lassele LFT-771E Service Manual
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lassele LFT-771E Service Manual

Commercial upright refrigerator & freezer
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Summary of Contents for lassele LFT-771E

  • Page 1 Commercial Upright Refrigerator & Freezer Service Manual...
  • Page 2 TABLE OF CONTENS 1. SPECIFICATIONS ……………………………………………… 4~5 2. PARTS …………………………………………………………… 6~33 3. WIRING DIAGRAM …………………………………………… 34~35 4. MAIN COMPONENTS …………………………………………. 36~49 5. ELECTRONIC CONTROL INSTRUCTIONS ……………… 50~73 6. PART LIST ……………………………………………………… 74~77...
  • Page 3 Safety cautions during service ㆍ When exchanging or repairing electric parts, pull the plug out before exchanging and repairing. ㆍ When exchanging electric parts, use a rating part. - Be sure to check marks such as MODEL name, rating voltage, rating currents, movement temperature etc.

  • Page 4: Specifications

    1. Specifications A. Dimensions 1. LRT-771E, LFT-771E mm (in) MODEL LRT-771E 1403 105˚ LFT-771E (55.2in) (6.4in) (24.7in)
  • Page 5 2. LRT-1471E, LFT-1471E mm (in) MODEL LRT-1471E 1403 105˚ LFT-1471E (55.2in) (6.4in) (24.7in)

  • Page 6: Parts

    2. PART A. MainAssembly a. LRT-771E Model Code Description Material Spec R7439-170 Compressor SK1A1Q-L2U, 220V 50HZ, R-134a R395A-020 Compressor Bolt Φ10, M6x36 ZPW, R300A-020 Grommet Comp EPDM BLACK 34±3% AC COMP R3243-040 Reinf Comp T1.6*135*236 R811A-410 Assy Cabi BOX LRT-771E(220V) R818B-060 ASSY GRILL TOP_TM23 STS430 #4...
  • Page 7 LFT-771E Model Code Description Material Spec R714A-030 Compressor SC12CLX2 220V/50/60Hz Z394A-330 Screw Machin-Comp M6*8 L=30 SWCH-ZN R300A-020 Grommet Comp EPDM BLACK 34±3% AC COMP R811A-420 Assy Cabi BOX LFT-771E(220V) R818B-060 ASSY GRILL TOP_TM23 STS430 #4 TM 23. 220V/50,60Hz R829A-360 Ass’y Control Box...
  • Page 8 c. LRT-1471E Model Code Description Material Spec R7439-170 Compressor SK1A1Q-L2U, 220V 50HZ, R-134a R395A-020 Compressor Bolt Φ10, M6x36 ZPW, R300A-020 Grommet Comp EPDM HS BLACK 34±3% AC COMP R3243-040 Reinf Comp T1.6*135*236 R811A-430 Assy Cabi BOX LRT-1471E(220V) R818B-070 Assy Grill Top_TM49 STS430 #4 TM 49.
  • Page 9 d. LFT-1471E Model Code Description Material Spec R7439-530 Compressor SC18CLX2, 220~240V 50Hz R395A-020 Compressor Bolt Φ10, M6x36 ZPW, R300A-020 Grommet Comp EPDM HS BLACK 34±3% AC COMP R811A-440 Ass'y Cabi BOX LFT-1471E R818B-070 Assy Grill Top_TM49 STS430 #4 TM 49. 220V/50,60Hz TM49F ℃TYPE LED LAMP R829A-410 Ass’y Control Box...
  • Page 10 B. Assembly Uint a. LRT-771E Model Code Description Material Spec R2113-992 Pipe Discharge Φ6.35*T0.7*L650 R2113-981 Pipe Connect Dryer Φ4.76*T0.7*L220 R2183-032 Dryer Ass’y R-134a, 36G R2104-981 Pipe Dryer R8603-833 Ass'y Suction Pipe Φ3.0*ID1.4*3100 R2104-610 Tube Vaccum Φ6.35*T0.6*120 R8633-010 Condenrser AS LRT-49D R3723-070 Condenser Fan Blade 220V FAN MOTOR AL 9"...

