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Old 11-02-2019, 11:11 AM   #1
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Discovery won't start

I'm stuck in an RV park. 2020 Fleetwood Discovery LXE, diesel, Freighliner chassis. The engine won't start. I get a warning that we have low air, but I assume that has to do with the air system filling up when the engine kicks on. But it won't start. Any troubleshooting suggestions? chassis & House batteries show 14.7 volts.
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Old 11-02-2019, 12:09 PM   #2
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Check to see that the trans is in neutral and the parking brake is on.
Check the emergency stop switch in the rear is not activated. Might want to reset it.
Check battery voltage and that the disconnect is not in the off position.
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Old 11-02-2019, 12:19 PM   #3
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Define wont start.. Does engine turn over?
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Old 11-02-2019, 12:57 PM   #4
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14.7 volt showing?

Are you still pluged in to campground power source?
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Old 11-02-2019, 05:53 PM   #5
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Where's your key fob... That was my problem last June. Key fob was out of range.
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Old 11-03-2019, 07:05 AM   #6
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Discovery won't start

Thanks to those who replied. Some background, The rig has a push button start. We were plugged into shore power and the LXE has a solar panel for trickle charging. For whatever reason, the voltage on the chassis batteries dipped below 12 volts. I'm not sure why. The only thing I can think of is that the temperature dipped below freezing over the night, and we had two cloudy days in a row. Fortunately, I was eventually able to get in touch with Freightliner tech support. The problem seems to be that if the chassis voltage drops, the key fob loses a connection with the ignition electronics. Believe it or not, the solution was to simply hold the key fob up against the start button, and push the start button. What a weird problem, with such a simple solution.
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Old 11-03-2019, 07:12 AM   #7
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Your coach should also have a battery jumper switch on the control panel to the left of your seat. It merges the house batteries with the chassis batteries. I dry camp alot and have needed to use this feature several times when I would forget to set the auto-gen start.
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