AMS GASALARM S/200-P Directives De Montage Et Mode D'emploi page 16

Function checks
The function test should be carried out regularly, at least every 4 weeks!
Service life
Replace the gas alarm after a service life of 5 years!
Fault display
The gas alarm must be replaced in this case!
2 short signal tones every 60 seconds,
yellow FAULT indicator flashes