spin cycle won't work

First unplug it for 5 minutes to allow it to reset. Next is to try to expand exactly what it will and won't do to try to narrow it down. A muli-meter is a must have for diagnostics.

Motor Coupling

If the washer won't spin or agitate the motor coupling might have failed. The motor coupling connects the motor to the washer transmission. It is designed to fail if the washer is overloaded in order to protect both the motor and transmission.

Drive Belt

If the washer won't spin or agitate, check the drive belt. If the belt is broken or if it isn't tight on the pulleys the washer won't spin or agitate properly.

Lid Switch Assembly

If the washer won't spin the lid switch assembly might be defective. This is a very common problem. The lid switch assembly can fail either mechanically or electrically. Test any electrical switches with an Ohm meter for continuity. The switches should have continuity according to their design.

Drive Motor

If the washer won't spin or agitate the drive motor might be defective. This is not common. Check all of the other related parts to this symptom before replacing the motor. If the motor is visibly burned out or physically damaged, replace it.

Rotor Assembly

If the washer won't spin or agitate the rotor assembly might be bad or damaged. The rotor is essentially one half of a motor, it interacts with the tub by creating a strong electro-magnet. If the rotor fails or is damaged the washer might not spin or agitate. Check the rotor for damaged magnets or other defects.

Door Latch

If the washer won't spin or agitate the door latch should be checked. The door latch can fail either mechanically or electrically. Test any switches on the door lock with an Ohm meter. The switches should have continuity according to their design.

Door Lock Motor and Switch Assembly

If the washer won't spin or agitate the door lock assembly should be checked. The door lock can fail either mechanically or electrically. Test any switches on the door lock with an Ohm meter. The switches should have continuity according to their design.

Motor Control Board

If the washer won't spin or agitate the motor control board might be defective. The motor control board provides power to the motor as well as direction and force. If the motor control board is defective the washer may not work at all or function properly.

Transmission

If the washer won't spin or agitate the transmission might be worn out or defective. There are numerous more likely causes when a washer won't spin, which should be checked first.