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Old 10-06-2017, 12:46 PM   #1
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No Air

The jacks go down on my HWH leveling system, but it does not dump the air before leveling. Any ideas? Thanks.
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Old 10-06-2017, 12:54 PM   #2
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On my 2005 HWH system I would start checking for something electrical. Where the air/electric solenoid dump valve is located will be the first challenge to diagnose this problem. Once you find that you should be able to check for voltage at the valve and lacking voltage apply a jumper to energize the solenoid and if that works(dumps air) it can rule out any problem with the air system. Good luck. I'm assuming the panel lights up and everything else looks normal?
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Old 10-06-2017, 01:28 PM   #3
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Sounds like a faulty HWH control board. As soon as you push Auto-Level, the air should dump and then the leveling jacks start. You can check and reseat the cabling to the board.
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Old 10-06-2017, 01:35 PM   #4
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Ours had a faulty control panel. If I started the engine with the jacks down the bags would air up. Simple fix to change panels, a few screws and plug and play.
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Old 10-06-2017, 07:55 PM   #5
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Thanks Rick
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Old 10-08-2017, 08:25 AM   #6
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When you hit the manual dump, as opposed to the autolevel, does the air dump?
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