Samsung FCQ321HTUW Service Manual
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Samsung FCQ321HTUW Service Manual

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See also: User Manual
Refer to the service manual in the GSPN(see rear cover) for the more information.
FREE STANDING
RANGE
BASIC:
FCQ321HTUW
MODEL:
FCQ321HTUX
MODEL CODE: FCQ321HTUX/XAC
1. Precaution
2. Product Specification
3. Disassembly and Reassembly
4. Troubleshooting
5. Exploded Views and Part List
6. PCB Diagrams
7. Schematic Diagrams
8. Wiring Diagram

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Summary of Contents for Samsung FCQ321HTUW

  • Page 1 FREE STANDING RANGE BASIC: FCQ321HTUW MODEL: FCQ321HTUX MODEL CODE: FCQ321HTUX/XAC 1. Precaution 2. Product Specification 3. Disassembly and Reassembly 4. Troubleshooting 5. Exploded Views and Part List 6. PCB Diagrams 7. Schematic Diagrams 8. Wiring Diagram Refer to the service manual in the GSPN(see rear cover) for the more information.

  • Page 2: Table Of Contents

    • Contents 1. Precaution ................3 1-1 Forward .

  • Page 3: Precaution

    • Repairs of the appliance should be carried out by a licensed technician only . Incorrect repairs may result in dangerous situations . If you need repairs, contact an SAMSUNG Service Center or your dealer . • If the power cord is defective, it must be replaced by a qualified service agent with a UL listed range cord.

  • Page 4: Important Safety Instructions

    1. Precaution 1-3 Important Safety Instructions Read and follow all instructions before using your oven to prevent the risk of fire, electric shock, injury to person, or damage when using the range. This guide don’t cover all possible conditions that may occur. For further assistance contact your service agent or manufacturer .

  • Page 5: Surface Cooking Units

    1. Precaution SURFACE COOKING UNITS VENTILATING HOODS: • Use Proper Pan Size – This appliance is equipped • Clean Ventilating Hoods Frequently – Grease with one or more surface units of different sizes . should not be allowed to accumulate on hood or filter. Select utensils having flat bottoms large enough •...

  • Page 6: Model & Serial Number Label And Tech Sheet Locations

    1. Precaution 1-4 Model & Serial Number Label and Tech Sheet Locations This Model / Serial Number label and Tech Sheet locations are shown below . The rating plate is located above the drawer on the oven frame . Model & Serial Number Location Tech Sheet Location (On Low Rear Cover)

  • Page 7: Specifications

    A : 5.4 cu.ft B : 5.3 cu.ft Steam Cleaning Casual clean without any smell More frequently - Samsung : Self clean + Steam Clean - Competitors : Self clean Easy Steam Cleaning - More Efficiency & Time Saving - Available for Water and Oven Washing Liquid (Water + Detergent)

  • Page 8: Table Of Specifications

    2. Specifications 2-2 Table of Specifications Model Items BASIC MODEL NEW MODEL Model Name FTQ352IWUX FCQ321HTUX Category Convection Traditional Overall Width 30” 30” Installation type Freestanding Freestanding Color availability STS, WH, BK STS, WH, BK Control Oven Keypad Keypad Cooktop Knob Knob Display Electronic clock Control lock capability Audible preheat signal Cooktop...

  • Page 9: Accessory

    2. Specifications 2-3 Accessory Item Description Code No. Q’ty Rack Flat DG75-01001A...

  • Page 10: Disassembly And Reassembly

    3. Disassembly and Reassembly 3-1 Removing Cover-Back Main Wire, Cover-Back Guard Wire and PCB- Main WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . PRECAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 11: Removing Regulator-Energy

    3. Disassembly and Reassembly 3-2 Removing Regulator-Energy WARNING Disconnect power before servicing the range Replace all panels before operating range . Failure to do so can result in dearh or electrical shock . PRECAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 12: Removing Surface Elements And The Ceramic Glass Cooktop

    3. Disassembly and Reassembly 3-3 Removing Surface elements and The Ceramic Glass Cooktop WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . . Parts Explaination Photo Explaination...
  • Page 13 3. Disassembly and Reassembly 3-3 Removing Surface elements and The Ceramic Glass Cooktop Parts Explaination Photo Explaination To remove the surface elements a) Remove the wires from the element and limiter terminals . b) Remove the element bracket screw (shown above) for the element you are servicing .

  • Page 14: Removing The Latch-Door & Switch-Door Plunger

    3. Disassembly and Reassembly 3-4 Removing The Latch-Door & Switch-Door Plunger WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . CAUTION When you work on the electric range, be careful when handling the sheet metal parts .

