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Old 03-09-2020, 06:27 PM   #1
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Join Date: Mar 2017
Location: OTR Western US
Posts: 285
HWH 625 Leveling System in a Newmar DSDP 3815

Posting this for information in case someone else runs into a similar situation.

My 2005 Dutchstar has a tick over 18K on the clock. Pulled into the Clark County Shooting Range RV park after leaving Death Valley. Went to turn the control head on and nothing happened other than the Travel Mode green light being on. Cycled the ignition key on/off to Accesory, nothing changed.

I tapped the Jacks Retract button and the light for that button came on, the Hyd/Level red light cane on, as did my yellow lights indicating the low points. From there I still couldn't make the system auto or manual level, or dump air. I also pulled the cable off the back of the control head and cleaned the connectors.

A few more on/off ignition cycles and once I was able to get the red Hyd/Level light to come on, but nothing else happened.

I tried the HWH troubleshooting steps but they didn't seem to cover this intermittent activity.

Having seen Paul Maddox' number, 1-602-549-3638, listed in other postings here in IRV2. I called him and when we connected Paul recommended I check for a loose ground. He first recommended the two 9/16 bolts holding the pump to the RV chassis be tightened. They're on the bottom of the pump. HWH did not use a grounding strap instead opting for the ground connection to be made where the pump sits on the frame. Secondly, there is a small bundle of ground (white) wires attached to a stud on the side of the pump housing which he recommended be cleaned and re-tightened.

Well, those 2 chassis mounting bolts were not tight. Snugged them up. Then I took care of the ground wire connections. They were tight.

Turnt everything back on and whammo it all worked perfectly.

I can't thank Paul enough for taking time out of his day to help me and not want any pay. His name is plastered all over this forum.

Thank you Paul!

2005 Dutchstar 3815, Spartan MM, ISL-370
2014 Honda CRV EX-L w/Navi
RVI-3, Demco Dominator
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Old 03-10-2020, 12:10 PM   #2
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Join Date: Mar 2017
Location: Alaska in Summer Snow Birds in Winter
Posts: 1,629
This is great news. I have called and sent texts to Paul a few times over the years. He always had the answers for what to look for during troubleshooting.

Those of us HWH systems are very lucky to have Paul on the hotline.

Thanks for posting this.

Tom and Sherry W.
06 Winnebago Adventurer 38J Workhorse W24 Lots of motor and suspension mods in the works
02 Itasca Suncruiser 35U. Workhorse W22 w/Safe-T-Plus, Koni FSDs, UltraTrac, etc, etc.
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Old 03-10-2020, 09:15 PM   #3
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Newmar Owners Club
Join Date: Oct 2016
Posts: 195
With all the bad news around it's good to know there are still some really good people out there!
2005 Newmar Essex 4502
500 hp Cummins
2005 Dodge Ram 1500 Toad
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Old 03-12-2020, 01:06 AM   #4
"Formerly Diplomat Don"
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Join Date: Apr 2005
Location: Moorpark, Ca.
Posts: 15,307
Paul is great. He's willing to help anyone. Can't say enough nice things about him.
Don & Mary
2019 Newmar Dutch Star 4018
2019 Ford Raptor
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Old 03-12-2020, 05:23 AM   #5
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Location: Sarasota, FL
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Yup Paul is "DA MAN" - he helped me through my problems when I first bought our rig and he has an open line to anyone that needs it.
Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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hwh, leveling, newmar

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