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M380 (Unique Issues) If you have a unique issue with your M380 model coach and it can't be answered in one of the other forums here, then this is where you can list it.....list your M380 Parts here too.

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  #1  
Old 10-11-2011
Elkherds Elkherds is offline
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Default M380 Engine Block Heater (Electric)

Question, I keep my coach plugged in on 50A all the time. I went out to check on something in the engine compartment and put my hand on top of the engine. It was very warm / borderline hot. I know there is a switch on the dash for pre heating the engine but while plugged in is there a constant engine warmer on? The one on the dash is turned off.
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Last edited by iamflagman; 11-04-2013 at 05:42 AM. Reason: Edited title
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Old 10-11-2011
Jim Brookshire Jim Brookshire is offline
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David,

You have a breaker in the rear (bedroom) panel that will control the electric block heater. It is seperate from the engine heater that uses the Hurricane to heat the engine with the switch on the dash.
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Old 10-12-2011
Elkherds Elkherds is offline
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Thanks, I will look for it and shut it off.
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Old 11-04-2013
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iamflagman iamflagman is offline
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While we were all here at Randy's we had an incident on Cliff Vaughn's M380, when the Electric Engine Block Heater on his Cummins shorted and caused a minor electrical fire, shore power was quickly disconnected and John McGinnis extinguished it with a fire extinguisher. The shorted burned wires can be seen below they are located at the backside of the alternator, they were traced to a electrical box where the wires were disconnected, so that shore power could be used again.





What also happened during this fire was the rear engine hatch resisted opening, so the flames were extinguished through the hatch vents, which Cliff can be seen cleaning below. Rick and Cliff eventually got the rear hatch opened and after some adjusting and other work, the hatch now opens easily.


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Old 11-04-2013
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Ed Wimberley Ed Wimberley is offline
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Whew a possible total loss avoided. Good going John M and also to whoever cut power.
Now you MUST replace the breaker that controls the block heater,it did not trip as it should have. It's not uncommon for breakers to fail(not trip) but it does happen. Now replace that breaker it's BAD
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Old 11-04-2013
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Randy Dupree Randy Dupree is offline
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Ed,i think the breaker did pop,along with the pedestal breaker.
The insulation was burning.

But,i could be wrong,i did not even know of the fire until later..
Mike Myers daughter saw the fire and alerted the "men".
She saved the day!

My coach was a few feet behind Cliffs coach,and Thomas was beside me.
This could have been a major disaster!

The 1930 Model A 5 window coupe in the background is for sale!
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Old 11-04-2013
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Ed Wimberley Ed Wimberley is offline
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Hummmmm
The pedestal breaker tripping clearly indicates that the 15_or-20 amp coach breaker didn't trip as it should have. I assume that the pedestal breaker was 30_50 amp?
We always replaced breakers when a larger breaked tripped behind a smaller one,either the smaller breaker is defective or the larger breaker is weak/defective, It was corporate $$$$ didn't cost me a penny just "may" save down time/work later.
Breakers always get weaker and weaker every time they trip,
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