Samsung FX710 Series Assembly instructions

- 1/36 -

Gas Oven Repair Guide

[ FX710*, FX510*]

•Cooktop ignition

•Oven ignition

Ignition

Failure

•Oven

•Cooktop

Heating

defect

•Button, Motors

•Lamp

Abnormal

Flame

•Smell, Smoke, Noise

•No Display, Key Panel

Others

•Sensors

•Temperature control

Error

Code

Ver. Aug-2013

- 2/36 -

#1. Symptom : Ignition Defect (Cooktop)

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

Cooktop

Ignition Defect

Electrode defect

Crack & clip fastening

Wire damage

Connection check

1-1

Electrode

Clip

Spark module

defect

Check for normal

voltage

Connection check

1-2

Spark

Module

Electrode

Switch

Ignition

Switch ignition

defect

Crack & wire damage

Connection check

1-3

Switch

Ignition

Spark

Module

Burner / Cap

defect

Burner, Cap mounting

inspection

Burner, Cap check for

debris

1-4

Burner

Cap

Orifice defect

Orifice Diameter

inspection

Orifice check for

debris

1-5

Nozzle

Gas leak /

Regulator defect

Gas main pipe

connection leak check

Gas line and manifold

crack & leak

GBR Shut-off operation

check

NG/LP condition

check

1-6

Regulator

Gas

Line

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

1-1. Repair Schematic

- 3/36 -

#2. Symptom : Ignition Defect (Oven)

Repair 계통도

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

Oven

Ignition Defect

HSI defect

HSI Crack inspection

HSI connection

inspection

2-1

HSI

Wire

Harness

Temp. Sens. defect

Sensor Inspection

Connection check

2-2

Temp.

Sensor

Wire

Harness

Assy PCB defect

PCB inspection

(Components/Pattern

damage, connection,

Relay inspection)

2-3

Assy PCB

Safety valve defect

Current measurement

check

2-4

Safety

Valve

Gas leak /

Regulator defect

Gas main pipe

connection area

leakage check

Gas line and manifold

crack & leak

GBR Shut-off operation

check

NG/LP condition

check

1-6

Regulator

Gas

Line

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

2-1. Repair Schematic

- 4/36 -

#3. Symptom : Heating Defect (Oven)

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

Oven

Heating

Defect

Temp. Selection

defect

Temp. Selection

inspection

3-1

Program

Temp. Sens. defect

Sensor inspection

Connection check

2-2

Temp.

Sensor

Wire

Harness

Assy PCB defect

PCB inspection

(Components/Pattern

damage, connection,

Relay inspection)

2-3

Assy PCB

Orifice defect

Orifice Diameter

inspection

Orifice check for

debris

1-5

Nozzle

Gas leak /

Regulator defect

Gas main pipe

connection area

leakage check

Gas line and manifold

crack & leak

GBR Shut-off operation

check

LNG/LPG condition

check

1-6

Regulator

Gas

Line

Door Open/Close

defect

Door assembly

condition check

Gasket check

3-2

Door

Gasket

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

3-1. Repair Schematic

- 5/36 -

#4. Symptom : Heating Defect (Cooktop)

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

Cooktop

Heating

Defect

Orifice defect

Orifice Diameter

inspection

Orifice check for

debris

1-5

Nozzle

Gas leak /

Regulator defect

Gas main pipe

connection area

leakage check

Gas line and manifold

crack & leak

GBR Shut-off operation

check

NG/LP condition

check

1-6

Regulator

Gas Line

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

4-1. Repair Schematic

- 6/36 -

#5. Symptom : Flame Defect (Cooktop)

