigerant leakage Logic After the Comp Off every 1 minute restart Comp Blink Blink Blink Blink OFF OFF Y Y Y Check the Protection Logic Check Stroke or LED Blinking 2 times Stroke Trip Do not operate Comp Y N Compressor is operate intermittently Chec...

Page 16: ...r Current by detecting connection error check Harness connection failure between PCB Comp Capacitor Comp insulation breakdown Logic After the Comp Off every 40 seconds restart Comp Blink Blink Blink Blink Blink Blink OFF OFF Y Y Check the Protection Logic Check No Connect or LED blinking 3 times No Connect Trip Do not operate Comp Y N Check Comp Replace Compressor N Reset No Connect Trip occur Rep...

Page 17: ... logic 4 Over Voltage Trip and LED Blinking 4 times Over Voltage Trip Purpose Protection the PCB by Over Voltage Cause Applying the Over Voltage to DC Link 450VDC or higher Logic Restart every 90 seconds after compressor off Blink Blink Blink Blink Blink Blink Blink Blink OFF OFF LED 4 Blinks Replace PCB LED 4 Blinks About 5min Reset Test Mode 1 Input ...

Page 18: ...ect locked piston Cause Oil shortage of the cylinder Cylinder or Piston damage clogging the discharge Comp internal debris Logic After the Comp Off every 2 min 30 seconds restart Comp Blink Blink Blink Blink Blink OFF Check the Protection Logic Check the L Piston or LED blinking 5 times Locked Piston Trip Do not operate Comp Recheck Reset Do not operate Comp N Y Replace Compressor Clogging the Cyc...

Page 19: ...re PCB failure IPM breakdown Oil shortage of the cylinder Cylinder or Piston damage clogging the discharge Comp internal debris Logic After the Comp Off every 6 minutes restart Comp Blink Blink Blink Blink Blink Blink OFF Check the Protection Logic Check the Current or LED blinking 6 times Current Trip Compressor is operate intermittently Y Check the Compressor failure Replace Compressor N Reset Y...

Page 20: ...nd Trip protection logic 7 IPM Fault Trip and LED Blinking 7 times IPM Fault Purpose Protection Over Current by failure IPM IPM short Cause IPM Short and failure Logic After the Comp Off every 20 seconds restart Comp Blink Blink Blink Blink Blink Blink Blink OFF LED 7 Blinks Replace PCB LED 7 Blinks About 5min Reset Test Mode 1 Input ...

Page 21: ...Trip and LED Blinking 8 times Communication Error Purpose Detection communication error with the Micom of the refrigerator control Cause Communication Error Logic Only LED blinking without the Comp Off Comp is operate command before communication error Blink Blink Blink Blink Blink Blink Blink Blink OFF LED 8 Blinks Replace PCB Reset LED 8 Blinks About 5min Test Mode 1 Input ...

Page 22: ...d service purposes 4 Check the PCB Output Check output voltage from PCB to Compressor To judge whether there is any issue with the PCB operation check the PCB output voltage Normal Voltage 80 V or higher output at COMMON POWER or COMMOM SAVE IPM Output check SAMPLE SAMPLE Multi Tester ...

Page 23: ...ssor Step 2 Check the Resistance point A Step 3 Check the Harness INF ohm Step 4 Check the Resistance point B Step 5 Check the Resistance point D Power off Check the Resistance point A Harness Connection OK A B Connection error Check the Resistance point B Check the Resistance point D Replace Compressor B D Connection error Check the Harness Y N N Y Y Y N N Check Comp terminal Harness failure Y N ...

Page 24: ...mmon Save Common Check the broken down insulation Comp Save Earth resistance measurement Sa Save Po Power Co Common Point A Point B Point D Multi Tester Multi Tester FMA102NAMA Co Sa Po The resistance can differ by few depending on the surrounding temperature or operating condition Mode Resistance Power 14 17 Save 20 23 Check insulation break down Multi Tester Multi Tester Earth ...