  • Page 11: Table Of Contents

    LFT-771E Model Code Description Material Spec R2113-992 Pipe Discharge T23F Φ6.35*T0.7*L650 R2113-981 Pipe Connect Dryer Φ4.76*T0.7*L220 R2183-032 Dryer Ass’y R-134a, 36G R2104-981 Pipe Dryer R8603-824 PIPE SUCTION T23F CAPI OD3.0XID1.4X4800 R2104-610 Tube Vaccum Φ6.35*T0.6*120 R8633-010 Condenrser AS R3723-070 Condenser Fan Blade 220V FAN MOTOR AL 9"...
  • Page 12 c. LRT-1471E Model Code Description Material Spec R319A-240 Pipe Discharge Cu, CT-1220 Φ4.7*T0.7 R2113-981 Pipe Connect Dryer Φ4.76*T0.7*220 R2183-032 Dryer Ass’y R-134a, 36G R319A-580 PIPE CONDENSER DRYER Φ4.76*T0.7*412 OD ￠3.0XID1.4XL4800 LFT- R845A-050 Ass'y Suction Pipe T49F 1471E R2104-610 Tube Vaccum Φ6.35*T0.6*120 R2183-032 Condenrser COIL...
  • Page 13 d. LFT-1471E Model Code Description Material Spec R2113-570 Discharge Connector Φ6.35*T0.7*1215 OD ￠3.0XID1.4XL4800 LFT- R845A-050 Ass'y Suction Pipe T49F 1471E R319A-580 Pipe Condenser Dryer Φ4.76*T0.7*482.8 R2183-200 Dryer Ass’y R404A, Φ25.7*169 R2104-982 Pipe Dryer Φ4.76*T0.7*506.5 R2114-321 Comp Charging Pipe Φ6.35*T0.7 R876A-010 Ass’y Relay Box Code No : 117-7045 R7549-300...
  • Page 14 C. Body Assembly a. LRT-771E, LFT-771E...
  • Page 15 Model Code Description Material Spec R376A-030 SUPPOTER RAIL A LF STS443CT-2B T1*110.6*1041 R364A-010 RAIL GASTRONORM STS443CT-2B T1.0*44*587 R332A-170 DUCT TOP A T23 STS443CT-2B T0.5*918*545.3 R332A-110 DUCT A LF T23 STS443CT-2B T0.5*93.9*74.4 R332A-120 DUCT A RH T23 STS443CT-2B T0.5*93.9*74.4 R332A-200 DUCT MAIN STS443CT-2B T0.5*471.7*1145 R3314-602...
  • Page 16 b. LRT-1471E...
  • Page 17 Model Code Description Material Spec R325A-030 Cover Corner 28.5*28.5*53 R3314-601 U-COVER BRACKET A T1.2*61*20 R376A-050 SUPPOTER RAIL B LF STS443CT-2B T1*118.1*1041 R364A-010 RAIL GASTRONORM STS443CT-2B T1*44*587 R376A-070 SUPPORTER RAIL,C STS443CT-2B T1*302.6*1041 R332A-070 DUCT TOP, A49F STS443CT-2B T0.5*540.5*172.3 R332A-130 DUCT TOP A LF T49 STS443CT-2B T0.5*93.9*74.4 R332A-140...
  • Page 18 c. LFT-1471E...
  • Page 19 Model Code Description Material Spec R325A-030 Cover Corner 28.5*28.5*53 R3314-601 U-COVER BRACKET A T1.2*61*20 R376A-050 SUPPOTER RAIL B LF STS443CT-2B T1*118.1*1041 R364A-010 RAIL GASTRONORM STS443CT-2B T1*44*587 R376A-070 SUPPORTER RAIL,C STS443CT-2B T1*302.6*1041 R332A-070 DUCT TOP, A49F STS443CT-2B T0.5*540.5*172.3 R332A-130 DUCT TOP A LF T49 STS443CT-2B T0.5*93.9*74.4 R332A-140...