  • Page 15: Removing Heater-Broil

    3. Disassembly and Reassembly 3-5 Removing Heater-Broil WARNING Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . CAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 16: Removing Heater-Bake

    3. Disassembly and Reassembly 3-6 Removing Heater-Bake Parts Explaination Photo Explaination 1. Unplug range or disconnect power . Pull the range out of its mounting location so that you can access the rear of the unit . 3. Remove Cover-Back Main Wire . 4.

  • Page 17: Removing Lamp

    3. Disassembly and Reassembly 3-7 Removing Lamp WARNING Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . CAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 18: Removing Sensor-Thermistor

    3. Disassembly and Reassembly 3-8 Removing Sensor-Thermistor WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . PRECAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 19: Removing Assy-Drawer

    3. Disassembly and Reassembly 3- Removing Assy-Drawer WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . PRECAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 20: Removing And Replacing Oven Door

    3. Disassembly and Reassembly 3-10 Removing and Replacing Oven Door WARNING The door is very heavy . Be careful when removing door Do not lift door up by the Handle-Door . Parts Explaination Photo Explaination To remove Oven Door: Fully open the door 2.

  • Page 21: Removing Handle-Door And Glass-Inner

    3. Disassembly and Reassembly 3-11 Removing Handle-Door and Glass-Inner WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . PRECAUTION When you work on the electric range, be careful when handling the sheet metal parts .
  • Page 22 3. Disassembly and Reassembly 3-12 Removing Handle-Door and Glass-Inner Parts Explaination Photo Explaination To remove Handle-Door Remove 4 screws to remove Handle- Door Handle Door Remove each side screw to remove Guide-Handle from Handle-Door . To remove Glass-Inner Remove 6screws from rear side of door to remove 2 Hinge-Door .
  • Page 23 3. Disassembly and Reassembly 3-13 Removing Handle-Door and Glass-Inner Parts Explaination Photo Explaination Remove Baffle-Door and take out the Glass-Inner assembly. Handle Explaination Photo Door Explaination Unfold 2 flanges of Cover-Frame Inner Glass to taking out Glass-Inner (cf . When you reassemble the Glass-Inner, don't change it you check Glass-Inner's coating side .)

  • Page 24: Removing Gasket-Door

    3. Disassembly and Reassembly 3-14 Removing Gasket-Door WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . PRECAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 25: Removing The Panel-Side

    3. Disassembly and Reassembly 3-15 Removing The Panel-Side WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . PRECAUTION When you work on the electric range, be careful when handling the sheet metal parts . Sharp edges may be present, and you can cut yourself if you are not careful .

