Samsung WF455ARGSWR/AA Manual

WASHING MACHINE

Technical Information

Code No. : DC68-03152A_EN

• Due to possibility of personal injury or property damage, always contact an authorized

technician for servicing or repair of this unit.

• Refer to Service Manual for detai LCD / LED installation, operating, testing, troubleshooting, and

disassembly instructions.

Models : WF457AR*

WF455AR*

All safety information must be followed as provided in Service Manual.

CAUTION

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

Model : WF457AR* Model : WF455AR*

(Techsheet)WF457AR-03152A_EN_20120404.indd 1 2012-04-04 �� 12:12:25

ALIGNMENT AND ADJUSTMENTS

GENERAL ERROR FUNCTION

Error Code

(Diagnostic Code

Error Image)

Description Corrective Action

1 dc An unbalanced load that prevents

your washer from spinning.

Redistribute the load, press the Start/

Pause button.

2 dS The door is open when the washer is

running.

Close the door tightly and restart

the cycle. If the code reappears, call

customer service.

3 FL Your washer failed to lock the door.

Make sure the door is rmly closed.

Press the Power button to turn o

your washer, then turn it on again.

If the code reappears, call customer

service.

4 Hr A water temperature control problem.

(Heater control problem) Call customer service.

5 LE Your washer has tried to ll, but has

not reached the proper water level. Call customer service.

6 LO The door will not unlock.

Make sure the door is rmly closed.

Press the Power button to turn o

your washer, then turn it on again.

If the code reappears, call customer

service.

7 nd

Your washer is not draining. This can

also mean that the unit senses a small

clog while draining.

1. Turn o the unit for 10 seconds and

then turn it on again.

2. Select the Spin Only cycle.

3. Press the Start/Pause to drain the

water.

If it still does not drain, call for service.

8 nF

Your washer has tried to ll but was

unsuccessful.

Make sure the water faucets are open

all the way. Check for bent hoses.

Check the inlet screens on the hoses.

If you are using a Flood Safety Device,

please remove the device and connect

the water hoses directly to the unit.

Check if the hot water supply hose is

connected.

You must connect the hot water supply

hose because hot water is supplied by

the Auto Temperature Control (A.T.C.)

function if the temperature of the cold

water is lower than 59°F.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

(Techsheet)WF457AR-03152A_EN_20120404.indd 2 2012-04-04 �� 12:12:25

ALIGNMENT AND ADJUSTMENTS

Error Code

(Diagnostic Code

Error Image)

Description Corrective Action

9 nF1

The hot/cold water hose connection is not

correct.

Please connect the hot/cold water

hose connection correctly.

10 OE A fault is detected in the water level

sensor. Call customer service.

11 1E The Water Level sensor is not working

properly. Call customer service.

12 E2 A jammed key. Call customer service.

13 tE A temperature sensor problem.

Press the Power button to turn o

your washer, then turn it on again.

If the code reappears, call customer

service.

14 3E A motor problem. Restart the cycle. If the code

reappears, call customer service.

15 2E High/Low voltage detected. Restart the cycle. If the code

reappears, call customer service.

16 AE A Communication error between the

SUB(Sensor) PBA and the MAIN PBA Call customer service.

17 AE4

A Communication error between the

WIFI PBA and the MAIN PBA

Call customer service.

18 AE3 A Communication error between the

DR Module and the MAIN PBA Call customer service.

19 AE5 A Communication error between the

LCD PBA and the MAIN PBA Call customer service.

20 8E A MEMS sensor problem. Call customer service.

SF1

SF2

SF3

A system error Call customer service.

22 SUdS

Too many suds are detected during the wash session. The unit is put on hold

until the amount of suds have been reduced. The unit will then go back to

operating. When it nishes washing, the “End” and “SUdS” codes will blink in

turn.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

(Techsheet)WF457AR-03152A_EN_20120404.indd 3 2012-04-04 �� 12:12:25

ALIGNMENT AND ADJUSTMENTS

TEST MODE

Model: WF455AR*

Model: WF457AR*

Test Mode:

Each Test Mode for the GRACE S is as follows in the coming pages.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

Special Test Mode

Power O State Quick Test Mode

Service Mode

Quick Spin Test Mode

Cycle Count Check Mode

S/W Version Check Mode

Fast Time Down Test Mode

Board Input Test Mode

Diagnostic Code

CheckMode

Demo Mode Wash

EEPROM Clear

Mode

Power On State

(Normal User Mode)

Special Test Mode

Power O State

Quick Test Mode

Service Mode

Demo Mode

Quick Spin Test Mode

Cycle Count Check Mode

S/W Version Check Mode

Fast Time Down Test Mode

Board Input Test Mode

Diagnostic Code

CheckMode

EEPROM Clear

Mode

Power On State

(Normal User Mode)