  • Page 20 D. Top Grill Assembly a. LRT-771E, LFT-771E Model Code Description Material Spec R818B-060 Assy Grill Top_TM23 STS430 #4 TM 23. 220V/50,60Hz R7204-070 Power Switch LIGHT COUNTRY(R19A) 10A/115V R7203-010 Switch Puch SP201-7D 125VAC1.5A R3734-030 Door Locking Ass’y ZDC, ZCR R511A-540 Inlay Control 수출...
  • Page 21 ABS GRAY 380G / 166.5*60.5 144*39 WHITE 내수수출 R/F R725C-220 PCB Panel 고급형 SIDETABLE R7613-860 Harness F-PCB 8P B AGW24, 8P, L450 R7613-880 Harness F-PCB 10P B AGW24, 10P, L450 R7523-270 Harness Switch T49 UL AWG18 R5133-160 MASCOT LASSELE 157.7*40...
  • Page 22 E. Main PCB Box a. LRT-771E Model Code Description Material Spec R7119-876 Box Main PCB T0.5*559*331.1 R7119-882 Cover Main PCB BOX T0.5*357.07*218.97 R725A-413 Main PCB TM 220V ℃, REF TMR220C-05 R7503-070 POWER TRANS (220V) 220V 50/60HZ, DT-1213K R719A-550 HARNESS MAIN AC-A T23R 115V NEW LED LAMP R719A-800 HARNESS MAIN AC-B...
  • Page 23 LFT-771E Model Code Description Material Spec R7119-876 Box Main PCB T0.5*559*331.1 R7119-882 COVER MAIN PCB BOX T0.5*357.07*218.97 R725B-050 Main PCB FR1. 165*115(220V ℃)냉동-7338 R7504-060 Power Trans 120V60Hz, DT-1213 R719A-560 Harness Main AC-A 23F 115V NEW LED LAMP R719A-810 Harness Main AC-B 23F...
  • Page 24 c. LRT-1471E Model Code Description Material Spec R7119-876 Box Main PCB T0.5*559*331.1 R7119-882 Cover Main PCB BOX T0.5*357.07*218.97 R725A-413 Main PCB FR1 TM 220V ℃ REF TMR220C-05 R7504-060 Power Trans 120V/60Hz, DT-1213 R719A-570 Harness Main AC-A 49R Ass'y UL, LED LAMP R719A-820 Harness Main AC-B 49R Ass'y UL, LED LAMP...
  • Page 25 d. LFT-1471E Model Code Description Material Spec R7119-876 Box Main PCB T0.5*559*331.1 R7119-882 M-PCB Box Cover T0.5*357.07*218.97 FR1 TM 220V ℃ 냉동 R725B-423 Main PCB TMF220C-05 R7504-060 Power Trans 120V/60Hz, DT-1213 PANASONIC HE1AN-Q- R748A-020 Power Relay DC12V 30A R719A-581 Harness Main AC-A 49F Ass'y UL R719B-910 Harness Main AC-B 49F...
  • Page 26 F. Door Assembly a. LRT-771E, LFT-771E Model Code Description Material Spec R817A-050 Ass'y Door RH TM R4122-272 HANDLE BODY UL94-HB R4122-263 HANDLE GUARD R338A-010 GASKET DOOR TM RD-PVC 1512*610 R1254-052 DOOR RUBBER LEG SILICON Ø16*12 R858A-410 SHAFT TOP HINGE AS...
