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  #1  
Old 09-08-2019
Preacher Preacher is offline
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Default Propane Detection System Question

I have the original factory installed Hydro Flame propane and carbon monoxide detection system in my '94 BMC37. It has a master control panel on the curbside interior wall above the dinette and a smaller subpanel down by the furnace inlet under the fridge. On the master panel, I'm getting a steady red Propane warning light and an intermittent low volume chirp about every 20 seconds exactly like a smoke detector low batt signal (the system is DC powered from the house batteries). There is no gas smell in the coach and I haven't been using any of the propane systems, and in troubleshooting, I turned on the gas appliances and purged the lines with the master gas valve off. No recent work has been done on any of it. The system TESTS correctly. I've accomplish all of the known resets including cycling the master switch, the test button, blowing out the sensor grilles and removing DC power. It went out once momentarily when I shut the manual master valve off down at the tank, but came back on shortly after I re-opened it. I shut it again but the light and chirp stayed. I've always had a hint of gas smell down around the tank valve but have NONE when I completely shut the valve and let it set. Yet I still have a steady light and chirp.

Any suggestions?

Thanks,

Dave
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1994 BMC37
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Old 09-08-2019
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Bill Pape Bill Pape is offline
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spray the connections with soapy bubble water.
The detectors have an pre-determined life span
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Old 09-08-2019
badandy badandy is offline
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Quote:
Originally Posted by Bill Pape View Post
spray the connections with soapy bubble water.
The detectors have an pre-determined life span
Yeah they are way past their prime.
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Old 09-08-2019
Preacher Preacher is offline
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Quote:
Originally Posted by Bill Pape View Post
spray the connections with soapy bubble water.
The detectors have an pre-determined life span
Thanks Bill,

I do need to find/fix the small leak around the external tank area, but that isn't causing this problem. Would you replace the entire detection system or just the sensors (if possible)? Can you even buy these sensors separately? Sounds like you've delt with this before.

Thanks one more time,

Dave
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1994 BMC37
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Old 09-08-2019
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probably time to replace the entire system.
several available , here is one company,
https://www.google.com/search?ei=sDF...31.c28R43Qv88E
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Old 09-08-2019
badandy badandy is offline
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If you can get to them I bet the sensor itself is replaceable, it is on the PMMI ones.
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Old 09-09-2019
Preacher Preacher is offline
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Sitting in my coach today listening to the infernal beep coming from my master gas detection panel, it suddenly occurred to me that there probably is another detector in the system within the water heater compartment. There was. I did a press to test on that panel and it reset the master panel. Problem solved except for doing leak checks and any required repairs. And, I've added additional plug in Propane/CO detectors in the bedroom and kitchen.

Thanks for trying to help men.

Dave
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