Bahroni

Hi Few days back, when i was taking Off, while breaking ground, master fire warning light came ON along with No 2 fire handle light with audible warning Horn and went Off after 2-3 seconds. all engine parameters were found to be normal and light stayed ON for only 2-3 seconds and went off. Press to test circuit was found satisfactory with no visible signs/ indications of fire. We landed back safely without switching OFF the engine through a shorter landing pattern. Request your observations, advice and suggestions on actions taken and what other actions we should have taken please. Thanks