  • Page 27 b. LRT-1471E, LFT-1471E Model Code Description Material Spec R817A-050 Ass'y Door RH TM R817A-040 Ass'y Door LF TM R4122-272 HANDLE BODY UL94-HB R4122-263 HANDLE GUARD R338A-010 GASKET DOOR TM RD-PVC 1512*610 R1254-052 DOOR RUBBER LEG SILICON Ø16*12 R828A-065 HINGE TOP RH AS STS304 T4.0 R858A-410...
  • Page 28 G. Evaporator Assembly a. LRT-771E Model Code Description Material Spec R2263-074 Evaporator Assy W330*D246*H105 TM23R R3743-051 Evap Drain Pan Small AL+COATING R1143-202 Evap Drain Insul-S Foam-PS T=17*256*530 R3853-051 Evap Air Guide Left T=0.5*255.3*155.6 R3853-041 Evap Air Guide Right T=0.5*255.3*155.6 R3813-812 Evap Cover Bracket LF STS430-2B T=1.0*565*34.8...
  • Page 29 LFT-771E Model Code Description Material Spec R2263-051 Evaporator Assy CU+AL TM 23F R7313-420 Defrost Heater 220V/445W . WHITE R3743-051 Evap Drain Pan Small R1143-202 Evap Drain Insul-S Foam-PS T=17*256*530 R3813-812 Evap Cover Bracket LF STS430-2B T=1.0*565*34.8 R3813-802 Evap Cover Bracket RH STS304-2B T=1.0*565*34.8...
  • Page 30 c. LRT-1471E Model Code Description Material Spec R2263-084 Evaporator Assy W506*D246*H105 TM49R R3743-041 Evap Drain Pan Mid R1143-222 Evap Drain Insul-M Foam-PS T=17*256*622 R3853-800 Evap Cover Support LF STS443CT T=0.5*519.4*176.7 R3853-790 Evap Cover Support RH STS443CT T=0.5*519.4*176.7 R3853-051 Evap Air Guide Left T=0.5*255.3*155.6 R3853-051 Evap Air Guide Left/Right...
  • Page 31 d. LFT-1471E Model Code Description Material Spec R2263-062 Evaporator Assy CU+AL TM 49F R7303-961 Defrost Heater (F49) UL 220V 600W R3743-031 Evap Drain Pan Large R1143-212 Evap Drain Insul-L Foam-PS T=17*256*800 R3853-800 Evap Cover Support LF STS443CT T=0.5*519.4*176.7 R3853-790 Evap Cover Support RH STS443CT T=0.5*519.4*176.7 R3853-051...
  • Page 32 H. Vapori Assembly a. LRT-771E, LFT-771E, LFT-1471E Model Code Description Material Spec R8522-010 Vapori AS TM ABS+DC FAN R3422-012 Case Vapori 602.5*275*106.5 R3422-050 Cover DC Motor T49 280.5*131*11.5 R3422-030 Case DC Motor T49 283*143.5*69.5 R831A-030 Ass’y DC Motor Vapori DC12V, DA08025B12MF...
  • Page 33 b. LRT-1471E Model Code Description Material Spec R8522-040 Vapori AS TM ABS+DC FAN+HEATER R3422-012 Case Vapori 602.5*275*106.5 R3422-050 Cover DC Motor T49 280.5*131*11.5 R3422-030 Case DC Motor T49 283*143.5*69.5 R831A-030 Ass’y DC Motor Vapori DC12V, DA08025B12MF R3743-400 Holder Vapori Heater Silicon 33*20*13.5 R720A-080...

