Samsung WF435ATGJRA/A1 Manual
WASHING MACHINE
Technical Information
Code No. : DC68-03152B_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 detail installation, operating, testing, troubleshooting, and
disassembly instructions.
Model: WF435A*GJ**
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
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ALIGNMENT AND ADJUSTMENTS
2
GENERAL ERROR FUNCTION
NO
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
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ALIGNMENT AND ADJUSTMENTS
3
NO
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 8E A MEMS sensor problem. Call customer service.
18
SF1
SF2
SF3
A system error Call customer service.
19 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
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ALIGNMENT AND ADJUSTMENTS
4
TEST MODE
Test Mode:
Each Test Mode for the GRACE S is as follows in the coming pages.
Quick Test Mode
How to Enter:
- Plug in the unit.
- Press Soil Level Key, Spin Key and Power Key at the same Time.
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)
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ALIGNMENT AND ADJUSTMENTS
5
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 Level Key : Water Heater Test
- Steam : Drain Pump / Bubble Pump / Direct Valve Test
Service Mode
Denition 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.
How to Enter:
- To enter the Service Mode, press the Signal and Extra Rinse Keys for 3 seconds or until the unit
sends out beeping sounds.
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 Level Key SteamSpin Key
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ALIGNMENT AND ADJUSTMENTS
6
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.
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.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
WARNING
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
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ALIGNMENT AND ADJUSTMENTS
7
Quick Spin Test Mode
Denition 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.
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
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ALIGNMENT AND ADJUSTMENTS
8
Cycle Count Check Mode
Denition of Cycle Count Check Mode:
- Cycle Count Check Mode is to tally up the number of washings.
How to Enter:
- To enter the Cycle Count Check Mode, press the Signal Key during 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 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
Denition of S/W Version Check Mode:
- S/W Version Check Mode is to bring up S/W Version information.
How to Enter:
- To enter the S/W Version Check Mode, press the Soil Level Key during 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
Signal
Service Mode Cycle Count
Soil Level
Service Mode S/W Version Check
Mode
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ALIGNMENT AND ADJUSTMENTS
9
Fast Time Down Test Mode
Denition of Fast Time Down Test Mode:
- Fast Time Down Test Mode is to forward the program to the next cycle stage.
How to Enter:
- To enter the Fast Time Down Test Mode, press the Temp. key during Service Mode.
Fast Time Down Test Mode:
1. Activate the Service Mode in advance.
2. To forward the program to the next cycle stage, press the Temp. key.
Each stage is located at key points of a complete cycle as follows:
- End of Each Fill (Beginning of Wash or Rinse Tumble Session)
Caution: Check if the current water level is higher than the Reset water level and then perform
the Fast time down test.
- Beginning of Drain Session
- Beginning of Spin Session (Here, it checks the water level. So, if it is over the reset level, it carries
out draining before the spinning.)
- Beginning of Fill Session
- Beginning of Bleach Fill
- Beginning of Fabric Softener Fill
- Every 3 minutes during Wash and Rinse Tumble Session
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
WARNING
Temp.
Service Mode Fast Time Down
Test Mode
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ALIGNMENT AND ADJUSTMENTS
10
Board Input Test Mode
Denition of Board Input Test Mode:
- Board Input Test Mode is to displays a specied Input after a key press.
How to Enter:
- To enter the Fast Time Down Test Mode, press the Temp. key During Service Mode.
Board Input Test Mode:
- If the product enters Board Input Test Mode, ‘in’ is displayed.
- The information that is displayed in the Board Input Test is as follows.
1. The Water Temperature in Celsius.
2. The Water Temperature in Fahrenheit.
3. The door status (OP if open, CL if closed).
4. The Door Lock Switch status (UL if unlocked, LO if locked).
5. The Water Level Pulse
- You can change each information using the Cycle Selector.
To avoid risk of electrical shock, personal injury or death; disconnect power to washer
before servicing, unless testing requires power.
WARNING
Extra Rinse
Service Mode Board Input Test
(Techsheet)WF435A_03152B_EN.indd 10 2012-06-12 �� 3:13:56
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