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Samsung DV50FA9 Fast Track Troubleshooting

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Models:
DV50FA9
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
Fast Track Troubleshooting
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.
Publication # nwDV50FA9 Revision Date 06/13/13
Electrical Dryers 240 VAC, 60 Hz, 30 Amps, 3
-wire or 4-wire installations
Gas Dryers 120 VAC, 60 Hz, 15 Amps, 3-wire
installations
Location consideration In the USA

All Dryers Must be vented to the outside.

Only rigid or flexible metal duct should be
used for venting.
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Summary of Contents for Samsung DV50FA9

  • Page 1 Gas Dryers 120 VAC, 60 Hz, 15 Amps, 3-wire http://my.plus1solutions.net/clientPortals/samsung/ installations Help — GSPN http://service.samsungportal.com/ Samsung Product Support TV Location consideration In the USA http://support-us.samsung.com/spstv/howto.jsp Customer information videos and chat programs  All Dryers Must be vented to the outside.
  • Page 4 ► CN2 ► CN5 1. Communications Port(Rx) 1. STEAM VALVE1 2. Communications Port(Tx) 2. Empty Pin 3. SUB RESET 3. LAMP 4. 5V ► CN3 4. Empty Pin 5. DGND 1. 5V 5. STEAM VALVE2 6. 12V 2. SO 6. Empty Pin 3.
  • Page 5 SUBJECT: Dryer belt slides off the pulley when Gas Valve Testing manually rotated counter-clockwise (ccw) Unplug connectors and test valve terminals SYMPTOM: The dryer drum will not turn. On occa- sions, the customer will rotate the drum counter (its numbering is from the front terminal.) clockwise (CCW) to check for any remaining Check across terminals #1 and #3 (Booster Coil).
  • Page 6 Testing Electric Heater circuit. Disconnect Blue wire from RY6, turn power on, start dryer read voltage between RY6 Blue wire and CN6 Green wire. Reading of 120VAC means a proper operating heater circuit. 0VAC means open in circuit. To test thermostats use ohm meter on lowest scale, any resistance replace component See page 4 for Main PCB layout for testing.
  • Page 7 RY 6 RY 5 Testing Main PCB power output to Heating & Motor circuit. With motor running in the heating mode, read AC voltage across RY6 and RY5. Any voltage reading means Main PCB is defective. See page 4 for Main PCB layout for testing. RY 5 Testing Motor circuit.