  • Page 34: Wiring Diagram

    3. WIRING DIAGRAM ◇ T23R ◇ T23F...
  • Page 35 ◇ T49R ◇ T49F...

  • Page 36: Main Components

    4. MAIN COMPONENTS 4-1.COMPRESSOR LRT-771E MODEL LFT-771E LFT-1471E LRT-1471E Refrigerant R-134a R-404A R-404A Voltage 220V SK1A1Q-L2U SC12CLX2 SC18CLX2 Comp. Model R7439-170 R714A-030 R7439-530 Part code (DY) Image 4-2.POWER-RELAY(COMP. RELAY) MODEL LFT-1471E Voltage 220V / 50Hz Relay Model OMRON G7L-2A-TUB 220~240VAC...
  • Page 37 350V AC 8 ㎌, 2P Part (DY) R7549-140 code Image 4-5.CONDENSER DRYER MODEL LRT-771E LRT-1471E LFT-771E LFT-1471E Refrigerant R-134a R-404A Spec Part (DY) R2183-032 R2183-200 code Image 4-6.CONDENSER COIL MODEL LRT-771E, LFT-771E,LFT-1471E LRT-1471E Spec SWST ￠4.76*13190 SWST ￠4.76*13190 Part code (DY) R2183-032 R2183-032 Image...
  • Page 38 4-7. CONDENSER FAN MOTOR BLADE MODEL Spec 220V FAN MOTOR AL 9" CCW Part (DY) R3723-070 code Image 4-8. CONDENSER FAN MOTOR MODEL Voltage 220V 50~60Hz.9W.CCW Motor Model DAI-8204DYCA Part (DY) R7423-070 code Image 4-9. BRACKET C-FAN MOTOR MODEL Motor Model SBHG1-0 T2 Part (DY)
  • Page 39 4-10. EVAPORATOR FAN MOTOR MODEL Voltage 220V 50~60Hz.9W.CCW Motor Model DAI-8204DYCA-1 CCW Part (DY) R7423-053 code Image 4-11.EVAPORATOR COIL MODEL LRT-771E LRT-1471E LFT-771E LFT-1471E Spec CU+AL CU+AL Part (DY) R2263-062 R2263-074 R2263-084 R2263-051 code Image 4-12. EVAPORATOR DEFROST HEATER MODEL...
  • Page 40 4-15. MOTOR FIX BRACKET MODEL Spec STS430-2B T1*90*146 Part (DY) R3203-482 code Image 4-16. MAIN PCB MODEL LRT-771E, LRT-1471E LFT-771E LFT-1471E FR1. FR1 TM 220V ℃ Spec FR1 TM 220V ℃ REF TMR220C-05 165*115(220V ℃)냉동- 냉동 TMF220C-05 7338 Part (DY) R725A-413...
  • Page 41 / 내수수출 R,F / 고급형 SIDE MOUNT TABLE (NEW DP 적용모델)/ Spec 수출 2 BUTTON 141.8*43.5 Part R511A- R511A-020 code Image 4-19. POWER CORD MODEL LRT-771E,LFT-771E,LRT-1471E,LFT-1471E Spec 250V 10A Part (DY) R7363-260 code Image 4-20. EVAPORATOR THERMAL FUSE (BIMETAL) MODEL LFT-771E...
  • Page 42 R7213-412 code Image 4-22. DEFROST SENSOR (D/-SENSOR, Evap-SENSOR) MODEL Spec AT25℃, 10.75KΩ±1%, -25~25 Part (DY) R7213-422 code Image 4-23. HARNESS SWITCH MODEL LRT-771E,LFT-771E LRT-1471E,LFT-1471E Spec UL, AWG 18 Part (DY) R7523-261 R7523-270 code Image 4-24. VAPORI AS LRT-771E, MODEL LFT-771E,...
  • Page 43 DC 12V, 3000RPM, DA08025B12MF Part (DY) R831A-030 code Image 4-27. HEATER VAPORI MODEL LRT-1471E Spec 220V 50W 968Ω SHEATH HEATER Part (DY) R720A-080 code Image 4-28. WICKING DRAIN WATER MODEL LRT-771E, LFT-771E, LFT-1471E Spec PP.T2.5*480*63.5 Part (DY) R1154-090 code Image...
  • Page 44 4-29. HEATER DRAIN PAN MODEL LFT-771E LFT-1471E Spec 220V 90W 220V 140W Part (DY) R720A-100 R720A-120 code Image 4-30. SENSOR BRACKET MODEL Spec PP. WHT Part (DY) R3314-192 code Image 4-31. CASTER MODEL LRT-771E,LFT-771E LRT-1471E,LFT-1471E Spec SPCC 4" Part (DY)
  • Page 45 4-32. DOOR SWITCH MODEL LRT-771E,LFT-771E LRT-1471E,LFT-1471E Spec SP201-7D 125VAC1.5A Part (DY) R7203-010 code Q’ty Image 4-33. DOOR LOCK MODEL LRT-771E,LFT-771E LRT-1471E,LFT-1471E Spec ZDC, ZCR Part (DY) R3734-030 code Q’ty Image 4-34. POWER SWITCH MODEL Spec SL112A. 125V 15A Part (DY)
  • Page 46 4-35. ASSY SHELF CLIP MODEL LRT-771E,LFT-771E LRT-1471E,LFT-1471E Spec 14 SET 26 SET Part (DY) R8429-022 R8429-012 code Image 4-36. DOOR GASKET MODEL Spec RD-PVC.BLK, 1517*615 Part (DY) R338A-010 code Image 4-37. STOPPER HINGE/STOPPER DOOR MODEL Spec POM(FW700S) POM(FW700S) Part (DY)
