MTI Safe-T-Alert 35 Series error code Red-red-green-green flashing LED
END OF LIFE - the CO sensor has reached its 5-year service life and the alarm must be replaced. The LED flashes RED RED GREEN GREEN with a beep every 25-30 seconds. The signal can be silenced for 3 days with the Test/Reset button; replace the alarm within 30 days.
What to check, and in what order, is in the app. The flow MTI Safe-T-Alert 35 Series CO/propane alarm - signal lookup walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- MTI Industries Safe-T-Alert 35 Series (35-741/35-742) Combination CO and Propane Gas Alarm User's Manual
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