Special Test Mode

Power O State Quick Test Mode

Service Mode

Quick Spin Test Mode

Cycle Count Check Mode

S/W Version Check Mode

Fast Time Down Test Mode

Board Input Test Mode

Diagnostic Code

CheckMode

Demo Mode Wash

EEPROM Clear

Mode

Power On State

(Normal User Mode)

Special Test Mode

Power O State

Quick Test Mode

Service Mode

Demo Mode

Quick Spin Test Mode

Cycle Count Check Mode

S/W Version Check Mode

Fast Time Down Test Mode

Board Input Test Mode

Diagnostic Code

CheckMode

EEPROM Clear

Mode

Power On State

(Normal User Mode)

(Techsheet)WF457AR-03152A_EN_20120404.indd 4 2012-04-04 �� 12:12:26

ALIGNMENT AND ADJUSTMENTS

Quick Test Mode

Model: WF455AR*

Model: WF457AR*

Denition of Quick Test Mode:

- Check operation of all LED’s (Verify faulty LED).

- Check model and software version.

- Check dierent operating modes (e.g. water valve, motor, door, drain pump, etc.).

How to Enter:

Model : WF455AR*

- Plug in the unit.

- Press Soil Key, Spin Key and Power Key at the same Time.

Model : WF457AR*

- Press Start button and Power button at the same Time for 1 second or less.

(factory mode over 1 second pressing)

- If ‘02’ or ‘01’ are displayed, machine entered factory mode. Turn o the machine and try again.

✻Before entering QuickTest Mode, turn on AP.(WiFi AP)

After entering QuickTestMode, WiFi testing is done automatically.

If there is “AE4” error check WiFi module in LCD Module.

✻Press the Start button after the AE3 or AE4 error occurs to cancel the error notication and

continue quick test mode.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

(Techsheet)WF457AR-03152A_EN_20120404.indd 5 2012-04-04 �� 12:12:26

ALIGNMENT AND ADJUSTMENTS

Model : WF455AR*

1. All LED’s light up and it sends out Beep

Sound when it enters into the Quick Test

Mode. (Including 7-Segment)

2 Displays software version for a sec and Clear

EEprom. (Ex. If S/W Version is 49, 7-Segment

will display Y349)

3. When the version is displayed, turn the

Jog-Dial. Press the following keys to test the

various components.

- Temp Key : Water Valve Test

- Spin Key : Door Lock/Unlock Test

- Soil Key : Water Heater Test

- Steam : Drain Pump / Bubble Pump /

Direct Valve Test

Model : WF457AR*

1. Displays software version for a sec and Clear

EEprom. (Ex. If S/W Version is 49, 7-Segment

will display Y349)

2. Press the following keys to test the various

components.

- No.1 Key : Water Valves Test

- No.2 Key : Door Lock/Unlock Test

- No.3 Key : Drain Pump / Bubble Pump /

Direct Valve Test

- No.4 Key : Water Heater Test

Quick Test Mode:

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

Quick Test Mode

S/W Version display

All LEDs On for 1 sec

(include 7-Segment)

All Devices Test using keys

Temp Key Soil Key SteamSpin Key

Quick Test Mode

S/W Version display

All Devices Test using keys

1 Key 3 Key 4 Key2 Key

(Techsheet)WF457AR-03152A_EN_20120404.indd 6 2012-04-04 �� 12:12:26

ALIGNMENT AND ADJUSTMENTS

Service Mode

Denition of Service Mode:

- Service Mode enables service technicians to verify the operation of the washing machine and

do troubleshooting.

- Service Mode can be entered during all washing cycle without interrupting the cycle except

some of test modes.

- Various tests can be done with Service Mode. So, troubleshooting can be done based on the

resulting diagnostic codes.

- If ¨AE3¨ or ¨AE4¨ error occured, press the Start button then error will be cleared.

How to Enter:

Model : WF455AR*

- To enter the Service Mode, press the Signal and Extra Rinse Keys for 3 seconds or until the unit

sends out beeping sounds.

Model : WF457AR*

- Method 1 : Select Title Option “1” on Course Selection Mode. “ Press Extras for 3 Seconds.

- Method 2 : Tap “3” three times “ Tap “4” two times “ Tap “3” once On the Progress Mode.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

(Techsheet)WF457AR-03152A_EN_20120404.indd 7 2012-04-04 �� 12:12:27

ALIGNMENT AND ADJUSTMENTS

Service Mode:

1. The washer must be on to go into the Service Mode.

2. The motor speed will be displayed when started (It displays 0 when the motor does not spin).

3. The present state of the machine will not be changed.

(i.e., the current cycle in progress will not be interrupted and only the display will change)

4. Following Instructions To exit Service Mode.

Model : WF455AR*

- Press Signal and Extra Rinse Keys for 3 second again, or Power Key.If no key is operated during

Service Mode for 5 minutes, the machine will return to normal user mode.