  • Page 47 4-38. ASSY HINGE TOP MODEL Spec STS304 T=4.0 Part (DY) R828A-065 RH R828A-055 LF code Image 4-39. ASSY HINGE BOTTOM MODEL LRT-1471E,LFT-1471E Spec STS304 T=4.0 Part (DY) R828A-022 RH R828A-032 LF code Image 4-40. PIN TENSION MODEL Spec SUM24L, Φ5*22 Part (DY) R412A-021...
  • Page 48 4-41. SHAFT TOP HINGE AS/SPRING DOOR MODEL Spec SUM24L, Φ15*L114 PW-C, Φ2.3 PW-C, Φ2.3, PINK Part (DY) R858A-410 R374A-022 RH R374A-012 LF code Image 4-42. ASSY CROSS BAR MODEL LRT-1471E,LFT-1471E Spec 220V Part (DY) R816A-300 code Image 4-43. DOOR ASSY MODEL LRT-1471E,LFT-1471E Spec...
  • Page 49 4-44. BODY DOOR SPRING MODEL Spec ZNDC2, 97*70*26 Part (DY) R313A-011 code Image 4-45. CHECK VALVE AS MODEL LRT-771E,LFT-771E, LRT-1471E LFT-1471E Spec ABS + FILTER Part (DY) R8173-130 code Q’ty Image...
  • Page 50 5. ELECTRONIC CONTROL INSTRUCTIONS 5-1. FREEZER CONTROL 5-1-1. HOW TO USE THE DISPLAY PCB PANEL...
  • Page 51 5. ELECTRONIC CONTROL INSTRUCTIONS 5-1-2. FUNCTION TABLE & MANUAL DEFROST Function Content Display . First 2 sec Ver. 1. OFF for 2 sec ℉ : F8, ℃ : FC 2. Display current Temp. and BUZZ 1 time. After 2 sec Power On 3.
  • Page 52 1. If the defrost period passes defrost starts from pre-cool. 2. - 1. 5H : 5 Hr - 2. 6H : 6Hr - 3. 8H : 8 Hr(DEFAULT) Defrost - 4. AH : 10Hr 3. Push △ for 5 sec to display defrost period 4.
  • Page 53 1. Sensor Temp. Check & Set-up 1) Push △ & hit ▼ 3 times. 2) 1. dS : Displays D-Sensor → hit ▼ 2. D-Sensor Temp → hit ▼ D-Sensor 3. rS : Displays R-S → hit ▼ . dS Check 4.
  • Page 54 5. ELECTRONIC CONTROL INSTRUCTIONS 5-1-3. ERROR CODE TABLE Temp. Display Condition Function Display R-Sensor OPEN - Comp ON : 18 MINUTES - Comp OFF: 6 MINUTES 28.4℉ R-Sensor SHORT If R-Sensor is above 28.4℉ 20 min. after the Defrost D-Sensor OPEN/SHORT started, terminate the Defrost.
  • Page 55 5. ELECTRONIC CONTROL INSTRUCTIONS 5-2. REFRIGERATOR CONTROL 5-2-1. HOW TO USE THE DISPLAY PCB PANEL Default Temp. Range Level REF. -2~4 ℃ FEZ. -23~-15 REF. 28~39 ℉ FEZ. -9~5...
  • Page 56 a) How to set temperature - △ Button : lower the temperature - ▽ Button : Higher the temperature b) Display ① 888 SEGMENT display - Press the temperature setting button and the display will blink every 0.5 seconds showing the temperature setting. - Press the ↑↓...
  • Page 57 • Control Board Layout Test Switch CON14 Transformer Sensor CON3,15 LED CON9 Room CON5 Defrost SENSOR CON10 Display cable 10P CON11 Display cable 8P CON1 Transformer AC CON13 CON12 CON6 CON2 Vaporizer CON1 Door Signal Compressor CON7 Cabinet Power Cord Transformer AC Heater CON4...
  • Page 58 5. ELECTRONIC CONTROL INSTRUCTIONS a) How to set temperature - △ Button : lower the temperature - ▽ Button : Higher the temperature b) Display ① 888 SEGMENT display - Press the temperature setting button and the display will blink every 0.5 seconds showing the temperature setting.
  • Page 59 • Control Board Layout Test Switch CON14 Transformer Sensor CON3,15 LED CON9 Room CON5 Defrost SENSOR CON10 Display cable 10P CON11 Display cable 8P CON1 CON13 CON12 CON6 Transformer AC CON2 Vaporizer CON1 Door Signal Compressor CON7 Cabinet Power Cord Transformer AC Heater CON4...

