Over Level Water Error Samsung Dishwasher Download

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When, water, will, supply, Water, Main, error, Motor, sensor, Level, Sensor, level, Drain, Error, seconds, after, Possible, detected, during, LED), blink., defect, Heater, 120vac, Door, Circulation, ('Heavy', Auto‘, door, Smart

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# tsDMT400RF RevB 03/21/2011 1
Fast Track Troubleshooting
Models:
DMT400RHS/XAA
DMT400RHB/XAA
DMT400RHW/XAA
Publication # tsDMT400RF revision Date 03/21/2011
IMPORTANT SAFETY NOTICE – “For Technicians Only” This service data sheet is
intended for use by persons having electrical, electronic, and mechanical experience
and knowledge at a level generally considered acceptable in the appliance repair trade.
Any attempt to repair a major appliance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible, nor assume any liability for
injury or damage of any kind arising from the use of this data sheet.
Cycle Prewash
1
Prewash
2
Main wash Rinse
1
Rinse
2
Rinse
3
Last Rinse
[Sanitize]
Dry
(min.)
Water
[gal(ℓ)]
Time
(min.)
Normal
● Flex 120 ~ 138 ˚F
(49 ~59 ˚C)
Flex ● x 136 ˚F (58 ˚C)
[162 ˚F (72 ˚C)]
30 3.6~6.7
(13.6~25.2)
110~132
Heavy ● ● 140 ˚F (60
˚C) ● ● ●
158 ˚F (70 ˚C)
[162 ˚F (72 ˚C)]
40 8.1 (30.6) 152
Delicate ●
x 122 ˚F (50
˚C) ● ●
x 140 ˚F (60 ˚C) 30 4.7 (17.7) 107
Smart
Auto ●
Flex 122 ˚F~138
˚F (50~59 ˚C)
Flex ● x 136 ˚F (58 ˚C)
[162 ˚F (72 ˚C)]
30 4.7~6.7
(17.7~25.2)
100~149
• The numbers in parentheses in the Last Rinse column represent the temperature when you select Sanitize.
• When you select the Smart Auto or Normal cycle, you can eliminate the Flex (flexible) steps depending on the soil level
• The wash time varies with the steps or options you add, and on the pressure and temperature of the supplied water.
• When you select Half Load or Storm Wash, the cycle sequence remains the same. (DMT800)
• If “Rinse Refill” lamp lights during a cycle, the dishwasher adds 30 more minutes to the Drying cycle automatically after
the Clean light illuminates.
Dishwasher Cycle Chart — Air diffusion condensing Dry System
Which Detergent Ingredients Give Best Dishwasher Performance
Detergent with a separate rinse additive in the dispenser gives better drying performance.
For tough baked on soils an Enzyme detergent is better at hydration of the food soils.
For staining such as tomato, coffee and tea, a detergent with Chlorine bleach will work on the stains much better than
an Enzyme based detergent. Now that phosphate content in dishwasher detergent has plummeted to 0.5 percent from
as high as 8.7 percent, conditioned (soft) water is even more critical.
The reduction of phosphates may cause spots and film on dishes that can form when the minerals and food bits combine during the wash.
It is important to test water hardness for washability complaints.
SUPPORT INFORMATION
Training — Plus One
http://my.plus1solutions.net/clientPortals/samsung/
Help — GSPN http://service.samsungportal.com/
Samsung Product Support TV
http://support-us.samsung.com/spstv/howto.jsp
Customer information videos and chat programs
Programs for Fridges, Laundry, Ranges & D/W
# tsDMT400RF RevB 03/21/2011 2
Half Load Not Used
Ø
T
h e rm is to r R
e s is ta n c e (k Ω
)
T
e m p . (ºF
)
R
e s is ta n c e (k Ω
)
T
e m p . (ºF
)
1
2
5
.7
8
4
1
2
6
.0
6
5
1
0
4
9
8
.3
2
3
5
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7
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9
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1

Vent Wax Motor
Dispenser Wax Motor
# tsDMT400RF RevB 03/21/2011 3
CN101 Power
1 Ground (Yel/Grn)
3 120vac N (Yel)
5 120vac L (Blk)
CN302
2-Turbidity Transmitter (Red)
3-Trubidity Receiver (Vio)
4-Ground(Org)
5 + 5vdc (Pnk)
6-Rinse Sense (Yel)
CN301
1-Water Level Sensor (Brn)
2-Water Level Sensor (Red)
3-Water Level Sensor (Yel)
4-Water Level Sensor (Gry)
5-Overflow (S/Blu)
6-Flow Meter (Vio)
7 +5vdc (Pnk)
8-Leakage Sensor (Wht)
9-Thermistor (Blk)
10 +12vdc (Blu)
11-Door Sense (Blu)
CN201
1-(CN101-3) Disp Wax Mtr (Wht-Yel) 120vac
5-(CN101-3) Fan Mtr (S/Blu-Yel) 120vac
7-(CN101-3) Wash Mtr (Blu-Yel) 120vac
9-(CN101-3) Wash Mtr (Wht-Yel) 120vac
CN202
1-(CN101-3) Valve (Brn-Yel) 120vac
5-(CN101-3) Pump (Org-Yel) 120vac
CN102
1-6 (S/Blu-S/Blu)+5vdc
2-6 (S/Blu-S/Blu) +12vdc
T202-(CN101-3)
Heater (Red-Yel) (120vac)
T201 L1 (Blk)
(120vac)
Assy Case Vent
Assy Dry Duct
Assy Duct Condenser
Dry System
Single rear leg is
adjustable from
front. Retract to
remove D/W
Air Intake
Double Shaft Mtr
Air Exhaust
Sump & Heater
Main PCB
Main PCB is located
behind bottom
access panel
# tsDMT400RF RevB 03/21/2011 4
Leaking Code
Moisture creates resistance between the pins. ALWAYS
clean the area below the pins after troubleshooting.