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

Cooktop

Flame Defect

1. Yellow tip

2. Lifting

3. Flame-Out

Burner/Cap defect

Burner, Cap mounting

inspection

Burner, Cap check for

debris

1-4

Burner

Cap

Orifice defect

Orifice Diameter check

Check Orifice for

debris

1-5

Nozzle

Gas leak /

Regulator defect

Gas main pipe

connection area

leakage check

Gas line and manifold

crack & leak

GBR Shut-off operation

check

NG/LPGcondition

check

1-6

Regulator

Gas Line

Flame-out defect

Valve inspection

5-1

Valve

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

5-1. Repair Schematic

- 7/36 -

#6. Symptom : Other Defects

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

Smell, Smoke

Defect

Gas Leak

Gas main pipe

connection area

leakage check

Gas line and manifold

crack & leak

1-6

Gas Line

Burner/Cap defect

Burner, Cap mounting

inspection

Burner, Cap check for

debris

1-4

Burner

Cap

Air shutter defect

Air shutter opening

area inspection

6-1

Oven

Burner

Air

Shutter

Open/Close

Defect

Assy Door /

Drawer Part and

Open/Close check

Hinge inspection

Open/Close

interference check

Drawer assembly

condition check

Drawer part check

6-2

Hinge

Assy

Door

Noise

Defect

Cooktop noise

defect

Burner, Cap mounting

inspection

Check if Spark noise,

or Gas noise

Orifice spec check

6-3

NDF

Nozzle

Burner

Convection Fan

noise defect

Fan cover casing check

Fan operation check

6-4

Fan Motor

Cover

Casing

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

6-1. Repair Schematic

- 8/36 -

#6. Symptom : Other Defects

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

No Power

Breaker / Power

cord defect

Wire harness coating

condition check

Breaker Spec defect

6-5

Power

cord

Wire connection

issue

Wire connection

inspection (P/cord,

PCB connector, Main

relay terminal)

6-6

PCB defect

PCB inspection

(Components/Pattern

damage, connection,

Relay inspection)

2-3

PCB

Button

Operation

Defect

Membrane panel

Key issue

Panel key operation

and ribbon cable

connection defect

6-7

Membrane

Switch

Deformation

Defect

Membrane Switch

Deformation defect

Customer usage : Too

large of a pot or using

pot too close to Key

panel

6-8

Membrane

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

6-2. Repair Schematic

- 9/36 -

#7. Symptom : Error Code

Check-1

Cause

Check-2

Tip

Code

Block

# 1

# 2

# 3

Key panel

(Membrane switch)

Key panel surface

damage

Ribbon cable insert

condition check (Tilted)

Tail pattern corrosion

and short

7-1

Key

Panel

Main

PBA

E-27

Temperature

Sensor

Open

Sensor wire

disconnect

Sensor resistance

value check

7-2

Wire

Harness

Sensor

E-28

Temperature

Sensor

Short

Sensor resistance

value check

Main PBA short and

other abnormality

7-2

Sensor

Main PBA

E-08

Preheat Fail

(not reach preheat

target temperature)

Gas supply defect

HSI ignition defect

Safety valve defect

7-3

HSI

Safety

Valve

Main

PBA

E-0A

Over Temperature

Excessive gas supply

Temp. Sensor defect

PCB defect

7-4

Main

PBA

Temp.

Sensor

E-0E

Door Locking

defect

Connection

Door switch defect

Door lock motor

Latch assembly

condition

7-5

Door

Switch

Door

Lock

Motor

Door

Latch

Chassis

Project

Basic Model

Type

Gas Oven

Vulcan

FX710

FX510

7-1. Repair Schematic

- 10/36 -

Step 1

①Check if power comes on.

②Check if any Sparks are coming from the Electrode.

Step 2

①If there are no Sparks, Check the Electrode & Spark module wiring.

②Check the Electrode wire for signs of melting or other damage.

③Check the Electrode fastening clip and Electrode fixed state.

④Make sure there are no movements of the Electrode

(In the case of Wire melting, sparks will come out of the melted area and

it will fail to ignite)

Check Point “Electrode wire and fastening Clip conditions” inspection.

Tip 1-1. Electrode Inspection

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