All smoke alarm manuals I have seen say that the smoke alarm can be tested simply by pressing the test button on the unit. However some people have said this only tests the battery and sounder and that to test the smoke sensor you need canned smoke.
All smoke alarm manuals I have seen say that the smoke alarm can be tested simply by pressing the test button on the unit. However some people have said this only tests the battery and sounder and that to test the smoke sensor you need canned smoke.