Check Pump Ass’y for proper twist lock.
Condensation may form on the tray from uninsulated
outside walls or large hole in the floor to a cold basement.
Check Drain Hose for cut or small hole.
Check all components mounted to the sump for any
leakage.
Detergent Door Not Opening
1. Never overfill the dispenser compartment with powder or liquid, only go below or up to fill line.
2. If there is residue around the dispenser door area. Previously undispensed, partially dispensed, or door stuck close
issue) clean it with mild soap & water. The residue can foul the mating latch.
3. If the customer uses ―tablets‖ or some self contained type of soap tab, make sure it is fully seated and the door does
not ‗sandwich‘ it shut.
4. Make sure that in the rack nearest to the dispenser door when the door is shut, is not obstructing the opening of the
dispenser with some protruding utensil.
Testing The Detergent Door and Dispenser
1. Disconnect wires from disp. & close detergent door.
2. Connect Fused cheater cord and apply 120vac
3. In approximately 40 seconds the wax motor will open the door.
4. Remove power, allow wax motor to return.
5. Restore power to wax motor, in approximately 40 seconds the rinse aid will
be activated. Remove power.
6. Close detergent door to repeat test
Upper Nozzle : Remove it by rotating the holder. (counterclockwise)
Middle Nozzle : Remove it by rotating the holder. (counterclockwise)
Lower Nozzle : Pull it out carefully
from the Assy sump.
Vent seal actuated
by wax motor
# tsDMT400RF RevB 03/21/2011 5
Error Codes - DMT400 series
CODE
SYMBOL
Meaning Occurring condition Expected causes
Temp Sensor error
When 0.2V or below, or 4.5V or above
is maintained for over 3 seconds
Thermistor terminal is not connected
Possible defect: Thermistor Main PBA
Heater
error
When the temperature change is 4℃ or
less within the first 10 minutes after
the heating starts
Heater terminal is not connected
Possible defect : Main Wire-Harness,
Heater, Main PBA
High temp
Heating
error.
When the temperature of the Thermistor is 80℃ or above for more than 3
seconds during operation.
Water temperature is 80℃ or above
Possible defect : Thermistor , Main
PBA
Low-level
water error
1.When low level sensor is detected
over 5 seconds during wash operation, this error occurs.
2.When high level sensor is not
detected after water supply was done,
drain & refill the water. After then, if
high level sensor is not detected
again, this error occurred.
Water Level Sensor terminal is not
connected
Possible defect : Assy case sensor,
Water Level Sensor , Main PBA
Water
supply
error
1. When the pulse of 100 or less is detected even 73 seconds after the water
supply
2. When flow meter pulse is 5 or less
for 13 seconds after the water supply
starts
3. When the water supply is not finished until 6 minutes after the water
supply starts
Alien particles within water supply
valve
Water supply valve terminal not connected
Possible defect : Main PBA, Water
supply valve , Flow Meter
High temp
Water supply error
When 80℃ or above is detected during
water supply
Water supply temperature is 80℃ or
above
Possible defect: Thermistor, Main PBA
Drain error When OFF status of Low Level S/W is
not detected within 3 minutes during
the drain.
Alien particles clogging in drain hose
Drain pump terminal is not connected
Possible defect : Drain pump, Water
Level Sensor , Main PBA
Over-level
water error
When overflow detection AD data is
3.5V or below for 3 seconds. (When
leakage sensor detects 3.5V or below
for 1 second during water supply)
Alien particles within water supply
valve
Case Sensor part breakdown
Possible defect : Flow Meter, Main
PBA, Water supply valve
Leakage
error
When leakage sensor detects 3.5V or
below for 1 second
Possible defect : Each hose connection , Sump and Tub assembly, Drain
Pump assembly , Main PBA
Button
error
When the button is pressed continuously for over 10 seconds
Possible defect : Sub PBA in control
panel, Main PBA
Door open
warning
When door is open in washing period. Door is not close properly in test
mode only.
