Samsung BQ1VQ6T012 Service Manual Download Page 42

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Replace TCO

Note : When oven is operating , if main power off,

power oven off, in temporary temperature rise,

TCO is possible will can open.

TCO Open

Check wire short and operation

of a sensor

- Colling motor, Conveclion Motor

check

• Motor Connect wire Remove

- Motor Resistor check

(Cooling motor: 238Ω

Convection Motor: 218Ω)

- Motor Terminal Voltage check

Replace Motor

- PCB SMPS

Input Voltage check

(input check point: 5V, 230V)

Repair Faulty wiring

- PCB SMPS

output Voltage

check

(output check point: 5V, 12C)

Replace PCB

- PCB Relay contact short check

Replace PCB

YES

4-1-14 TCO Open

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Summary of Contents for BQ1VQ6T012

Page 1: ...ecification 3 Disassembly and Reassembly 4 Troubleshooting 5 Exploded Views and Parts List 6 PCB Diagrams 7 Wiring Diagrams 8 Schematic Diagrams BASIC BQ1Q4T090 MODEL BQ1VQ6T012 MODEL CODE BQ1VQ6T012 XEF Downloaded from www Manualslib com manuals search engine ...

Page 2: ... 14 Replacement of Duct Cover Bracket Spring Duct Ceramic Filter 21 3 15 Replacement of Motor Convection 22 3 16 Replacement of Heater Convection twin 23 3 17 Replacement of Assy Partition S W 23 3 18 Replacement of Thermostat 24 3 19 Replacement of Terminal Block 24 3 20 Replacement of Sensor Thermistor 24 3 21 Replacement of Heater Grill 25 3 22 Replacement of Heater Bottom 25 3 23 Replacement o...

Page 3: ...ocks Do not apply AC power to the unit or any of its assem blies unless all solid state heat sinks are correctly installed 9 Some semiconductor solid state devices are easily damaged by static electricity Such compo nents are called Electrostatically Sensitive Devices ESDs Examples include integrated circuits and ﬁeld effect transistors Immediately before handling any semiconductor components or a...

Page 4: ...al Tact Touch Dial Display 2 Layer LED 2 Layer LED Cleaning Method Oven Steam Self Steam Self Descaling Heater Drop Down Fixed Electric Features Oven Temp Ranges Single 40 300 C 300 C Grill only 40 270 C 270 C Grill only Upper or Lower 170 250 C 170 250 C Grill Heater In Out 1600W 1100W 1600W 1100W Bottom Heater 1100W 1100W Convection Heater Upper Lower 1200W 1200W 1200W 1200W Energy Class A A A A...

Page 5: ... 3 Large grill Yes Yes LOWER Mode 1 Convection Yes Yes 2 Bottom heat convection Yes Yes 3 Steam cook Yes 4 Steam assist cook Yes Control Features Clock Yes Yes Child Safety Lock Yes Yes Hidden Sound On Off Yes Hidden Yes Hidden Count Timer Yes Yes Cook Time Yes Yes End Time Yes Yes Oven Temp Yes Yes Steam Cleaning Yes Yes Self Cleaning Yes Yes Language Option No No Light On Off Yes Yes Sound Smart...

Page 6: ...o Q ty Rack wire DG59 00001A 1 RACK WIRE ROAST DG59 00004A 1 Front tray Baking a DG63 00012A 1 Front tray Baking B DG63 00011A 1 Assy partition DG97 00015A 1 STEAM glass STEAM tray sub STEAM tray DG01 00010A DG63 00246A DG63 00242A 1 Downloaded from www Manualslib com manuals search engine ...

Page 7: ... Nut Driver 2 Type 7mm 3 Remarks Heater bracket Nut 1 Tool Nut Driver 2 Type 9mm 3 Remarks Convection Fan Nut 1 Tool Longnose 2 Remarks Tube Clamp You must remove it before the repair 3 2 Replacement of Case upper Cover back Downloaded from www Manualslib com manuals search engine ...

Page 8: ... Explaination Photo Explaination Tube 1 Prepare long nose to remove the Tube clamp 2 Grab the Tube clamp with long nose 3 remove the Tube clamp 4 remove the Tube The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 9: ...s grasp the middle sides of the oven door 3 Rotate the door by approx 70degree until the hinges can be taken out completely from the hinges holes The Assembly is reverse order of disjointing 3 Disassembly and Reassembly 3 4 Replacement of Door Assembly Downloaded from www Manualslib com manuals search engine ...

Page 10: ...ENTION The glass may break if you use force especially on the edges of the front sheet Parts Explaination Photo Explaination Door Glass 1 Remove the two screws of the left and right sides of the door 2 Take off the door bracket Printing Glass 1 3 Detach the inner glass 1 number 1 from the door When assembly the inner glass 1 put printing to direction below The Assembly is reverse order of disjoint...

