LP CO detector fault
In Cortez CO. Woke up at 2 AM this morning with the LP/CO detector beeping. It's an Atwood unit in a 2016 coach. Green light on, amber light on, red light flashing, and a beep every 30 seconds. My first thought was low voltage on the house batteries, but they were at 13.5 (I'm on shore power). It seemed to go for 4-5 minutes, then clear up for a minute, then start over. Went back to bed with TV on, but this was like a drippy faucet. Pretty soon there was no pause, just a beep every 30 seconds. Back up at 3:30 reading the Thor manual - no help. Went on line to find the manual for the Atwood unit - found it, but no help - just says to clear the fault, but doesn't say ho to do that. I finally pulled the fuse to regain my sanity. Tried to find the Atwood website - doesn't exist as they were bought by Dometic. Vacuumed the front of the detector, put the fuse back in, still beeping. It's now 6:30, and I'm thinking I'm going to pull the unit. I'm trying to pull the trim off to get to (what I think are) mounting screws when suddenly the fault goes away, and it's passing the push button test.
I have no real idea what caused this, other than the fact that around 8 PM last night, a mosquito fogger went close by, and we had the door open. Maybe some of the fog creeped in and fouled the detector? Anybody with thoughts on this?
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