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Old 10-20-2012, 04:18 PM   #1
jmarmor's Avatar
Join Date: Sep 2012
Posts: 80
scs/frigette stair contol module

I have a 2005 Holiday Rambler Septer with a scs/frigette stair assembly. it appears that I need to change the controller. The stairs do not make a complete or full length cycle in or out. Stops short or under retracts. All parts are lubed and move freely so I am assuming its the control module. The part number on the module is 1636785 but I can only find part 164889 made by stomberg carlson. It looks like the same part although I cannot see the number of wires in the online picture. Any ideas for me. Thanks in advance

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Old 10-20-2012, 06:23 PM   #2
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Location: Rochester, MN, USA
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When my controller failed, it would't operate at all. When the controller detects the current to the motor increase it shuts off. It's possible your motor could be the culprit also. You can test the motor by touching the two leads to +12v and ground leads in the connector. (Be very carefull - the step will move and try to pinch you!) Reverse the leads and the motor will reverse. Good idea the check the ground lead also. As to P/N, I can't remember any more what mine was.

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2007 3912 KSDP w/350HP ISL Cummins
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Old 10-21-2012, 05:24 PM   #3
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Location: Belfair WA.
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Here are a couple of sources for parts and info for your steps

Lippert Industries
R&K Products

Here is a service/owners manual for Lippert Steps who I believe bought out the SCS/Frigette step line. It has a trouble shooting section which should apply to your step even though it is a different manufacturer. I found it helpful when I was having problems with my SCS/Frigette entry steps.

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