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Samsung FX710 Series Repair Manual
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Samsung FX710 Series Repair Manual

Samsung FX710 Series Repair Manual

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Gas Oven Repair Guide
[ FX710*, FX510*]
Ver. Aug-2013
Ignition
• Cooktop ignition
Failure
• Oven ignition
Heating
• Oven
defect
• Cooktop
Abnormal
• Button, Motors
Flame
• Lamp
• Smell, Smoke, Noise
Others
• No Display, Key Panel
Error
• Sensors
Code
• Temperature control
- 1/36 -

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Summary of Contents for Samsung FX710 Series

  • Page 1 Gas Oven Repair Guide [ FX710*, FX510*] Ver. Aug-2013 Ignition • Cooktop ignition Failure • Oven ignition Heating • Oven defect • Cooktop Abnormal • Button, Motors Flame • Lamp • Smell, Smoke, Noise Others • No Display, Key Panel Error •...
  • Page 2 #1. Symptom : Ignition Defect (Cooktop) 1-1. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code Electrode defect  Crack & clip fastening Electrode Clip  Wire damage  Connection check Spark module ...
  • Page 3 #2. Symptom : Ignition Defect (Oven) Repair 계통도 2-1. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code HSI defect  HSI Crack inspection Wire  HSI connection Harness inspection Temp. Sens. defect ...
  • Page 4 #3. Symptom : Heating Defect (Oven) 3-1. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code Temp. Selection  Temp. Selection Program defect inspection Temp. Sens. defect  Sensor inspection Temp. Wire Sensor Harness ...
  • Page 5 #4. Symptom : Heating Defect (Cooktop) 4-1. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code Orifice defect  Orifice Diameter Nozzle inspection  Orifice check for debris Gas leak / Regulator Gas Line ...
  • Page 6 #5. Symptom : Flame Defect (Cooktop) 5-1. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code Cooktop Burner/Cap defect  Burner, Cap mounting Burner inspection Flame Defect  Burner, Cap check for debris Orifice defect ...
  • Page 7 #6. Symptom : Other Defects 6-1. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code Gas Leak Gas Line  Gas main pipe connection area leakage check  Gas line and manifold crack &...
  • Page 8 #6. Symptom : Other Defects 6-2. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code Breaker / Power  Wire harness coating Power cord defect condition check cord  Breaker Spec defect Wire connection ...
  • Page 9 #7. Symptom : Error Code 7-1. Repair Schematic Chassis Project Basic Model Type FX710 Gas Oven Vulcan FX510 Block Check-1 Cause Check-2 Code Key panel  Key panel surface Main (Membrane switch) damage Panel  Ribbon cable insert condition check (Tilted) ...
  • Page 10 Tip 1-1. Electrode Inspection “Electrode wire and fastening Clip conditions” inspection. Check Point Step 1 ① Check if power comes on. ② Check if any Sparks are coming from the Electrode. Step 2 ① If there are no Sparks, Check the Electrode & Spark module wiring. ②...
  • Page 11 Tip 1-2. Spark Module Inspection “Spark module state and Wire connection state” inspection. Check Point Step 1 ① Check if power comes on. ② Check if any Sparks are coming from the Electrode. Step 2 ① If there are no Sparks, Check the Electrode & Spark module wiring. ②...
  • Page 12 Tip 1-3. Switch Ignition Inspection “Switch ignition state and Wire connection state” inspection. Check Point Step 1 ① Check if power comes on. ② Check if any Sparks are coming from the Electrode. Step 2 ① If there are no Sparks, Check the Switch Ignition & Spark module wiring. ②...
  • Page 13 Tip 1-4. Burner, Cap Inspection “Burner, Cap debris and mounting state” inspection. Check Point Step 1 ① Check if any Sparks are coming from the Electrode. ② Check if the gas supply valve is opened completely. Step 2 ① Check the Burner, Cap for any foreign debris. (Food particles or Aluminum tip) ②...
  • Page 14 Tip 1-5. Nozzle Inspection “Orifice debris and Orifice Diameter” inspection. Check Point Step 1 ① Check if Cooktop / Oven is operating properly. ② Check if the gas supply valve is opened completely. Step 2 ① Check that the gas pressure is not above 7”WC. ②...
  • Page 15 Tip 1-5. Nozzle Inspection “Orifice debris and Orifice Diameter” inspection. Check Point ※ Cooktop Orifice Diameter Spec Sheet per Product 1.01 1.01 1.92 - 15/36 -...
  • Page 16 Tip 1-6. Regulator, Gas Leak Inspection “Regulator damage, Shut-off lever, Gas leak” inspection. Check Point Step 1 ① Check if any Sparks are coming from the Electrode. ② Check if the gas supply valve is opened completely. Step 2 ① Check if GBR’s Shut-off lever is in open state. ②...
  • Page 17 Tip 2-1. HSI Inspection “HSI damage and ignition state” inspection. Check Point Step 1 ① Check if power comes on. ② Check if the gas supply valve is opened completely. ③ Check if HSI ignites properly when Oven starts. Step 2 ①...
  • Page 18 Tip 2-2. Temperature Sensor Inspection “Temp. Sensor connection and resistance value” inspection. Check Point Step 1 ① Check if power comes on. ② Check if the gas supply valve is opened completely. ③ Check the Temp. Sensor connection. Step 2 ①...
  • Page 19 Tip 2-3. Assy PCB Inspection “Temp. Sensor connection and resistance value” inspection. Check Point Step 1 ① Check the PCB terminal’s input voltage. ② Check connection on each PCB terminal. Step 2 ① Check the PCB input voltage (normal : 120V). ②...
  • Page 20 Tip 2-4. Safety Valve Inspection “Safety valve connection and resistance value” inspection. Check Point Step 1 ① Check the Safety valve connection. ② Check if HSI ignites properly when Oven starts. Step 2 ① Check the Safety valve terminal current value at Oven start. (normal : 3.3~3.6A) ②...
  • Page 21 Tip 3-1. Temperature Selection Inspection “Conversion on / off state” inspection. Check Point Step 1 ① Verify with the customer the difference between actual temperature and the product’s Temp. sensor temperature. Step 2 ① Press the Convection bake + 0 keys and check if Conversion is on/off. ②...
  • Page 22 Tip 3-2. Door Close Inspection “Conversion on / off state” inspection. Check Point Step 1 ① Check if the Door closes properly. Step 2 ① Check the Display while the oven is operating for the word ‘Door’. ② Check if any heat is leaking excessively around the unit during Oven operating.
  • Page 23 Tip 5-1. Cooktop Flame-Out / Low Flame is Large “Orifice debris and Orifice Diameter” inspection. Check Point Step 1 ① Check if the gas supply valve is open completely. ② Check if the unit is igniting when Cooktop start. Step 2 ①...
  • Page 24 Tip 6-1. Smell / Smoke Inspection “Air shutter opening area” inspection. Check Point Step 1 ① Check if the gas supply valve is open completely. ② Check if Self Clean was used at least once before first time use. Step 2 ①...
  • Page 25 Tip 6-2. Door / Drawer Open/Close Defect “Door / Drawer Assy and Open/Close interference “ inspection. Check Point Step 1 ① Check the Door / Drawer for any assembly issues. Step 2 ① Check the Hinge for any stuck debris or deformations. →...
  • Page 26 Tip 6-3. Cooktop Abnormal Noise “Orifice debris and orifice Diameter” inspection. Check Point Step 1 ① Check if it’s a Spark operating noise, or gas flow noise. Step 2 ① Check that there is no gas pressure above 7”WC. ② Check if GBR is appropriately selected with NG / LP mode. ③...
  • Page 27 Tip 6-4. Convection Operation Inspection “Convection operation and abnormal noise” inspection. Check Point Step 1 ① Check if the Conv. Fan motor is connected properly. ② Check for any abnormal noise during Conv. Mode operation. ③ Check if Blade is rotating properly during Conv. Mode operation. ④...
  • Page 28 Tip 6-5. Circuit Breaker Inspection “Wire harness coating condition inspection. Check Point Step 1 ① Check if the Breaker Spec is appropriate for product use (Allowable Current >20A). ② Check if the Extension cord is appropriate for product use (Allowable Current >...
  • Page 29 Tip 6-6. Wire Harness Connection Inspection “Wire harness coating condition inspection. Check Point Step 1 ① Check that the Power cord is connected properly. Step 2 ① Check that the PCB is connected properly. . PCB power input terminal : check if not connected properly, or Pin disconnected - 29/36 -...
  • Page 30 Tip 6-7. Membrane Key Operation Inspection “Key operating conditions inspection. Check Point Step 1 ① Check if Keys operating properly. Step 2 ① Check if the Membrane ribbon cable is properly connected. ② If issue persists after reconnecting the ribbon cable, inspect the Membrane ribbon cable.
  • Page 31 Tip 6-8. Membrane Switch Deformation “Key operating conditions inspection. Check Point Step 1 ① Check if Keys operating properly. Step 2 ① Check if Membrane Switches are deformed or damaged. ② Explain to the customer that if an excessively large pot is used, or if pot is used too closely to the Control Panel, the heat from the Oven vent and burner can cause damage to the Membrane Switch.
  • Page 32 Tip 7-1. Key Panel Short (-SE-) Check “Key panel appearance” inspection. Check Point Step 1 ① Check for any imprints or dents on the Key Panel. Step 2 ① Check if Key Panel ribbon cable connector is inserted properly. → over-insert, moisture intrusion Connection status Moisture...
  • Page 33 Tip 7-2. Temperature Sensor Open(E-27), Short(E-28) Check “Temperature Sensor” assembly and component inspection. Check Point Step 1 ① If E-27 error is displayed, check that the Temp. Sensor is connected properly. Step 2 ① Measure temperature Sensor resistance value– ( normal - at room temp : ~1080Ω ) Step 3 ①...
  • Page 34 Tip 7-3. E-08 (Preheat fail) Inspection “Gas supply “ or “HSI ignite” inspection. Check Point Step 1 ① Check if the gas supply valve is open completely. ② Check if the Cooktop is igniting. ③ Check that the gas pressure is normal, at 7”(NG), 11”(LP) Step 2 ①...
  • Page 35 Tip 7-4. E-0A (Overheating Defect) Inspection “Gas supply “ or “HSI ignite” inspection. Check Point Step 1 ① Check that the gas pressure is normal, at 7”(NG), 11”(LP) Step 2 ② Check that GBR is set up appropriately with NG / LP setting. ②...
  • Page 36 Tip 7-5. E-0E Error Inspection “Door Lock Motor” & “Door Lock Switch” connection inspection. Check Point Step 1 ① Check if Door Lock Motor is connected properly. ② Check if PCB is connected properly. (CN 501) Step 2 ① Check if input voltage to Door lock motor is 120V. ②...

This manual is also suitable for:

Fx510 series