  • Page 26: Troubleshooting

    4. Troubleshooting 4. Troubleshooting 4-1 Failure Display Codes There is a error code and two kinds of error codes. Possible error codes during use can be checked before service. 1 . Press CLOCK pad . 2 . Press a number 1, 2, 3, 4 pad . 3 .
  • Page 27 4. Troubleshooting 4-1 Failure Display Codes Safety error Failure code CAUSE SOLUTION 1. Disconnect power . Open the back cover . Disconnect sensor harness from control . Measure sensor resistance :1080Ω at the room temperature → If there E-08 Oven heating error are any problems, replace oven sensor .
  • Page 28 4. Troubleshooting 4-1 Failure Display Codes Safety error Failure code CAUSE SOLUTION 1) After 20 seconds from starting to work of oven, buzzer is beeping 10 times long and oven sensor opened then finally it displays “E-27” or “E-28” as E-27 Error message .
  • Page 29 4. Troubleshooting 4-1 Failure Display Codes Safety error Failure code CAUSE SOLUTION 1) It will display “E-08” after buzzer is beeping 10 times long if it could not reach 100˚F(38˚c) within 10 minutes during oven is working . E-08 oven heating error 2) Please make sure through the method of 4-1 on 30 page, if those series of working for informing error take long time or not...
  • Page 30 4. Troubleshooting 4-1 Failure Display Codes Safety error...
  • Page 31 4. Troubleshooting 4-1 Failure Display Codes Failure code CAUSE SOLUTION *Control lockout(press cooking time and Delay start pads at the same time for 3 seconds .) When 1 minute elapsed, It will display “E- 0E” after buzzer is beeping 10 times long, if locking is occurred continually, or door locking E-0E Door locking error...
  • Page 32 4. Troubleshooting 4-1 Failure Display Codes Failure code CAUSE SOLUTION When 10 seconds elapses, It will display “-SE-” after buzzer is beeping 10 times long if between main PCB and cable connector or keypad and cable have a short circuit . -SE- short key Please make sure through the method of...
  • Page 33 4. Troubleshooting 4-1 Failure Display Codes Control PCB Operation Sort of Control PCB Main PCB ( Front ) ( Front ) ( Back ) ( Back ) Touch control (membrane) ( Front ) ( Front ) ( Key panel ) ( Key panel )
  • Page 34 4. Troubleshooting 4-1 Failure Display Codes * Explain of primary parts of Main PCB ( Main PCB ) ( Main PCB ) Low Voltage Transformer Low Voltage Transformer IC03(7805) IC03(7805) CN03 CN03 CN05 IC02(7812) IC02(7812) ZNR1 (Varistor) BAKE BAKE BROIL BROIL CN06 CN06...
  • Page 35 4. Troubleshooting SYMPTOM DIAGNOSIS REMEDY Measure an input voltage . (240/120V check circuit breaker . or 208/120V) Make sure that the state of wire is Measure an input voltage of terminal connected with Terminal block . block . Measure voltage of connector(CN01) Replace of repair if harness has been on main PCB L1~N : 120V loosen or disconnected .
  • Page 36 4. Troubleshooting SYMPTOM DIAGNOSIS REMEDY Check whtether temperature is risen Replace or repair it if relay on main PCB over 400˚F(202˚C) within 10 minutes have a short circuit . in a state of room temperature . Oven temperature is risen fast . Check whether harness has been Replace or repair harness .
  • Page 37 4. Troubleshooting SYMPTOM DIAGNOSIS REMEDY Make sure that Radiant element or Infinite switch corresponded Replace Infinite switch or Radiant element. RR(Right Rear), RF(Right Front), LR(Left Rear), LF(Left Front) . Check whether harness is connected with radiant element or Infinite switch has been loosen or Cooktop is not disconnected .

