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Dishwasher

DMT300 series training

Jan 2010

Kitchen Solution Business Team

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Содержание DMT300 Series

Страница 1: ...Dishwasher DMT300 series training Jan 2010 Kitchen Solution Business Team...

Страница 2: ...cation a Features and functions b Specification II Hardware a Wiring diagram b Schematic III Disassembly IV Trouble Shooting a Error message b Trouble shooting flow c Error Trouble shooting V Referenc...

Страница 3: ...ype Button operation Dimension W x D x H 23 7 8 x 24 3 4 x 33 7 8 inch 605 x 627 x 860 mm Sales Point Flexible Style Inclined Rack System Height adjustable Upper Basket Upgraded Kitchen Pleasant kitch...

Страница 4: ...Features Dishwasher Features...

Страница 5: ...Functions Control Panel...

Страница 6: ...er pressure 140 830 kPa 20 120 psi Wash method Rotating nozzle spray type Dry method Air vent dry system Power consumption Standard cycle 1 03 KWh 10 Power Circulation Motor 185W 15 or below Heater 11...

Страница 7: ...lon Coating Gray Color Nylon Coating Basket Stair Style Basket Stair Style Basket Sensor Inlet Temp Water Level Rinse Leakage Inlet Temp Water Level Rinse Leakage Rinse Supplement Direction Yes Yes Ha...

Страница 8: ...Wiring Diagram...

Страница 9: ...Schematic diagram...

Страница 10: ...Schematic...

Страница 11: ...Schematic...

Страница 12: ...Schematic Sub PCB...

Страница 13: ...lectric power supply water supply before servicing any electrical component making ohmmeter checks or replacing any parts Caution Make sure to remove remain water in the dishwasher If not wet the floo...

Страница 14: ...l of leakage sensor terminal of the shutter 3 After checking the thermistor location unscrew 2 screws fixating the case sump 4 Disassemble the wire connected to the thermistor CHECK LIST Be careful of...

Страница 15: ...eparate the upper and lower baskets from the dish washer 2 Separate the lower nozzle 3 Separate the duct nozzle 4 Disassemble the sump ass y and separate the cover sump cover heater Disassembly and Re...

Страница 16: ...heater turn the holder heater in CCW direction to disassemble it 7 Set the product upright and open the door to pull out the heater Be careful of the interference with the heater bracket Disassembly a...

Страница 17: ...e terminals 2 units of the pump drain 3 Turn the pump drain in CCW direction to pull it out Disassembly and Reassembly 3 PUMP DRAIN CHECK LIST Be careful of the residual water inside the unit from pri...

Страница 18: ...water supply hose connected to the water supply valve disassemble the water supply valve 2 screws 4 Hold the water supply valve and pull it up to separate the clamp Check List Always lock the water su...

Страница 19: ...e door and pull out the upper and lower Baskets 2 Separate the top bottom and duct nozzle 3 Disassemble the sump ass y and separate the cover sump cover heater 4 Disassemble the circulation impeller a...

Страница 20: ...f circulation motor 8 Disassemble the circulation motor and separate it from the sump ass y Check List Be careful of the residual water inside the unit from prior wash Check the voltage of ends 120V C...

Страница 21: ...up injuring the worker Therefore be careful 2 After separating the fan motor terminal and thermal actuator terminal put the front frame ass y down on the floor 3 Pull out the terminal of the door S W...

Страница 22: ...B ass y 4 screws Separate all the terminals of PCB Caution When separating the terminal always turn the power off before working PCB tact ass y disassembly 5 Disassemble the PCB tact ass y 3 screws Ca...

Страница 23: ...e floor 3 Disassemble the terminal connected to the dispenser You must disassemble both the left and right terminals 4 Unscrew 6 screws fixating the dispenser It is fixed to the tub front with a hook...

Страница 24: ...erminal and thermal actuator terminal put the front frame ass y down on the floor 3 Disassemble the bracket cover fan 1 screw 4 Disassemble the cover fan by rotating it CCW Use a jig If you have no ji...

Страница 25: ...ssemble of case vent 3 screws 10 Separate the case vent U and case vent L Caution Be careful not to break the hook Check List Because there is a risk of leakage after replacement check whether it is s...

Страница 26: ...ate the case brake and cover brake Caution When disassembling you must use the jig for the cover brake If you have no jig you can use a pair of long nose pliers Check List Measure voltage of micro S W...

Страница 27: ...ole sensor 2 units from the cover sensor Separate the terminal of the pole sensor Check List Measure the voltage of micro S W ends It is normal when the voltage is 0 5V or below after water supply is...

