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RV Safe error code Red LED flashing + 4 rapid chirps, 4 s pause, repeating

CriticalLP / Propane SystemVerified against the manufacturer's manual

CO ALARM (RVCOLP models only): CO exceeded the detection threshold (70 ppm for 60-120 minutes, 150 ppm for 10-30 minutes, 400 ppm for 4-15 minutes). The horn sounds 4 rapid chirps followed by a 4 second pause and the red LED flashes; the green LED is off. Activation indicates the presence of carbon monoxide, which can KILL YOU. The alarm may be silenced for 5 minutes with Silence/Test but resumes if CO is still present.

What to check, and in what order, is in the app. The flow RV Safe RVCOLP / RVLP - alarm, LED and self-test 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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