Page 11: ... 4 Detach the inner glass 2 and spring brackets from the door Holder Glass Rubber Door Bracket Glass 1 Glass 2 Glass 3 Glass 4 3 5 Replacement of Door Glass Continued The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 12: ... Explaination Lamp Bulb 1 To remove the glass cover hold the lower end with one hand insert a flat sharp implement such as a table knife between the glass and the frame and pop out the cover 2 If necessary replace the halogen bulb with a 25 40 watt 230 V 300 C heat resistant halogen oven light bulb Tip Always use a cloth when handling a halogen bulb to avoid depositing oils from your fingers on to...

Page 13: ...coder Parts Door Lock Pump Motor Assy Inlet Explaination Photo Explaination 1 Remove one connector from the main pcb 2 Remove two Tubes and one connector at assy inlet 3 Remove 3 screws at both sides and top inside of assy control box lift up assy control box and pull forward to separate The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 14: ... 12 3 8 Replacement of Assy Control Box Continued Remove 2 screws Remove 11 screws Remove one connector Remove 4 screws Downloaded from www Manualslib com manuals search engine ...

Page 15: ...aination Photo Explaination Tube Steam Module 1 Remove the control box 2 Remove the 3 tubes 3 Remove the 2 connectors and 4 hook 4 Remove the 4 screws The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 16: ...be Steam Module Continued Parts Explaination Photo Explaination Tube Steam Module 5 Remove the Pump Motor 6 Remove 2 rubbers The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 17: ...harness from the hook on assy steam module and separate the 1 tube from assy steam generator 2 Remove 7 connectors and 2 TCO from the assy steam generator Lower Lamp is optional 3 Seperate the 2 tubes 4 Remove 5 screws The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 18: ...over upper steam There are totally 4 hook that each has different direction 6 Seperate right and up side hook first 7 Seperate left and up side hook also 8 Seperate last 2 hook 3 10 Replacement of Assy Steam Module Continued The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 19: ...e assy steam generator 11 Seperate the right side hook by using a flat head screwdriver And then remove the water valve 12 Seperate the 4 hook by using a flat head screwdriver And then remove the assy water tank 3 10 Replacement of Assy Steam Module Continued The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 20: ...heck the right assembly with hook Water valve 1 Insert left side of water valve into hook 2 Press the right side of water valve Assy Steam generator 1 Insert left side of assy steam generator into hook 3 11 Assembly for Main Assy Steam module part Downloaded from www Manualslib com manuals search engine ...

Page 21: ...2 Press the right side of assy steam generator Connectors and Assy steam module 1 Check the right position between assy steam module hole and connector 3 11 Assembly for Main Assy Steam module part Continued Downloaded from www Manualslib com manuals search engine ...

Page 22: ...arts Explaination Photo Explaination Assy generator sub 1 Remove 2 connectors 2 Remove the 2 tubes and 2 screws 3 12 Replacement of Assy generator sub Downloaded from www Manualslib com manuals search engine ...

Page 23: ...arts Explaination Photo Explaination Fan Cooling 1 Remove two screws and turn toward the clockwise to separate Parts Explaination Photo Explaination Fan Cooling 1 Remove 6 screws from ass y cover cooling motor The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 24: ...ion 4 Remove two connector from convection motor 5 Remove turn toward the counter clockwise to separate Reference Convection fan is turn in the opposite direction each other for improvement cook performance Upper fan is turn in counter clockwise direction Lower fan is fan turn in clockwise direction therefor convection fan direction and netflange are opposited each other Convection fan is indicate...

Page 25: ... convection twin at the rear 3 Pull the securing bracket at the left forward and pull it toward the left to separate heater convection twin 3 17 Replacement of Assy Partition S W Parts Explaination Photo Explaination Partition S W 1 Remove a connector 2 Remove two screws The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 26: ...t of Thermostat 3 19 Replacement of Terminal Block Parts Explaination Photo Explaination Thermostat 1 Unfold one point Parts Explaination Photo Explaination Sensor Thermistor 1 Remove one screws 3 20 Replacement of Sensor Thermistor The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 27: ...placement of Heater Grill Parts Explaination Photo Explaination Heater Grill 1 Remove the four connectors 2 Remove each nut frange at right and left sides 3 Turn the upper nut circular inside the cavity to the counterclockwise to release pull heater girll forward to separate The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 28: ...laination Assy PCB Parts Main PCB 1 Remove a screw 2 Seperate 3 hook 3 24 Replacement of Assy Door Lock Parts Explaination Photo Explaination Assy Door Lock 1 Remove two screws The Assembly is reverse order of disjointing Downloaded from www Manualslib com manuals search engine ...