Page 25: ...Ed2 Ed3 Defrost Sensor Short or Open Circuit 3 Abnormal Ambient Sensor E rt E rt Ambient Sensor Short or Open Circuit 4 Abnormal Wi Fi E Od E Od Communication Short or Open Circuit Display Wi Fi Module 5 Abnormal Internal Fan Motor EF1 EF2 EF1 EF2 EF3 There No Signal Of BLDC Fan Motor More Then 65 Seconds In Operation Of Fan Motor BLDC Motor Connection Drive IC Or TR Defect 6 Abnormal Condenser Fa...

Page 26: ...rved Only training and service purposes 7 TROUBLE SHOOTING WITH ERROR DISPLAY 7 2 PCB Picture Main PCB P N EBR867025 7 3 PCB Picture Display PCB P N EBR850083 EBR852442 EBR852442 EBR852443 CON202 CON200 CON4 CON2 CON1 CON5 CON6 CON7 CON8 CON10 CON201 18inch 24inch ...

Page 27: ...1 DEFROSTING SENSOR W2 SENSOR W2 DEFROSTING SENSOR W3 SENSOR W3 DEFROSTING SENSOR W1 LED LIGHT W2 LED LIGHT W3 LED LIGHT 7 4 Refrigerator Sensor Error S1 S2 S3 Symptom Check Point 1 S1 S2 S3 Option 1 Check for a loose connection 2 Check Sensor Resistance Resistance Ω CON202 S1 1 pin 3pin S2 9 pin 11pin S3 17 pin 19pin Short 0 Open OFF Other Normal CON202 S1 1 pin 3pin S2 9 pin 11pin S3 17 pin 19pi...

Page 28: ...or resistance Is resistance OFF Sensor open Change the Sensor Go to 6 Explain to customer Check the sensor connection Is the sensor connection normal Reconnect or repair the connector Reconnect or repair the connector Change the Sensor Replace the refrigerator CON202 S1 1 pin 3pin S2 9 pin 11pin S3 17 pin 19pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k Check...

Page 29: ...0 Open OFF Other Normal CON202 d1 5 pin 7pin d2 13 pin 15pin d3 21 pin 23pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON202 Defrost Controller WH WH BK BK RD RD BO BO BL BL SB GY RD WH BK YL PK BO BL BO BL 1 3 5 7 9 11 13 15 17 19 21 23 2 4 6 8 10 12 14 16 18 20 22 24 VCC GND VCC GND VCC GND COM A B B A 1 2 5 6 3 4 3WAY 4WAY VALVE W1 SENSOR W1 DEFROSTING S...

Page 30: ...stance OFF Sensor open Change the Sensor Go to 7 Check the Sensor resistance Is resistance normal Explain to customer Reconnect or repair the connector CON202 1 CON7 CON202 d1 5 pin 7pin d2 13 pin 15pin d3 21 pin 23pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k Check the Temperature and resistance refer to the table No problem 5 2 3 4 6 Check the sensor conne...

Page 31: ...ON7 F1 3 pin 5 pin F2 4 pin 6 pin F3 20 pin 22 pin 11 4 12 6V TEST MODE 1 Voltage V CON7 F1 3 pin 7 pin F2 4 pin 8 pin F3 20 pin 24 pin Not 0V 5V CON7 1 3 5 7 2 4 6 8 9 11 13 15 17 19 21 23 25 26 10 12 14 16 18 20 22 24 W1 FAN MACHINE ROOM FAN HYGIENE LED LIGHT HYGIENE FAN MOTOR W1 LED PWM LIGHT W2 FAN W3 FAN YL GY BO RD BL PK RD YL YL BL WH BN PR WH BK BN PR WH WH RD BL RD SB BK BO WH BO BL YL BK...

