Error codes › LP / Propane System › MTI Safe-T-Alert 85 Series › Steady red CO LED + 4 beeps, 5 s silence (repeating)
MTI Safe-T-Alert 85 Series error code Steady red CO LED + 4 beeps, 5 s silence (repeating)
CO ALARM (85 series): the red CO LED flashes and the alarm sounds 4 beeps then is silent for 5 seconds - the CO level is over 35 ppm (alarm trigger is under 15 minutes at 400 ppm). The cycle continues until TEST/Mute is pressed; the RED light stays on until the CO has cleared, or the alarm reactivates in approximately 6 minutes if CO is still present. The signal table prints the LED as STEADY RED. Immediate action is required.
What to check, and in what order, is in the app. The flow MTI Safe-T-Alert 20/25/30/40/45/62/65/85 series - alarm and LED signal decoder 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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- Safe-T-Alert Model 85-741 Combination Carbon Monoxide and Gas Alarm User's Manual (85RV042021-1, 2021)MTI Industries, Inc. (Safe-T-Alert)
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