Possible defect : Door lock switch,
Main PBA
# tsDMT400RF RevB 03/21/2011 6
Press the ‗Heavy‘ + ‗Delicate‘ + ‗Power‘ buttons at the same time for two seconds to enter Service Inspection Mode.
All LEDs are displayed for the first two seconds and then Software-Ver. It will be indicated Binary Code using ‗Wash +
Dry + Clean + Child Lock‘ LED.
You can change the mode by pressing the Normal button once more. If press the Normal button in any mode, mode will
be changed to next mode.
If ‗Heavy + Quick‘ LED, ‗Heavy‘ LED or ‗Heavy + Delicate + Quick‘ LED error occur, enter the Service Inspection Mode
after resolving problem.
Service Inspection Mode is described in the table. When you activate this inspection mode, the door must be closed.
Mode Display Related
Parts
Symptoms Note
No.1
‗Smart
Auto‘ LED
•Drain
pump •Inlet
Valve •Flow
Meter •Water
Level Sensor •Turbidity
Door open
warning
Water supply
Error
Low level water Error
Turbidity Error
If Door is open, Door open warning (‗Delicate + Smart Auto‘ LED) will
blink. If low level sensor is not detected, Drain is executed. Water supply will be executed when low level sensor is detected. If water is not
fully supplied (sensing on flow-meter), the Water Supply Error (‗Smart
Auto‘ LED) will blink. When high level sensor is not detected after water
supply was done, Low-level water error (‗Normal + Heavy + Smart auto‘
LED) will blink. When Turbidity problem is occurred after water supply
was done, Turbidity Error (‗Normal + Heavy‘ LED) will blink. If all functions in this mode are completed, Wash LED will blink.
No.2 ‗Delicate‘
LED
•Circulation
Motor
A nozzle does
not inject water.
If Low Level sensor is detected before Circulation Motor is operating,
(‗Delicate + Sanitize‘ LED) will blink. When water is filled enough, Circulation Motor -2(190W) will be operated.
No.3 ‗Delicate‘
+ ‗Smart
Auto‘ LED
•Circulation
Motor
A nozzle does
not inject water.
If Low Level sensor is detected before Circulation Motor is operating,
(‗Delicate + Smart auto + Sanitize‘ LED) will blink. When water is filled
enough, Circulation Motor- 1(150W) will be operated.
No.4
‗Heavy‘
LED
•Circulation
Mtor •Heater
•Thermistor •
Dispenser
Heater Error
If Low Level sensor is detected before Circulation Motor is on, (‗Heavy +
Sanitize‘ LED) will blink. When water is filled enough, Circulation Motor
1(150W) and Heater will be operated. When the temperature meet 60℃
or above, the heater is turned off. If Heater or Thermistor have problems, the Heater Error (‗Heavy + Delicate‘ LED) will blink.
Dispenser will operate during 130 seconds only one time.
No.5 ‗Heavy‘ +
‗Delicate‘
+ ‗Smart
Auto‘ LED
•Dry Fan
Motor •
Dispenser
The Dry Fan
motor does not
work.
Operate the Dry Fan Motor and check whether Rinse aid is filled or not.
If there is not rinse aid in Dispenser, Rinse Refill lamp is ON.
No.6 ‗Normal‘
LED
Valve
Overflow
Over level
water Error
Water is supplied until Over-level water error (‗Heavy + Smart Auto‘
LED) is blinked. If Over-level water error occurs, overflow sensor OK.
No.7 ‗Normal
+ Smart
Auto‘
LED
Drain
Pump Water Level
Sensor
Drain Error
Drain pump will drain until low level sensor is detected.
If Low level sensor is not detected after 60 seconds, Drain Error
(‗Delicate‘ LED) will blink.
No.8
‗Normal‘
+
‗Delicate
‘ +
‗Smart
Auto‘
LED
•Inlet
Valve •Circ
ulation Motor •Dry
Fan Motor •Drain
Pump •Hea
ter
Operates each part when the key is pressed. (See the below)
When the 'Smart Auto' Key is pressed Water supply is On ('Smart
Auto' LED On) and pressed again it is Off ('Smart Auto' LED Off)
When 'Heavy' Key is pressed each time, it works the Circulation Motor
-1 is On ('Heavy' LED On) -> Off ('Heavy' LED Off) -> Circulation Motor-2 is On ('Heavy' LED On) -> Off ('Heavy' LED Off) -> Dry Fan Motor is On ('Heavy' LED On) -> Off ('Heavy' LED Off), Drain Pump is On
('Heavy' LED On) -> Off ('Heavy' LED Off). When 'Delicate' Key is
pressed, Heater is On ('Delicate' LED On during 2 seconds) and Off
automatically. When a different key is pressed during individual operation of the operating part, present operating part is stopped and the
applicable operation for the pressed key will start.
SVC inspection Mode- DMT400 series

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