Page 32: ... 5V Reset the unit and Input Test1 Mode Push the button 1 time Go to 3 Change the Fan motor Replace Main PCB Replace Main PCB 2 3 4 5 1 Open the Wine door and Check for air flow Check the Fan motor Rotate fan using hand It feel sticky Yes TEST MODE 2 Voltage V CON7 F1 3 pin 5 pin F2 4 pin 6 pin F3 20 pin 22 pin 11 4 12 6V TEST MODE 1 Voltage V CON7 F1 3 pin 7 pin F2 4 pin 8 pin F3 20 pin 24 pin No...

Page 33: ...CB Fan motor voltage TEST MODE 1 Voltage V CON7 19 pin 21 pin 11 4 12 6V CON7 19 pin 23 pin Not 0V 5V CON7 1 3 5 7 2 4 6 8 9 11 13 15 17 19 21 23 25 26 10 12 14 16 18 20 22 24 W1 FAN MACHINE ROOM FAN HYGIENE LED LIGHT HYGIENE FAN MOTOR W1 LED PWM LIGHT W2 FAN W3 FAN YL GY BO RD BL PK RD YL YL BL WH BN PR WH BK BN PR WH WH RD BL RD SB BK BO WH BO BL YL BK WH BK BL WH W2 LED PWM LIGHT W3 LED PWM LIG...

Page 34: ...e fan rotating Does fan rotate Check the Fan motor Rotate fan using hand It feel sticky Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V Reset the unit and Input Test1 Mode Push the button 1 time Go to 3 Change the Fan motor Replace Main PCB Change the motor 2 3 4 5 1 TEST MODE 1 Voltage V CON7 19 pin 21 pin 11 4 12 6V TEST MODE 1 Voltage V CON7 19 pin 23 pin Not 0V 5V Explain to custome...

Page 35: ...n 4 pin Not 0V 5V CON5 4 pin 6 pin Not 0V 5V CON5 4 pin 8 pin Not 0V 5V SMART BUZZER H_SENSOR DOOR 1 SWITCH DOOR 2 SWITCH DOOR 3 SWITCH DAMPER HEATER H_SENSOR BK SB PK BL WH BL WH 1 1 2 3 3 5 7 9 11 13 15 17 19 21 A 5V GND A B 5V GND SIG B 23 25 27 29 31 33 4 2 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 OUTDOOR SENSOR RD GY WH BL BO WH RD BN BN STEPPING MOTOR DAMPER STEPPING MOTOR DAMPER A A B B K...

Page 36: ... pin 3 pin voltage 0V or 5V Check the loose connection Check the voltage Is CON5 4 pin 6 pin voltage 0V or 5V Check the voltage Is CON5 4 pin 8 pin voltage 0V or 5V Change the Main PCB Change the Display Change the Main PCB Change the Display Change the Main PCB 2 3 4 5 6 1 Voltage V CON5 2 pin 4 pin 11 4 12 6V CON5 4 pin 10 pin 4 75 5 25V Voltage V CON101 2 pin 3 pin Not 0V 5V Voltage V CON5 4 pi...

Page 37: ...pin 4 pin Not 0V 5V CON103 3 pin 4 pin Not 0V 5V 2 1 CON102 CON103 4 4 3 3 2 1 SMART BUZZER H_SENSOR DOOR 1 SWITCH DOOR 2 SWITCH DOOR 3 SWITCH DAMPER HEATER H_SENSOR BK SB PK BL WH BL WH 1 1 2 3 3 5 7 9 11 13 15 17 19 21 A 5V GND A B 5V GND SIG B 23 25 27 29 31 33 4 2 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 OUTDOOR SENSOR RD GY WH BL BO WH RD BN BN STEPPING MOTOR DAMPER STEPPING MOTOR DAMPER A ...

Page 38: ...ltage 0V or 5V Check the loose connection Change the Display Change the Display Change the WiFi PCB 2 3 4 1 Voltage V CON103 1 pin 4 pin 4 75 5 25V Voltage V CON103 2nd pin 4th pin Not 0V 5V Voltage V CON103 3 pin 4 pin Not 0V 5V Check the loose connection Change the Display WiFi PCB Explain to customer 5 Check the voltage Is CON103 1 pin 4 pin Voltage 5V Check the voltage Is CON103 2 pin 4 pin vo...

