Final test. Set the clock, set the defrost to come on and off again 1 minute later.
16:15 and the defrost is off. Circuit is closed.
16:16 defrost comes on and circuit opens.
16:17 defrost is switched back off and the circuit closes again
16:15 and the defrost is off. Circuit is closed.
16:16 defrost comes on and circuit opens.
16:17 defrost is switched back off and the circuit closes again