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Old 08-28-2011, 08:00 PM   #1
Dave Stanley's Avatar
Alpine Owners Club
Join Date: Jul 2010
Posts: 41
Slide out's attitude

Our slide outs work perfectly when they want to, and then sometimes they do not work at all. I. E. we press the switch and nothing happens. After a few or so pushes on the "extend ' or 'etract" they work fine. We can hear the switches clicking outside by the actuator, but. ????

What is going on ? and how do we fix it ? "OR" do we just live with it ?
Have not been stuck somewhere yet, but afraid we will someday...

Thanks for any input. You guys are so great.... Dave

Dave Stanley
2005 38 FDTS 04 Jeep Liberty
Vacaville, CA
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Old 08-28-2011, 08:20 PM   #2
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Alpine Owners Club
Join Date: Mar 2009
Location: Surprise, AZ
Posts: 646
Dave - from my own experience and what I've read on previous threads related to HWH, I would suspect the pump motor. You need to use a voltmeter with clip leads to verify if 12VDC is being applied to the pump motor. If you don't have access to a voltmeter &/or don't know how to use one, go to radio shack or similar store and purchase one. They should be able to explain how to use it.

When the problem occurs -
Clip the black lead (negative) to a metal ground point in the HWH compartment. Clip the red lead (positive) to the terminal on the rear of the motor which is usually a fairly large & short (#6) cable. Have someone press the Extend or Retract switch and observe the voltmeter. If the voltmeter reads 12VDC, then the motor is intermittently failing. If there's no 12VDC then one of the relays fastened around the motor is failing intermittently.

Based upon your observation that you can hear clicking (each time you press the switch?!), it could be an intermittent solenoid or a loose connection associated with the slide. I'd place my money on the pump motor.

Bob Bowers (Surprise, AZ)
2003 Alpine Coach 40' FDTS
2014 Jeep Cherokee Lattitude
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Old 08-28-2011, 08:31 PM   #3
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Location: Washington State
Posts: 866
Or, on the connection in the pull out console below the HWH panel by the driver's seat. Ours would do that until I replaced the connector that attaches to the HWH panel. I had a loose wire in the connector that was sensitive at times to the pressure I put on the panel or the amount of rough road I drove on previously.
Former Owner, 2006 36MDDS
2010 Arctic Fox 22GK Travel Trailer
2007 Toyota Tundra
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Old 08-28-2011, 11:53 PM   #4
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Alpine Owners Club
Join Date: May 2008
Location: Vancouver, WA
Posts: 2,226
Along with the other comments, check all the wires that are grounds and make sure they are all good and tight. I also found all the connections on the terminal block inside the HWH compartment (your coach may not have this terminal block) had the wrong sized crimped connectors on the wires, and some of them were about to come out. I took them one at a time, and put the correct sized crimped connector ring terminal on them based on the screw size and replaced them. It could also be the HWH control panel inside the MH, which has loose wires on it. Check that one when the coach has the jacks up, slides in, so you don't accidently start some operation when taking the panel out to check those wires. Or you can make sure it's powered down so nothing you do while taking it out causes some operation, then once you have checked those connections, you then can play with buttons. Additionally, some owners have reported the control panel itself has bad contacts, and a new one can be had from HWH, don't remember the price.

You can download the correct manual from HWH's website if you don't have one, I believe we have a modified 625 panel, but that I know is definately for later coaches like ours, I am not sure your year has that panel, other owners can chime in and let you know for sure.
Monty & Janet - 2007 Alpine APEX 40 MDTS
S/N - 75715 - Retired - Master Certified RV Tech
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Old 08-29-2011, 05:25 AM   #5
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Location: Kansas City
Posts: 393
Originally Posted by Old Rv'er View Post
You can download the correct manual from HWH's website if you don't have one, I believe we have a modified 625 panel, but that I know is definately for later coaches like ours, I am not sure your year has that panel, other owners can chime in and let you know for sure.
My 2005 has the 625 series panel, too.
Jaime & Dave (and our 3 cocker spaniels)
2005 Alpine Coach 36FDTS w/ 2009 Honda CR-V, Doran TPMS, Roadmaster Towbar, US Gear Braking
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Old 08-29-2011, 10:35 PM   #6
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Location: Long Beach, CA
Posts: 1,563
Me, too.

2003 Alpine 40FDTS (400HP)
Long Beach, CA
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