  • Page 60: Electronic Control Instructions

    5. ELECTRONIC CONTROL INSTRUCTIONS 5-2-2. FUNCTION TABLE Function Content OFF for 2 sec First 2 sec Ver. ℉ : F8, ℃ : FC - After 2 sec Present ℃/℉ - Blinks Model name 5 times. - LED blinks 3 times. Present ℃/℉...
  • Page 61 Resting After heater is Off there is a 5 min resting period. Period - HEATER, FAN, COMP ALL OFF. - After Resting Period FAN is off for Maximum 5min. - Only COMP Operates for the EVA 4. FAN Off - If Temp. is under 14℉(-10℃) before 5 min, FAN will go off and activate normal operation.
  • Page 62 a) COMP Operation 1) COMP 5 min OFF (COMP disabled for 5 min) 2) Operate by Temperature Value. 3) If Temp. Value hits the OFF Temp. the Comp. does not operate for 5 min. b) AC Load Control 1) Each Part does not operate together, each operate by a 1.5 sec term. COMP 1.5초...
  • Page 63 2) Content : ① Press SW3(▽) during 1) to Force Defrost. ② 888 SEGMENT - "dF" b) Mode Control 1) Display : 888 SEGMENT. After 1 sec 2) Content : Press SW(△) to change mode - OFF Temp.-> DIF Change -> Adjust Temp.gap ->...
  • Page 64 c) Each part TEST 1) Display : 888SEGMENT – “St” 2) Content : Press SW4(△) 0~3 Mode Change. 3) Each part TEST Cancel : 15sec auto return Status of Unit 단계 Function Time DISPLAY 10sec auto All OFF return COMP ON ∞...
  • Page 65 f) ℃/℉ Change 1) Press SW(▽) - F -> C 2) 15sec auto save. g) Cord H/T Change ① Press SW(▽) - "00"->"02"->"04" -> ~ "30" -> "40" -> "100" -> "00" Display Display "00" Cord H/T Off "15" 15min 10min "02"...
  • Page 66 k) Condenser Alarm 1) Content Hold △ & hit ▼ 3 times to enter Mode. Press △ To Check period.. ① SEGMENT : display value ② Operation : Normal Operation 2) Adjustment ① Press △ to adjust period. 0 -> 3 -> 6 -> 9 -> 0 cycle. 0 : Disable 3 : 3 months 6 : 6 months...
  • Page 67 2. Check Error * Errors will be displayed, if there is no error Display "nO". Error code Code Error explanation Status of Unit DISPLAY Disconnected Sensor or Room temp is under-58℉ S1-SENSOR Operate (Room Sensor) Error mode Shortage of Sensor or Room temp is under 149℉...
  • Page 68 if cabinet temp is keeping Normal Hi temp Ref 45℉ for 8 hr Operation E²PROM cannot Read & Normal E²PROM Error Write Operation Operate Open Door if Door S/W is open for 1 Hr Error mode Vapor Pan Vapor Fan is not Normal Error connected of error...