Page 29: ...sensor short Steam generator sensor short Sensor Short Error It occurs due to a defective sensor misplaced wires a defective PCB It may occur when the ambient temperature falls under 5 C 4 1 2 Safety Error Error Code Gerneral Function Solution Page Overtime Temp Time 100 C 16 hours 105 C 240 C 8 hours 245 C 4 hours This error occurs when the oven works during CUT OFF TIME in the same mode and at t...

Page 30: ...of cooking compart ment s temperature This error occur immediately after the temperature of cooking compartment reaches 350 C This error occurs when a fire occurs inside cooking compartment or the temperature cannot be con trolled because of sensor s failure Cooling motor lock sensed This error occurs when the temperature sensor on the Main PCB senses abnormal temperature It occurs 30 60 minutes a...

Page 31: ...roperly Does the voltage change as the humidity temperature and weight change Replace the sensor Check if the sensor wire is damaged if the housing is loose and if the sensor and the wire are properly connected Check if the voltage of the GND and sensor changes using a digital multi meter by forcefully changing the humidity temperature and weight Connect the sensor Connect the wire properly S W Er...

Page 32: ...sor and related parts such as the connector or soldering parts are slightly shorted Remove the shorted part of the temperature sensor Remove any foreign Substance from the shorted part YES NO YES YES NO NO YES NO Sensor Short Error E 28 E 2A E 2C E 72 Is the sensor shorted The sensor is out of order Replace the sensor Perform the operation again and check if it is working properly S W Error After ...

Page 33: ...rking properly S W Error Is a specific key not recognized Is the key recognized intermittently The membrane is defective Replace the Control Panel Is the key not recognized at all After Power On does the symptom continue Replace the PCB 4 1 5 SE Downloaded from www Manualslib com manuals search engine ...

Page 34: ...l temperature Is it temperature 100 C in oven Is it temperature 105 C 240 C in oven Is it temperature 245 C in oven Does same error arise S W Error S W Error Does same error arise Does same error arise Has it worked for 8 hours continuously Has it worked for 6 hours continuously Has it worked for 4 hours continuously Turn the oven off and let it cool sufficiently After Power On does the symptom co...

Page 35: ...per Lower Mode Is the Divider detection S W out of order Is the Divider detection S W connected properly Are the connections in the Main PCB normal Connect correctly Connect correctly wire S W Error After Power On does the symptom continue Replace the PCB Perform the operation again and check if it is working properly Remove the Divider 4 1 7 dE Downloaded from www Manualslib com manuals search en...

Page 36: ...emperature of the PCB over 90 C An E 2b error occurred Insert the temperature sensor An E 0b error occurred Check the Motor drive part Is the Cooling Motor rotating The temperature sensor is out of order Replace the temperature sensor Perform the operation again and check if it is working properly S W Error After Power On does the symptom continue Replace the PCB 4 1 8 E 0b Downloaded from www Man...

Page 37: ...r E 08 Is the heater temperature very low Is the temperature sensor connected properly Is the resistance between the heater terminals more then a few MΩ Check the heater related drive part Replace the heater Reconnect the temperature sensor properly Replace the heater Does the heater work S W Error After Power On does the symptom continue Replace the PCB Perform the operation again and check if it...

Page 38: ...O NO YES Steam generator temp Error E 73 Is the PCB part shorted Temp sensor malfunction Replace the Assy steam generator Does the steam generator temp sensor work Replace the PCB Perform the operation again and check if it is working properly 4 1 10 E 73 Downloaded from www Manualslib com manuals search engine ...

Page 39: ...rk Connect steam generator water level connector Replace the Water Valve Is steam generator water level connector disconnected Perform the operation again and check if it is working properly YES NO S W Error After Power On does the symptom continue Replace the PCB 4 1 11 E 78 Downloaded from www Manualslib com manuals search engine ...

Page 40: ...en internal temperature reached over 350 degrees Is the temperature sensor connectivity normal Is the Heater connectivity normal An E 09 error occurred An E 24 E 0A error occurred Reconnect the temperature sensor properly Check and repair the heater drive part if necessary S W Error After Power On does the symptom continue Replace the PCB Perform the operation again and check if it is working prop...

Page 41: ...ck voltage 230V Reset The circuit braker or Check main power NO TCO open Check main TCO Convection TCO Replace TCO NO Check the input voltage of PCB SMPS input checkpoint 230V Repair Faulty wiring NO 4 1 13 Power Failure Downloaded from www Manualslib com manuals search engine ...

