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Old 01-16-2022, 02:44 PM   #1
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HWH levelers

I have HWH levelers on my 2010 Newmar DS 4386. When I press any of the buttons to manually raise or lower the jacks all I hear is a clicking noise. A Newmar mechanic told me I needed a new master board, which I ordered and replaced. Same problem. It will work occasionally, but not very often.
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Old 01-16-2022, 04:43 PM   #2
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Go to and download the diagnostics for the system you have. I used it for my 325 system to insure it was in fact the main board before ordering replacement. There are only a few parts on the board that can fail and they are available on line. I have ordered and will be soldering in the new parts so I will have a standby replacement.
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Old 01-16-2022, 06:31 PM   #3
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It may have an auto resetting breaker that has failed. I would check that.
Dan & Susan
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Old 01-16-2022, 07:09 PM   #4
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Every, EVERY electrical issue I ever had on my older Kountry Star was due to a corroded ground. Find your HWH pumpís ground cable and have a look.
2021 DSDP 4326 Freightliner
2023 Winnebago ERA 70A (toad)
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Old 01-16-2022, 07:34 PM   #5
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As stated above, many of the issues with the older HWH units has been a bad ground. Do a simple test, take a GOOD pair of jumper cables, attach to a GOOD ground and then attach to the HWH unit.
Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
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Old 01-17-2022, 05:57 AM   #6
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Contact Paul at AZPETE on the Irv2 forum. He works for HWH and can answer your questions. His email is and his phone number is 602-549-3638. He is a Commercial Member and has posted that his phone is always on, and if not answered, leave a message.

He has helped others on this forum and I am sure he can help you.
Vera & Ken
1998 Holiday Rambler Imperial, RR8S Chassis
Cummins 6C8.3 mechanical engine, 325HP, 3060 Allison
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Old 01-19-2022, 12:00 PM   #7
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send your email, and i will provide a service manual for your coach.
i need to know the year and brand of your coach. tell me what it says on the touch panel. computerized leveling or hydraulic leveling.
i can help. i work full time for hwh corp. i do not solicit part sales on this forum.
i do not accept or make service appointments.
paul maddox
602 549 3638
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