Page 39: ...3 pin Resistance Ω 22ºF 30ºC 130k 13ºF 25ºC 102k 4ºF 20ºC 77k 13ºF 25ºC 60k 14ºF 10ºC 47k 23ºF 5ºC 37 5k 32ºF 0ºC 30k CON7 1 3 5 7 2 4 6 8 9 11 13 15 17 19 21 23 25 26 10 12 14 16 18 20 22 24 W1 FAN MACHINE ROOM FAN HYGIENE LED LIGHT HYGIENE FAN MOTOR W1 LED PWM LIGHT W2 FAN W3 FAN YL GY BO RD BL PK RD YL YL BL WH BN PR WH BK BN PR WH WH RD BL RD SB BK BO WH BO BL YL BK WH BK BL WH W2 LED PWM LIGH...

Page 40: ...an using hand It feel sticky Open the fresh food door and Check for air flow Check the sensor resistance CON7 5 pin 7 pin 13 pin 15 pin 21 pin 23 pin Resistance Ω 22ºF 30ºC 130k 13ºF 25ºC 102k 4ºF 20ºC 77k 13ºF 25ºC 60k 14ºF 10ºC 47k 23ºF 5ºC 37 5k 32ºF 0ºC 30k Check the F Fan Motor Go to 5 Check the Compressor and sealed system Change the Fan motor 3 4 5 1 Reset the unit and Input Test1 Mode Push...

Page 41: ... Fan Motor voltage Is Fan Motor voltage 8 12V Check the Fan Motor voltage Is Fan Feed Back voltage 1 5V Replace Main PCB Change the motor 6 7 TEST MODE 1 Voltage V CON7 3 pin 5 pin 4 pin 6 pin 20 pin 22 pin 11 4 12 6V TEST MODE 1 Voltage V CON7 3 pin 7 pin 4 pin 8 pin 20 pin 24 pin Not 0V 5V Explain to customer 8 ...

Page 42: ...et is near the switch 0 PWM Control Voltage range CON7 Voltage V 9 pin 11 pin 5 7 12 6V 10 pin 12 pin 5 7 12 6V 14 pin 16 pin 5 7 12 6V PWM Control Voltage range LED Lamp Voltage V White Yellow Closed 0 2V Open 5 7 12 6V Door S W CON7 LED Lamp 1 3 5 7 2 4 6 8 9 11 13 15 17 19 21 23 25 26 10 12 14 16 18 20 22 24 W1 FAN MACHINE ROOM FAN HYGIENE LED LIGHT HYGIENE FAN MOTOR W1 LED PWM LIGHT W2 FAN W3 ...

Page 43: ...r S W Change the LED Lamp Change the LED Lamp Explain to customer Change the Door S W 3 2 6 4 1 5 Explain to customer 7 Resistance Ω Door S W No magent near the switch Infinity Magnet is near the switch 0 Voltage V CON7 All LED PART 5 7 12 6V Check the door S W resistance Is it correct compared with table CON7 PWM Control Voltage range Check the LED Lamp voltage Is voltage 5 7 12 6V LED Lamp Check...

Page 44: ... Only training and service purposes 8 HOW TO DISASSEMBLE AND ASSEMBLE 1 How to Disassemble Door 1 Release the spring on the hinge Loosen the screw from l to 0 18 24 Wine Right 1 2 2 Unscrew 1 and remove 2 the door 1 2 3 Remove the hinges 1 2 4 Assembly is reverse order ...

Page 45: ...E All rights reserved Only training and service purposes 2 How to Disassemble Knock on Sensor 1 Remove the screws and door panel 2 Remove 3 screws to pull out the Cover machinary room Wine Right Hinge 3 Remove the 2 screws to pull out the Cover PCB ...

Page 46: ...URE KITCHEN SUITE All rights reserved Only training and service purposes 4 Remove the 2 screws to detach the Link 5 Remove the 2 screws to detach the Holder Bracket 6 Detach the harness from the main PCB 7 Assembly is reverse order ...

