Hi Mik Team and all I have one hEX S with issue power, it can not boot after turn off power and on again. it only have one power led, don't have any include sound. but after turn power off 10-20 minute, then turn power on again, it can boot and run normal. If turn off and on power within 1-2 min…

Check the power supply, use another one with 12V-57V. It could be a problem of capacitos or power line inside device but it could be just faulty PSU that do not deliver enough current even if voltage is OK (LED lights)

hi thanks for your infor, i have try with more adaptor power , more try with rang voltage from 12- 24V, but the same. i have check main board when it can not boot, the capacitors verry hot at power area, but when it run normal, that capacity is not hot. i have try replace that capacitor , but stil…

If it's not the capacitors, then it must be the regulator(mosfet), or some other component (zeners), see: [image] HEX S sometimes fails to start properly MikroTik hardware general Hello everyone, I am new to the world of Mikrotik devices, but I hope to get some…

hEX S hangup Power when turn off /on power

RouterOS General

jaclaz October 26, 2026, 10:48am 4

If it's not the capacitors, then it must be the regulator(mosfet), or some other component (zeners), see: