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July 6, 2018 at 3:30 pm #50976
The SMD triac is BT1308W (or Z0103MN as an equivalent). The resistor next to it is a 2.2 ohm resistor (it’s just a current limiting resistor, you can actually directly short it out to bypass it). The damage is most likely caused due to shorted solenoid or some sort of high transient voltage.