Page 47: ...purposes 3 How to Disassemble Top Cover 1 Disassemble the Door 2 Remove 2 screws located at Top cover 3 Pull out the Top cover and separate 3 housings Bracket Rib Pull Pull Left side is fixed by this rib So the cover need to be pull to disassemble the rib from bracket 4 Assembly is reverse order ...

Page 48: ...erature sensor 1 First Reassemble the Top Cover With reference Top cover SVC 2 Pull out the Top cover and separate 3 housings Door switch Temperature sensor SDS PCB Door switch Temperature sensor No Humidity Sensor in Wine Model SDS PCB 3 Pull out the Top Cover and replace the defect part If the Door switch needs to be replaced you can replace the ...

Page 49: ...TE All rights reserved Only training and service purposes 5 How to remove the Cover Machinery Room 1 Open the door 2 Remove the 1 Screw located at under the Hinge 3 Remove 2 Screws located at opposite the hinge 4 Pull out the cover machinery room ...

Page 50: ...oded View page 3 4 1 Open the door and remove the Cover 2 Loosen the marked Screws 5 Points Recommend to use short tip 3 Remove 1 3Way valve 2 PCB Connector housing 4 Lift slightly up on condenser to separate 5 Rotate Condenser to the side and move it If SVC the Condenser Work in current state 6 Remove the Guide fan housing and take it out from the Refrigerator If SVC the Guide Fan Work in current...

Page 51: ...ng out the machine room be careful not to damage the Suction Joint Back of the Compressor 8 Pay attention to each position of the Compressor and perform sealed system repair Refer to Sealed System Repair Page 9 Assembly is reverse order Do not miss the Tube Assembly drain to be in position again If not it cause a risk of leaks in customer s furniture and floor GR 1137GPNM GR 3137GPNM Machine rooms...

Page 52: ...6 How to Sliding out Machinery room 3 4 Please refer to the below exploded view of the Cycle Parts GR 1137GPNM 18W GR 3137GPNM 24W Valve Assembly Pipe AJU74012401 Valve Assembly Pipe AJU75332501 Tube Assembly Drain 5251JA3004E Pipe Joint MGE64934801 Tube Assembly Drain 5251JA3004E Pipe Joint MGE64934802 ...

Page 53: ...w in Condenser Move to Condenser beside to disassemble Refer to Sliding out Machinery Room page 2 Motor DC Fan Assembly Disassemble the Guide fan Assembly from the Refrigerator Loosen the Screw Customized 4 points If Need to SVC Fan Assembly Just pull out the Fan and Change the part If Need to SVC Motor DC Loosen the Screw Tapping from Guide Fan and Change 3 Disassemble the Guide fan Assembly from...

Page 54: ...vice purposes 7 How to SVC the Wi Fi module 1 Open the door 2 Remove the Screws located at Cover front 3 Remove the Cover machinery room 4 Remove the WiFi module from the Cover front Remove the 1 Screw 5 Separate the WiFi module housing from the Main PCB housing 6 Assembly is reverse order ...

Page 55: ... reserved Only training and service purposes 8 How to SVC the Power Cord 1 Remove screws on Cover machinery Back 2 Remove the earth screw and power cord screw earth screw Power cord screw 3 Separate the Power Cord housing on the top 4 Assembly is reverse order ...

Page 56: ...ITCHEN SUITE All rights reserved Only training and service purposes 9 How to SVC the Main PCB 1 2 1 Open the door 2 Remove the Cover machinery and Cover front 3 Remove the earth screw that is located at the left side Main PCB earth screw ...

Page 57: ...reserved Only training and service purposes 9 How to SVC the Main PCB 2 2 4 Separate the Main PCB housing from the Supporter Housing that is located at bottom of Case Total 9 housings 5 Remove the 2 screws 6 Move Main PCB to the right and pull out the Main PCB ...

