If right after two minutes the examination has not done, Testifire XTR2 will time-out and the exam will be recorded as unsuccessful. The standing LED will flash triple crimson to signify the test has been unsuccessful and it is best to take away Testifire XTR2 by gently decreasing it. > https://testifirefirealarmtesting24555.snack-blog.com/34222344/5-simple-techniques-for-fire-alarm-testing-equipment-by-testifire