1. About  automatic  detection:  as  long  as  the  test  switch  (Test) is  pressed, or  the  mains  is  re-supplied, the  internal

program will  restart  the  timer. After  12  hours,  the  first  automatic  test  will  be performed,  and  the  emergency  state

will  be activated  for  1 minute. After  confirming  that  the  emergency  function is  normal  will  return  to  normal  state

automatically. If the  emergency  function is  abnormal  within  1 minute,  the  program  will  automatically  resume

charging  for  1  hour  and  then  re-test. When  confirmed  it's  not  normal  for  the  second  time,  the  green  indicator  will

start  to flash  to  alarm,  confirming  that  the  internal  device  is  abnormal  and  cannot  work  normally, stop  using  it

immediately,     Ask  a  professional  to  repair or replace it.

2.Monthly inspection  function: When  the  product  continues  to  work  normally for  30  days,  the  internal  program

will  automatically  start  an  emergency  function test.

3.Special situation: When the product lasts for more than 12 hours and the ON/OFF switch is not turned on, the

internal program will determine there is a fault, and the green light will flash an alarm. At this time, Need to turn

on the ON/OFF switch first, and then press the TEST test button or mains is re-supplied. then can back to normal

use.