  • Page 38: Electrical Malfunction

    4. Troubleshooting 4-2 Electrical Malfunction Safety error (Terminal Block) (Terminal Block) L2 : 240V No power N : 120V (Red) (Red) N : 120V (Black) (Black) No display (White) (White) *Check terminal block voltage. * Reset the circuit breaker AC 240V/120V or AC208V/120V or check main power.
  • Page 39 4. Troubleshooting 4-2 Electrical Malfunction * Measure resistance and voltage of Low voltage Transformer (please refer to Fig.1) Low Voltage Transformer Low Voltage Transformer Fig.1 : Low voltage Transformer voltage resistance Input 120V Input 120V Primary 120V 110 ~ 120Ω (input) Secondary 1 13.5V...
  • Page 40 4. Troubleshooting 4-2 Electrical Malfunction Cooktop No heating or Abnormal working *Single element Left Right(LR) LR radiant element (No heating or Abnormal working) Disconnect power *Tighted terminal of harness by *Check the LR infinite switch compressing not to be loosen. *Check whether harness in *Check whether harness connected wire and terminal of switch has been...
  • Page 41 4. Troubleshooting 4-2 Electrical Malfunction (Continued) LR radiant element (No heating or Abnormal working) *Tighted terminal of harness by compressing not to be loosen. * Check the element of LR Radiant *Check whether harness connected *Check whether harness in wire and the state of element of LR terminal of radiant has been radiant are in normal.
  • Page 42 4. Troubleshooting 4-2 Electrical Malfunction (Continued) *Single element Left Front(LF) LF radiant element (No heating or abnomal working) *Tighted terminal of harness by * Disconnect power compressing not to be loosen. * Check the LF infinite switch *Check whether harness in *Check whether harness connected terminal of switch has been wire and the state of LF infinite...
  • Page 43 4. Troubleshooting 4-2 Electrical Malfunction (Continued) LF radiant element (No heating or Abnormal working) *Tighted terminal of harness by compressing not to be loosen. *check the element of LF Radiant *Check whether harness connected *Check whether harness in wire and the state of LF infinite terminal of Radiant has switch are in normal.
  • Page 44 4. Troubleshooting 4-2 Electrical Malfunction *Single element Right Rear(RR) RR radiant element (No heating or abnomal working) *Tighted terminal of harness by * Disconnect power compressing not to be loosen. * Check the RR infinite switch *Check whether harness in *Check whether harness connected terminal on switch has been wire and the state of switch of RR...
  • Page 45 4. Troubleshooting 4-2 Electrical Malfunction (Continued) RR radiant element (No heating or Abnormal working) *Tighted terminal of harness by compressing not to be loosen. *Check the element of RR Radiant *Check whether harness connected *Check whether harness in wire and the state of element of RR terminal of Radiant has Radiant are in normal.
  • Page 46 4. Troubleshooting 4-2 Electrical Malfunction *Dual element Right Front(RF) (Continued) RF radiant element (No heating or abnomal working) *Tighted terminal of harness by * Disconnect power compressing not to be loosen. * Check theRF infinite switch *Check whether harness in *Check whether harness connected terminal of switch has been wire and the state of RF infinite...
  • Page 47 4. Troubleshooting 4-2 Electrical Malfunction (Continued) RF radiant element (No heating or Abnormal working) *Tighted terminal of harness by compressing not to be loosen. *check the element of RF Radiant *Check whether harness connected *Check whether harness in wire and the state of RF infinite terminal of Radiant has switch are in normal.
  • Page 48 4. Troubleshooting 4-2 Electrical Malfunction Warming center relay(RY07) Warming center relay(RY07) Warming center relay(RY07) CN06 CN06 RC radiant element (No heating or Abnormal working) * Disconnect power *Check whether PCB pattern have a short circuit or Relay *Check warming center relay on main PCB. (Ry07) has been damaged.
  • Page 49 4. Troubleshooting 4-2 Electrical Malfunction (Continued) RC radiant element (No heating or Abnormal working) *Tighten terminal of harness by compressing not to be loosen. *Check element of RC radiant. *Check whether harness connected *Check whether harness in wire and the state of element of RC terminal of radiant has been radiant are in normal.
  • Page 50 4. Troubleshooting 4-2 Electrical Malfunction Hot indicator Lamp failure (cooktop) Hot Indicator Lamp (No heating or Abnormal working) * Disconnect power * Get rid of lamp from harness *Get rid of lamp from bracket and supply extra 120V voltage. *Make sure whether lamp is lighted *Replace Hot Indicator Lamp.
  • Page 51 4. Troubleshooting 4-2 Electrical Malfunction Component testing procedures WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing the range . Replace all panels before operating range . Failure to do so can result in death or electrical shock . FIGURE TESTS MEASURE RESULTS Approx : 15 ~ 20Ω...
  • Page 52 4. Troubleshooting 4-2 Electrical Malfunction FIGURE TESTS MEASURE RESULTS Check whether harness is connected with switch properly . 1-H1 : orange + orange + violet 2-P : blue 4-H2 : yellow 5-L2 : red + red 3-L1 : black + brown Approx Measure the voltage and resistance Resistance between terminals...
  • Page 53 4. Troubleshooting 4-2 Electrical Malfunction FIGURE TESTS MEASURE RESULTS Check whether harness is connected with switch properly . Approx P1 : red+red Resistance between terminals ∞ S1 : sky+brown when switch is off : Ω P2 : black+black When switch is on(HI, Max .) S2 : blue (Indicator lamp) P1-2-4A : 0 Ω...
  • Page 54 4. Troubleshooting 4-2 Electrical Malfunction FIGURE TESTS MEASURE RESULTS Approx Check whether harness is connected with terminal of element properly . Terminal resistance : ∞ element terminal :orange+violet 1b-2b= Ω 2a- element terminal : 45 ~ 50Ω “A” : blue 1200W 1200W (at the room temperature)
  • Page 55 4. Troubleshooting 4-2 Electrical Malfunction FIGURE TESTS MEASURE RESULTS Check whether harness is connected with terminal of element properly . - element terminal : red, violet (It will not be problem with reversing the order in insering yellow and red .) Approx terminal resistance 187 type TCO : black, gray...
  • Page 56 4. Troubleshooting 4-2 Electrical Malfunction FIGURE TESTS MEASURE RESULTS Check the state of working of switch . Nomal open : 0Ω ∞ Nomal close : Ω Make sure whether wire, housing Replace or repair if wire or and terminal is connected with switch terminal has been damaged .
  • Page 57 4. Troubleshooting 4-2 Electrical Malfunction Oven sensor resistance (Temperature vs . Sensor resistance) Ro = 1000 Ohms (0˚C), RP = 2757 Ohms, Up = 5V, a = 0.00375 degree F degree C ohms degree F degree C ohms -17 .8 932 .12 1170 .17 961 .86...