Страница 28: ...move the two 2 distributor motor connectors 4 Remove the two 2 screws that hold the distributor Motor in place You can remove one of the two screws through the hole in the base Pull the distributor mo...

Страница 29: ...frame R you can check the fuse relay 3 Separate the terminal of relay Unscrew the screws of relay using short body screwdriver Disassembly and Reassembly 11 Relay Check List If reassemble the terminal...

Страница 30: ...water supply does not occur 5 minutes after the water supply starts Alien particles within water supply valve Water supply valve terminal not connected Possible defect Main PB Water supply valve Flow...

Страница 31: ...ection of the power supply of main PBA normal Sub PBA ASSY is defective Please replace it Is the voltage between No 6 and 7 pin of CN7 connector of main PBA 4 5V or above and the voltage between No 6...

Страница 32: ...n PBA ASSY is defective Please replace it Is the main relay working normally Refer to Main relay is not working Connect the drain pump terminal firmly Low Level Sensor is defective Please replace it C...

Страница 33: ...ds and the stops Main relay is defective Please replace it PCB ASS Y is defective Please replace it Lock the water faucet and turn off the power Use the unit when the water supply is normal Open the w...

Страница 34: ...defective Please replace it N Y N Y Troubleshooting and Adjustment Resolution by symptom 4 When dry is not working Is the wire connection firmly connected Is the dispenser normal Y N Is the Dispenser...

Страница 35: ...lation Motor Heater Thermistor Heater Error If Low Level S W is detected before Circulation Motor is operating Sanitize LED will blink Circulation Motor and Heater will be operated When the temperatur...

Страница 36: ...Trouble Shooting Program chart...

Страница 37: ...emove the connector before measuring Normal Approx 1 2 k Faulty Replace the Inlet Valve 6 Check whether the Inlet Valve is operating normally Check the operation of the Inlet Valve Normal 120V Check t...

Страница 38: ...e 2 Check the operation of the Low Level Sensor See the Low Level Water Error 3 Check the connections for the Drain Pump connector Reconnect the Drain Pump connector 4 Check whether the Drain Pump coi...

Страница 39: ...ow Level Sensor Remove foreign material from the floater Normal Replace the Main PBA assy Faulty Replace the Low Level Sensor Remove foreign material from the floater Normal Replace the Main PBA assy...

Страница 40: ...r disconnect circuit breaker or power cable Faulty Replace the Heater 3 Check the connections of the Heater Relay Check the voltage between the red wire of the Heater Relay on the base and the yellow...

Страница 41: ...rflow Sensor connector Reconnect the Overflow Sensor connector 2 Check whether the Inlet Valve operates normally See Water supply Error 3 Check whether water is supplied even small amounts in the inte...

Страница 42: ...nnect the Thermistor connector 2 Check whether the Thermistor is operating normally Measure the voltage between both ends of the Thermistor Normal 0 2 to 4 5V Measure the resistance between both ends...

Страница 43: ...art Remove Retainer Check voltage 4 Check the DC voltage of the Main PBA See Main PBA DC voltage error Main PBA DC Voltage Error None Check the DC voltage of the Main PBA Measure the voltage between p...

Страница 44: ...nce for the Circulation Motor coil Remove the connector before measuring Normal Approx 14 2 Faulty Replace the Circulation Motor 4 Check the operation of the Circulation Motor Relay Check the operatin...

Страница 45: ...he door is closed Reconnect the Door Sensing Switch connectors 2 Check the operation of the Door Sensing Switch Remove the connector before measuring Check the blue wire and the switch connected to th...

Страница 46: ...use a 12V line If the switch is out of order the Power Relay and the Heater Relay will not operate Faulty Replace the Door Switch 3 Check the driving signals for the power relay Measure the voltage b...

Страница 47: ...onnector Reconnect the Dispenser connector 3 Check the resistance of the Dispenser Remove the connector before measuring Normal Approx 2 3 k Faulty Replace the Dispenser 4 Check the operation of the D...

Страница 48: ...Thermal Actuator Remove the connector before measuring Normal Approx 1 45 k Faulty Replace the Thermal Actuator 5 Check the operation of the Fan Motor Relay Check the operating voltage between the whi...

Страница 49: ...e Sub PBA connector Reconnect the Sub PBA connectors 2 Check the LED and Input Key 1 Push Normal Heavy Power Key 2 Push Normal Key 4 times 3 Push all key except Start Pause Key Normal All LED is light...

Страница 50: ...tly Check whether they are fastened with the specified torque 5 Remove foreign material Check whether any foreign material such as soil wire scraps and screws are in the dishwasher Check whether any f...

Страница 51: ...Model Number Naming Rules...

Страница 52: ...Thanks SAMSUNG...

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