Model : WF457AR*

- Tap Segment “4 “ three times “ Tap Segment “1” two times “ Tap Segment “4” once On the Service

Mode. If no key is operated during Service Mode for 5 minutes, the machine will return to

normal user mode.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

WF457AR* Service Mode

WF455AR* Service Mode

Signal + Extra Rinse

3 sec

Service Mode is canceled if no key is pressed for 5 minutes

before the washer operation begins. However, this is not true

when the washer operation has already started.

Power On State

(Normal User Mode) Service Mode

(Techsheet)WF457AR-03152A_EN_20120404.indd 8 2012-04-04 �� 12:12:27

ALIGNMENT AND ADJUSTMENTS

Quick Spin Test Mode

Model : WF455AR*

Denition of Quick Spin Test Mode:

- Quick Spin Test Mode is to do Spin Check. (High RPM)

How to Enter:

- During Service Mode, press the Delay Start + Rinse Add Keys for 3 seconds to enter Quick Spin Test Mode.

- Cannot enter once the washing cycle has started.

Quick Spin Test Mode:

As it enters into the Quick Spin Test Mode, it starts spinning and reaches to its maximum RPM.

Once the Spin speed reaches the maximum RPM, the speed drops immediately.

To hold Quick Spin Test Mode (entering Hold Speed Mode), press the Start/Pause button. If the

Start/Pause button is pressed during Quick Spin Test Mode, it will stop accelerating and hold its

spinning speed for 10 minutes before going back to Quick Spin Test Mode.

Also, to cancel the hold and allow Quick Spin Test Mode to continue, press the SPIN Key If you

PressSPIN key when the washing machine is not in Hold Speed Mode, Quick Spin Mode is exited

and Service Mode is restored.

Model : WF457AR*

Denition of Quick Spin Test Mode:

- Quick Spin Test Mode is to do Spin Check. (High RPM)

How to Enter:

- Press “Spin” On the Service Mode.

- Cannot enter once the washing cycle has started.

Quick Spin Test Mode:

As it enters into the Quick Spin Test Mode, it starts spinning and reaches to its maximum RPM.

Once the Spin speed reaches the maximum RPM, the speed drops immediately.

To hold Quick Spin Test Mode (entering Hold Speed Mode), press the Start/Pause button. If the

Start/Pause button is pressed during Quick Spin Test Mode, it will stop accelerating and hold its

spinning speed for 10 minutes before going back to Quick Spin Test Mode.

Also, to cancel the hold and allow Quick Spin Test Mode to continue, press the SPIN Key If you Press

SPIN key when the washing machine is not in Hold Speed Mode, Quick Spin Mode is exited and

Service Mode is restored.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

Delay Start + Rinse Add

for 3sec or after 10 minutes

Delay Start + Rinse Add

3 sec

While a cycle is not running

While it is not in Hold Speed Mode

Service Mode

Start/PauseQuick Spin Test Mode Hold Speed Mode

Delay Start + Rinse Add

(Techsheet)WF457AR-03152A_EN_20120404.indd 9 2012-04-04 �� 12:12:27

ALIGNMENT AND ADJUSTMENTS

Cycle Count Check Mode

Denition of Cycle Count Check Mode:

- Cycle Count Check Mode is to tally up the number of washings.

How to Enter:

Model : WF455AR*

- To enter the Cycle Count Check Mode, press the Signal Key during Service Mode.

Model : WF457AR*

- Press “2” on The Service Mode.

Cycle Count Check Mode:

1. Activate the Service Mode in advance.

2. When the Signal key is pressed, the total number of washings will light up and a signal LCD /

LED will glow.

3. The maximum number of cycles will be 9999.

The counter will roll over to 0 and start counting again after 9999.

4. The counting will be carried out at the end of the normal cycle.

(For normal and Continuous Run cycles, the count is carried out at the end of the cycles.

5. To exit the Cycle Count Check Mode, press the “Signal” key again.

S/W Version Check Mode

Denition of S/W Version Check Mode:

- S/W Version Check Mode is to bring up S/W Version information.

How to Enter:

Model : WF455AR*

- To enter the S/W Version Check Mode, press the Soil Level Key during Service Mode.

Model : WF457AR*

- Press “4” On the Service Mode.

S/W Version Check Mode:

1. Activate the Service Mode in advance.

2. Press the Soil Level Key to bring up its software Version

EX) Generate dE49 at Version 49 (dE is Micom code, 49 is it’s software version)

3. To exit the S/W Version Check Mode, press the Soil Level S/W once again.

Then, it returns to the Service Mode with motor RPM illuminating.

To avoid risk of electrical shock, personal injury or death; disconnect power to washer

before servicing, unless testing requires power.

WARNING

WF455AR* : Signal

WF457AR* : 2 Key

Service Mode Cycle Count

WF455AR* : Soil Level

WF457AR* : 4 Key

Service Mode S/W Version Check

Mode

(Techsheet)WF457AR-03152A_EN_20120404.indd 10 2012-04-04 �� 12:12:28

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