Page 42: ...tor Connect wire Remove Motor Resistor check Cooling motor 238Ω Convection Motor 218Ω Motor Terminal Voltage check Replace Motor PCB SMPS Input Voltage check input check point 5V 230V Repair Faulty wiring PCB SMPS output Voltage check output check point 5V 12C Replace PCB PCB Relay contact short check Replace PCB YES NO NO YES YES NO YES YES NO YES NO NO 4 1 14 TCO Open Downloaded from www Manuals...

Page 43: ...ay Reset the circuit braker or check main power Repair Faulty wiring or PCB check Check Terminal block voltage 230V Replace Safety Relay Do all relays operate After Lamp On Safety Relay Contact point ON 12V Check the operating Base voltage 0V of Safety Relay Replace PCB YES NO YES NO NO NO Check fuse protecting SMPS Replace PCB YES YES YES YES NO YES NO NO YES Replace PCB YES NO 4 1 15 PCB Failure...

Page 44: ...ating elements Perform PCB Check Process TCO Open Check Relay Terminal Volt age 230V Replace heater After removing Heater Wire Check Heater resistance Large G 32 8Ω Small G 48 6Ω Bottom 48 1Ω Conv 44Ω Check heater s terminal volt age 230V YES NO YES YES YES NO NO NO 4 1 16 Failure of heating elements Downloaded from www Manualslib com manuals search engine ...

Page 45: ...M242 H051 H052 G005 M017 M264 B028 B048 M251 H106 H107 H094 M229 P186 H050 W006 M482 P329 M236 H005 H057 H048 P229 U029 Z031 P225 U028 H049 H058 H048 H049 C003 C195 C003 P284 M262 H111 M013 M032 M003 P214 D120 M241 M007 P282 M392 M258 M260 M261 M302 H008 M294 M293 M370 M015 M279 M248 U013 M265 M249 M250 M277 Downloaded from www Manualslib com manuals search engine ...

Page 46: ...n Parts List SNA SERVICE NOT AVAILABLE No Code No Description Specification Q ty SA SNA Remark M260 DG61 00056A SUPPORT MOTOR COOLING PA66 GF15 BT63BSS 1 SA Downloaded from www Manualslib com manuals search engine ...

Page 47: ... 45 5 2 Main Parts List No Code No Description Specification Q ty SA SNA Remark Downloaded from www Manualslib com manuals search engine ...

Page 48: ... SNA SERVICE NOT AVAILABLE No Code No Description Specification Q ty SA SNA Remark D105 V002 V002 D106 D109 P420 D049 D110 D113 D151 P421 D015 D019 D147 D049 ASSY DOOR Downloaded from www Manualslib com manuals search engine ...

Page 49: ...AILABLE No Code No Description Specification Q ty SA SNA Remark C009 C236 C235 C074 C001 C048 C154 Y101 C082 C187 C360 C185 C360 C190 C197 C188 Y102 C187 C352 C188 C178 C082 ASSY CONTROL BOX Downloaded from www Manualslib com manuals search engine ...

Page 50: ... 48 5 5 Standard Parts List SNA SERVICE NOT AVAILABLE LEV EL Code No Description Specification Q ty SA SNA Remark Downloaded from www Manualslib com manuals search engine ...

Page 51: ...nal for Connecting with Door Lock motor 16 RY108 Uppwe lamp Relay Uppwe lamp control 6 CN106 Neutral upper lower lamp A Terminal for Connecting with Neutral upper lower lamp 17 RY109 Lower lamp Relay Lower lamp control 7 CN107 Spit Upper lower fan Cooling fan A Terminal for Connecting with Spit Upper lower fan Cooling fan 18 RY111 Spit Relay Spit Source 8 CN108 Door latch Door sensing A Terminal f...

Page 52: ... 50 7 Wiring Diagram This Document can not be used without Samsung s authorization 7 1 Wiring Diagram Downloaded from www Manualslib com manuals search engine ...

Page 53: ...IC104 KIA7812API CN302 SMW250 04_BLU 1 D105 1N4007 R402 2K 2K R405 5V R321 D301 MM4148 R306 5V 5V 2K 470 MM4148 D205 D210 MM4148 1 3 5 7 9 5V CN201 SMW250 09A_RED 2K R325 TR202 KRC246 KRC246 TR215 ZNR101 560V TVR14561 TR102 KRC246 R413 200K C306 200K R412 10uF C202 10nF 6V R103 47K 3 4 5 6 R901 5 1K SMW250 06 WHT CN301 1 2 R702 330 TR101 KRA226 RY211 G5T 1A ASI 12VDC G5T 1A ASI 12VDC RY210 SMW250 ...

Page 54: ...vice Partner Network Contry Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com Samsung Electronics Co Ltd April 2011 Printed in Korea Downloaded from www Manualslib com manuals search engine ...

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