Stanley 180402 Circuit Board

Stanley 180402 is a gate‑opener control board used in residential and commercial gate systems. Common failures on this model include burned or tripped MOSFETs/relays from over‑voltage spikes, degraded capacitors causing power‑line noise, and shorted logic traces that trigger the safety interlock. Start by verifying the 24 V DC supply voltage and checking for ripple; then inspect the board for visible burn marks or swollen electrolytics, and test the gate‑drive MOSFETs and relay contacts with a multimeter. Finally review any error codes logged in the controller’s diagnostic LED sequence to pinpoint the fault source.[oss-gpt-20b]

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