  • Page 69: Service Diagnosis

    Ⅴ. Service Diagnosis A. Diagnosis Chart Problem Possible Cause Remedy 1. Compress will 1. Power Switch 1. "OFF" position. 1. Move to "ON' position. 2. Loose connection. 2. Tighten. start - no 3. Failure. 3. Call electrician. current 2. Cord and Plug 1.
  • Page 70 4. Cabinet inside 1. Compressor Relay 1. Defective. ( 115V to 1. Check and replace. temperature relay coil.) 2. Circuit Board 1. Defective. ( Compressor 1. Replace. high; relay coil not compressor energized will at 115V.) not start Problem Possible Cause Remedy 5.
  • Page 71 not defrost 2. Defrost 1. Not enough defrosts 1. Freezer ; See "C. 1. 5 completely occurring per day. Defrost System." Operation in humid 2. Refrigerator : "C. 1. 6 conditions. Defrost System." 3. Check D-Sensor position. 3. Defrost Heaters 1.
  • Page 72 ssor. Evacuate and recharge if necessary. 3. Defective. 3. Replace. 3. Fan 1. Fan blade loose. 1. Adjust and tighten. 2. Defective motor. 2. Replace. 4. Relay 1. Chattering. 1. Replace. Thermistors (semiconductors) are used for the cabinet control sensor and defrost termination sensor.
  • Page 75 5. ELECTRONIC CONTROL INSTRUCTIONS -2-3. ERROR CODE 표시 감지 조건 온도 표시창 기능 동작 R-Sensor OPEN - Comp ON : 6 MINUTES - Comp OFF: 11 MINUTES R-Sensor SHORT RT-Sensor OPEN/SHORT 고내 온도 표시 - BOX HEATER 100% 운전...
  • Page 76 6. PART-LIST GN TYPE Code Part name Description R23T F23T R49T F49T COMPRESSOR R7439-170 COMPRESSOR SK1A1Q-L2U R714A-030 COMPRESSOR SC12CLX2 R7439-530 COMPRESSOR SC18CLX2 R7549-300 STARING CAPACITOR 220V/125 ㎌ 220V/50Hz R7549-140 RUNNING CAPACITOR 350VAC 15 ㎌, 115V R719A-550 HARNESS MAIN AC-A T23R 115V NEW LED LAMP TYPE R719A-560 HARNESS MAIN AC-A T23F...
  • Page 77 R818B-060 ASSY GRILL TOP_TM23 TM 23. 220V/50,60Hz R818B-070 ASSY GRILL TOP_TM49 TM 49. 220V/50,60Hz R5133-160 MASCOT AAL. LASSELE 157.7*40 R725A-413 MAIN PCB FR1 220V, ℃, TMR220C-05 R725B-050 MAIN PCB FR1 220V, ℃, TMF220C-05 FR1 TM 220V ℃ 냉동 TMF220 R725A-423...
  • Page 78 GN TYPE Code Part name Description R23T F23T R49T F49T R725C-220 PCB PANEL 144*39 WHITE R511A-540 INLAY CONTROL 수출 2 BUTTON 141.8*43.5 C3379-240 SPACER SUPPORTS S/S-9N(T) R7204-070 POWER SWITCH SL112A, 125V 15A PANASONIC HE1AN Q-DC12V R748A-020 POWER RELAY R7203-010 SWITCH PUSH SP201-7D 125VAC1.5A R7523-261 HARNESS SWITCH, T23...
  • Page 79 GN TYPE Code Part name Description R23T F23T R49T F49T R817A-040 Ass'y Door LF TM LFT-72T R338A-010 GASKET DOOR TM RD-PVC (LS100 LG) 1512*610 R816A-310 ASSY CROSS BAR LFT-1471E R828A-065 ASSY HINGE TOP RH STS304, T=4.0 R828A-055 ASSY HINGE TOP LF STS304, T=4.0 R858A-410 SHAFT TOP HINGE AS...

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