  • Page 58: Exploded Views And Parts List

    5. Exploded Views and Parts List 5-1 Exploded Views M334 M335 P234 M145 P348 M314 M356 P234 P349 Z058 M243 M309 M337 P244 B041 P245 M322 M327 P241 M319 W002 M354 M033 M268 D162 M333 M248 M322 M054 M329 D162 M328 M370 M336...

  • Page 59: Main Parts List

    5. Exploded Views and Parts List 5-2 Main Parts List (S.N.A : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty SA/SNA Remark B041 DG66-00009A LATCH-DOOR 011-67508-01,-,-,-,-,30-EOVEN D162 DG62-00020B BAFFLE-DOOR SHEET FTQ386LWUX,ALCOAT,-,24 M015 DG96-00048A ASSY POWER CORD CSA,Canada,125/250V/40A, M033 DG39-00019A WIRE HARNESS-SUB FTQ386, FTQ352,-,-,-,-, M054 DG32-00002B...

  • Page 60: Door Parts List

    5. Exploded Views and Parts List 5-3 Door Parts List D049 D004 D170 D134 D135 D129 D128 V002 D130 D131 D133 D163 D126 D164 D164 D126 D129 D156 D163 V002 D015 (S.N.A : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty SA/SNA Remark...

  • Page 61: Control Parts List

    5. Exploded Views and Parts List 5-4 Control Parts List C184 C184 C285 C285 C184 C184 C082 C285 C234 U040 C285 C235 U045 U047 C003 C223 U046 C004 C211 C133 (S.N.A : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty SA/SNA Remark D004...

  • Page 62: Cooktop Parts List

    5. Exploded Views and Parts List 5-5 Cooktop Parts List M340 U035 M341 M321 M058 M342 U036 M345 M113 M345 M344 R069 M345 M345 (S.N.A : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty SA/SNA Remark M058 6502-001117 CABLE CLAMP DALF-94-2,-,-,EGI STEEL, SIL M113 DG61-00286A...

  • Page 63: Drawer Parts List

    5. Exploded Views and Parts List 5-6 Drawer Parts List M317 P335 P341 P340 P343 P336 P346 P336 M347 P339 M346 P338 P330 P339 M346 P332 P330 P334 M412 (S.N.A : SERVICE NOT AVAILABLE) Code No. Description Specification Q’ty SA/SNA Remark M317 DG97-00117E...

  • Page 64: Standard Parts List

    5. Exploded Views and Parts List 5-7 Standard Parts List (S.N.A : SERVICE NOT AVAILABLE) Level Code No. Description Specification Q’ty Remark 6001-000033 SCREW-MACHINE TH,+,-,M4,L10,PASS,STS304, SENSOR-TH 6003-001622 SCREW-TAPTITE HEX,+,TH,S-TITE,M5,L10,ZPC T-BLOCK-GND 6006-001170 SCREW-TAPPING TH,+,WT,TC,M4,L10,ZPC(WHT) A-LAMP_B-GND,H-W-A-GND 6006-001174 SCREW-ASSY TAPP WE,TH,+,M4,L12,ZPC(YEL) A-L-D-R,B-M-T-CF,B-M-T-CT,B-MULT-C,B- POWER-C,C-ACCESS,C-B-G-W,C-B-M-W,C-B- MAIN,C-WARMER,CF-TPF,GUIDE 6009-001395 SCREW-SPECIAL...

  • Page 65: Pcb Diagrams

    6. PCB Diagrams 6-1 PCB Diagrams (Main) (This Document can not be used without Samsung’s authorization)

  • Page 66: Pcb Diagrams

    6. PCB Diagrams 6-2 PCB Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 67: Wiring Diagrams

    7. Wiring Diagrams 7-1 Wiring Diagrams (This Document can not be used without Samsung’s authorization)

  • Page 68: Schematic Diagrams

    8. Schematic Diagrams 8. Schematic Diagrams 8-1 Schematic Diagrams (This Document can not be used without Samsung’s authorization) CN06 YW396-09AV_WHT CBE2220BA CN03 YW396-04V CN02 YW396-05V 60HZ CN04 SMW250-03AV_RED IC01 TMP86CM49FG-CHUN A1-BETTER OPTION DSP1 CSE-5670B7-21 I-LED1 LED-S8 LED-S7 DSP2 LED-S6 HL-LED357B-A...
  • Page 69 .samsungportal .com cis .samsungportal .com Europe europe .samsungportal .com China china .samsungportal .com Asia asia .samsungportal .com Mideast & Africa mea .samsungportal .com © Samsung Electronics Co ., Ltd . May . 2008 Printed in Korea Code No . : DE68-04953A...

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