Page 58: ...isassemble Control Panel 1 Open the Door 3 Pull out the Top Duct 2 Remove 2 caps 24inch 3caps and screws located at Top Duct 4 Pull out the Control Panel and separate 2 housings 5 Assembly is reverse order If you have a problem to remove top duct screws by Guide Rail You need to remove the both rail on the top Cap ...

Page 59: ...KITCHEN SUITE All rights reserved Only training and service purposes 11 How to Disassemble Shelf 1 Pull the Shelf to the end 2 Raise up and pull the Shelf by this direction 3 Assembly is reverse order Raise it up Pull in this direction ...

Page 60: ...s reserved Only training and service purposes 12 How to Disassemble Slide Rail 1 Remove the Shelf 2 Remove 1 Screw 3 Pull Slide Rail to the end 4 Raise it up and pull Slide Rail by this direction 5 Assembly is reverse order Pull in this direction Raise it up ...

Page 61: ... Only training and service purposes 13 How to Disassemble Holder Rail 1 Remove the Shelf 2 Remove Slide Rail 3 Remove 2 Screw 4 Raise it up and pull Slide Rail by this direction 5 Remove 2 Screw completely 6 Assembly is reverse order Pull in this direction Raise it up ...

Page 62: ...nd service purposes 14 How to Disassemble Top Duct 1 Remove 3 Cap Covers 18inch 2 Cap Covers Location of Cap covers and Screws Location of Cap covers and Screws 2 Remove 3 or 2 Screws 3 Pull down the Top Duct and Separate the Housing and Remove the Top Duct 4 Assembly is reverse order ...

Page 63: ...emble Grille Fan 1 Remove Shelf 2 Remove Slide Rail and Holder Rail 3 Remove Control Panel and Top Duct When disassembling the Top Grille Fan 4 Remove 2 screws 5 Pull Upper side of the Grille Fan 6 Separate the Housing and Disassemble the Grille Fan 7 Assembly is reverse order Middle and Lower Grille Fan Top Grille Fan ...

Page 64: ...rposes 16 How to Disassemble Multi Duct 1 Remove Shelf 2 Remove Slide Rail and Holder Rail 3 Remove Control Panel and Top Duct When disassembling the Top Grille Fan 4 Remove Grille Fan 5 Remove 2 screws 6 Pull Upper side of the Multi Duct and Disassemble the Multi Duct 7 Assembly is reverse order ...

Page 65: ...helf 2 Remove Slide Rail and Holder Rail 3 Remove Control Panel and Top Duct When disassembling the Top Grille Fan 4 Remove Grille Fan and Multi Duct 5 Separate the Housing 6 Pull the sensor backward 7 Assembly is reverse order When assembling the sensor assemble the tip of the sensor to the edge of the white paint the edge of the white paint sensor ...

Page 66: ...ove Shelf 2 Remove Slide Rail and Holder Rail 3 Remove Control Panel and Top Duct When disassembling the Top Grille Fan 4 Remove Lower Grille Fan and Upper Multi Duct Based on the Barrier you want to disassemble 5 Remove 2 screws 6 Separate the Housing and Push 2 Rack 7 Pull Barrier and Disassemble the Barrier 8 Assembly is reverse order ...

Page 67: ...ant Non polar natural gas refrigerant CH CH3 3 Since R600a is same series as butane gas there is danger of fire when discharged into air at appropriate concentration extreme handling is required for sealed system repair of cycle Explosion concentration 1 8 8 4 Vol Burning temperature 494 C 9 1 4 Features of R600a Refrigerator With refrigerant quantity of 60 or so for the refrigerator using R134a a...

Page 68: ...r ventilation smooth use refrigerant return bag indoors Check that there are fire appliances or heating source around the working area and then remove them before work Since R600a refrigerant is very inflammable they should not be discharged indoors Be sure to follow sealed system repair SVC procedures during work 9 1 6 Sealed System Repair Work Tool R600a refrigerant Bombe Pinch Plier Hoses Refri...

Page 69: ...nd remove power between 6sec through 12sec after powering ON to open all both sides of 3way valve Leave doors of a refrigerator so that they are not closed Connect pinch pliers with a refrigerant discharging hose Place the outlet of a refrigerant discharging hose outside Remove fire appliances or heating sources near a refrigerant discharging hose Always use a refrigerant return bag for working at...

Page 70: ...refrigerant return hose outdoor Vacuum pump must operate outdoor Operate a vacuum pump in order to return refrigerant remained in the pipe Vacuum working time should be for more than 10 minutes 9 2 3 LokRing Repair Step Required equipment LokRing Tool Remove pinch pliers if remaining refrigerant return is completed Cut the front part of a process pipe with a cutter Check that remaining refrigerant...

Page 71: ...ipe to recharge R600a refrigerant after completing work and then connect a charging tube with LokRing Processing Charging Discharge Suction 9 2 5 Vacuum Air Removal Required equipment Vacuum pump Connect a vacuum pump to a charging tube to perform vacuum cycle Vacuum work should be performed for an hour If vacuum time is short normal cooling performance may not be exerted due to failure of cooling...

Page 72: ...ombe with a charging tube to charge refrigerant Turn on power of refrigerator to operate a compressor Measure Bombe weight after 5 through 10 minutes to check remained refrigerant quantity to complete charging of refrigerant After charging refrigerant never perform welding work or work using fire appliances 9 2 7 Leak Inspection and Cycle Check Required equipment Leakage checking machine foam and ...

Page 74: ...18 2019 SIGNATURE KITCHEN SUITE All rights reserved Only training and service purposes 10 EXPLODED VIEW 206A 206A 206A 206A 206A 206A 248A 202A 203A 214A 213A 282A 283A 236A 236B 214A 500D 201A 500E 202A 1 Door Part EV ...

Page 75: ...rights reserved Only training and service purposes 180E 181B 180F 192A 181D 180B 185A 190A 180D 302A 180A 610F 406G 500A 192A EV 2 Case Part Parts without a location number can be supplied as assembled unit SKSCW181RP 2 Evaporator SKSCW241RP 3 Evaporator ...

Page 76: ... SUITE All rights reserved Only training and service purposes 122D 121A 122E 122A 120A 181F 122B 120B 181F 125A 125A 610G 610H 610H 181E 181E EV 3 Perform Part Parts without a location number can be supplied as assembled unit Model SKSCW181RP ...

Page 77: ...served Only training and service purposes 3 Perform Part Parts without a location number can be supplied as assembled unit Model SKSCW241RP 122D 122D 121A 122E 122E 122A 120A 181F 181F 122B 122C 120C 120B 181F 181F 125A 125A 125A 610G 610H 610H 610H 181E 181E EV ...

Page 78: ... SIGNATURE KITCHEN SUITE All rights reserved Only training and service purposes 4 Movable Part Parts without a location number can be supplied as assembled unit Model SKSCW181RP 147B 134A 144A 147A 144B 144A 144B 147A 134A EV ...

Page 79: ...GNATURE KITCHEN SUITE All rights reserved Only training and service purposes 4 Movable Part Parts without a location number can be supplied as assembled unit Model SKSCW241RP 147B 144A 147A 144B 147A 144B 147B 144A 134A 134A EV ...

Page 80: ...d service purposes 5 Machine Room Part 501B 501G 501F 501C 411A 619A 619B 174C 174A 173B 174B 175A 500C 174D 103A 319A 310B 308A 403B 308C 308B 104B 175A 104A 317A 104B 105A 171A 303D 314A 310A 314A 314A 314A 307A 171B 104A 301A 103B 173A 501H 194A 194A 194A 194A 306A 306A 306A 306A EV ...

Page 81: ... 81 Copyright 2018 2019 SIGNATURE KITCHEN SUITE All rights reserved Only training and service purposes 6 Installation Part 703A 704A 705A 180C 702A 702B 702C 700A 701A 709A 180G 706A 708A 710A EV ...

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