Samsung WA45M7050 Fast Track Troubleshooting
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Samsung WA45M7050 Fast Track Troubleshooting

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Fast Track Troubleshooting
Model: WA45M7050
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 an personal injury and properly 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.

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Summary of Contents for Samsung WA45M7050

  • Page 1 Fast Track Troubleshooting Model: WA45M7050 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 an personal injury and properly damage.

  • Page 2: Support Information

    Support Information HELP: 1-888-751-4086 (Tech Sup. – ASC/SSD) 1-866-894-0637 (Tech Sup. - FE/ME) GSPN: http://gspn3.samsungcsportal.com/main.jsp PLUS ONE: http://my.plus1solutions.net/clientPortals/samsung Manual Checking Dampers and Drum_Video Smart Install Mode Smart Install Mode_Checking Error codes_Video...
  • Page 3 Automatic Mode of Smart Install Automatically start all operation modes of Smart Install. How to Enter Plug in the unit. Press Power key → Set Delay End Until 17h → hold Start/Pause x 7 sec = “AS”. Automatic Mode will activate all component checks automatically and will take approximately 2-3 minutes to complete. Press the START button to start Automatic Mode.

  • Page 4: Automatic Mode

    Automatic Mode Sub Mode Description Door Lock Drain Pump Prewash Valve
 4 CO Cold Valve 5 HO Hot Valve Heater Rinse Drain Pump Spin Test...

  • Page 5: Test Modes

    Sub Mode Description Not Used 10 Ot. Everything OK Test Modes Mode How to enter Smart Install 1. Standby 2. Set the scheduled time to 17:00 3. Press Start/Pause for 7 seconds 4. Smart Install Automatic check mode 1. Smart Install 2.
  • Page 6 Sub Mode Description 4 CO Cold Valve 5 HO Hot Valve Heater Rinse Drain Pump Spin Test Not Used 10 Ot. Everything OK While displaying “AS” press Delay End button to start Manual Test Mode. Manual Mode will activate one function at a time. Press the DELAY END button to navigate manual mode.
  • Page 7 How to Check Error Codes. Diagnostic Mode will show you up 7 stored Error / Check Codes. Power on & press Delay End until 17 is displayed (17, 17:00, or 17h). Hold down Start until AS appears. AS means Smart Install mode is active and ready to start. Press the Lower Right button (Super Speed) &...

  • Page 8: Error Codes

    Press Power button to finish the Test Mode Error Codes Error Type Error Mode Causes Water Level Sensor • Check if the water level sensor is defective. • Check if the water level sensor terminal is properly connected. • Check if the water level sensor hose is broken. •...
  • Page 9 Error Type Error Mode Causes Washing Motor Error • Washing motor fault and Hall Sensor Error • Washing motor hall sensor fault • Incorrect connections of the washing motor/hall sensor connect • Washing motor rotor and stator fault • Main PCB fault...
  • Page 10 Error Type Error Mode Causes Water Supply Error • This may occur when The water supply valve is defective. • This may occur when The main PCB is defective. • This may occur due to frozen water. Drain Error • This may occur when The drain pump is defective. •...
  • Page 11 Error Type Error Mode Causes Door Error • This may occur when the door switch is defective. • This may occur when the main PCB is defective.
  • Page 12 Error Type Error Mode Causes Door Error • The door lock switch unit is not inserted. • The door lock switch unit is damaged. • The wire is disconnected. • The door lock switch unit is defective. • This may occur due to a defect of the main PCB. Switch Error •...
  • Page 13 Error Type Error Mode Causes Water Leakage Error • This may occur when an alien substance is in the DV Case • This may occur due to a defect of the product's internal hose or from the part assembly Overflow Error •...

  • Page 14: Communication Error

    Error Type Error Mode Causes Unbalance Error • This may occur due to the laundry being unevenly distributed. Mems PBA Error • This may occur due to disconnection. • This may occur when the Mems PBA is defective. Temperature Sensor Error •...

  • Page 15: System Error

    Error Mode Corrective Actions Error Mode Corrective Actions - The signals between the sub and main PBAs are not sensed because of communication error. - Check the connector connections between the sub and main PBAs carefully. →Check for incorrect or loose connections, etc. Remove the sub PBA C/Panel and check for any - The signals between The DR Module and main PBAs are not sensed because of communication - Check The connector connections between The DR Module and main PBAs carefully.
  • Page 16 Resistance pins 1 & 2, 1 & 3, 2 & 3 between 10 to 12 ohms. Drain Motor Pump Check Check Voltage at Pin #3 of CN1 and Pin #5 of CN4 When Drain Pump operates = AC 120V Water Valves/ Check Check Voltage at Pin #3 of CN1 and Pin #1,2,3,4 of CN4 When Valves operates = AC 120V Clutch-Motor Check Voltage at Pin #3 of CN1 and Pin #8 of CN4...
  • Page 17 Sub PCB...
  • Page 18 Top Symptom Guide Problem What to Will Not Start • Plug the unit into the wall outlet. Check for proper voltage. • Check fuse or reset circuit breaker. • Push any key to turn on the washer and press the Start/Pause key to run th •...
  • Page 19 Problem What to Leaking • Make sure inlet hose connections are not leaking. Check for rubber gasket • Check standpipe for leak. Wrap a dry rag around the standpipe opening. I Be sure the standpipe is capable of accepting the flow of water from the w •...
  • Page 20 Problem What to Will Not Unlock • Display shows "LO". Turn off and on the unit. If LO keeps illuminating. check P • Read Lock Switch and PCB (CN3). (Refer to PCB Connector Check.) • Perform Quick Test Mode. Check Door Lock. Check the resistance for door If Approx 0.2 ohm between the terminal of contact (white-blue wire), and if not, change Rcb(refer to pcb connector check).

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