Samsung WA45M7050 Fast Track Troubleshooting page 20

Problem
Will Not Unlock
No Key Operation
Will Not Drain
Wrong Water Temperature
Noisy and/or Vibration/Walking
Buttons do not Respond
• 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).
• Option and Function buttons respond differently according to each cycle.
• Child Lock is being activated. To exit, hold down Spin level key and soil leve
• When "End" illuminates on the display, only Power button works. Press Pow
• Check for any kink on the drain hose. If any, straight it out.
• Check for any restriction in the drain hose.
• Close the door and press the Start/Pause Button. For safety reasons, the w
• When it is freezing outside. check if it is frozen inside the drain hose.
• Check if the water level signal input is correct. Go to Board Input Test Mode
• Go to Quick Test Mode and do Drain Pump Test.
• Check if there is any twist in the hose (the one between Tub and Drain Pum
• Check if it reads AC 120V at the pump when a spin cycle is selected.
• Read the winding resistance of the pump motor. (15±10% Ohms)
• Check the pump at Pin #3 of CN6 and pin #7 of CN4 on PCB.
It should read AC 110~120V. (Refer to PCB Connector Check)
• Check if both of the water taps are fully open.
• If the water heater is located far from the washer. screw out the hot wate
• Too Hot/Too Cold: Reduced amount of water is supplied while PCB controls
This may appear to be significantly hotter/colder than expected.
• Check if the temperature selection is correct.
• Disconnect inlet hoses from the Water Valve and remove any residue in th
• Check if the washer is leveled and the lock nuts are tightened up on the bo
• Check if all of the shipping bolts and spacers are removed from the back
• Check if load is big enough and there is no unbalance. If there is not enoug
• Check if the motor is fastened enough.
• Remove various trouble contributors (such as dust coat on the floor).
• Option and Function buttons respond differently according to each cycle.
• Child Lock feature has been selected. To disable feature press and hold Te
• When display shows "E d , only the Power button will function. Press Power
What to