Possible fault in the timer unit as it fails to contact on the program set within . It will be good to have the contacts tigtened , use some degreasing spray to clean the contacts. make sure that the connections to the controller are tight.
If there is no result even after a cleaning it is possible that the timer controller unit is faulty and needs a replacement as it is not locking in unison with the program to the contacts.
replace with the same type, make sure that each connection is market and put in accordingly with a lot of attention and care not to misplace the leads.
If the washer will not agitate, spin or drain it's a motor problem, capacitor or a broken motor coupler. It's either a loose wire connection on the start circuit or failed contact in the timer. When you say that the motor hums during spin, that would indicate that the motor has run voltage, but it has no start voltage. It needs both start and run voltage in order to get the motor started and running. The start voltage gets the motor started, and once started all it needs is run voltage to keep it running. The only difference between agitate and spin is that the polarity is reversed in order to start the motor in the opposite direction. The reversal of the polarity is controlled by timer contacts 7 and 14.
Most likely it's a timer or loose wire connection.
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