cbr046 Posted July 22, 2021 Share Posted July 22, 2021 (edited) Anyone recognize the sound of this alarm? It's loud, obnoxious, intermittent and coming from under the dash, maybe near the ignition key area. It almost sounds like a speaker. There's no lights on the dash to give a clue. Coolant is near the max level. Lots of air in the tanks (120 psi). Coach hasn't been started in a few weeks (5). You'll hear me tap the brakes twice. Raising idle doesn't change it. There is an old Tekonsha brake controller that the sound seems to be coming from, but there's no brakes to control. Last trip out to the coach it was perfectly quiet . . . . Leaving early in the morning, beeping or not! - bob 072221163223_Normal.m4a Edited July 22, 2021 by cbr046 Link to comment Share on other sites More sharing options...
The Hales Posted July 22, 2021 Share Posted July 22, 2021 Low air? Link to comment Share on other sites More sharing options...
OhReally Posted July 22, 2021 Share Posted July 22, 2021 Sounds like the parking brake signal. Your switch is on the bottom of the air brake switch and it goes bad often. Search for that on this or other Monaco/HR forums for fix information. Link to comment Share on other sites More sharing options...
jacwjames Posted July 22, 2021 Share Posted July 22, 2021 Sounds like the park brake alarm that is intermittent. Mine has started to act up, I can release the brake but the alarm will stay on. Does it when it's cold but seems to be OK when warmed up. Not going to tear into it until I get home. Link to comment Share on other sites More sharing options...
OhReally Posted July 22, 2021 Share Posted July 22, 2021 Here is a website that talks about a mod to really fix the problem. Replacing the existing switch with one and the same is a bandaid. http://www.irv2.com/forums/f115/park-brake-air-pressure-valve-alarm-374632.html Link to comment Share on other sites More sharing options...
Bill C Posted July 22, 2021 Share Posted July 22, 2021 I thought it sounded like a high temp alarm Link to comment Share on other sites More sharing options...
cbr046 Posted July 23, 2021 Author Share Posted July 23, 2021 Thanks for the ideas. Last couple of key turns it's been silent. - bob Link to comment Share on other sites More sharing options...
Dan B. Posted July 23, 2021 Share Posted July 23, 2021 2 hours ago, cbr046 said: Thanks for the ideas. Last couple of key turns it's been silent. - bob Agree with the others, if so it will come back and WILL drive you crazy. If you can't change the switch as directed above, there is a fuse specifically for the horn; but obviously not a great idea to leave it that way. Check your manual for the location. 1 Link to comment Share on other sites More sharing options...
Dr4Film Posted July 23, 2021 Share Posted July 23, 2021 Low Air Link to comment Share on other sites More sharing options...
cbr046 Posted July 24, 2021 Author Share Posted July 24, 2021 Sometimes it would take off for a few bleeps when setting the parking brake, but it behaved itself most of the day.. Definitely low air alert (even w 120 psi in both tanks). Bad sensor - bob Link to comment Share on other sites More sharing options...
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