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Old 02-05-2013, 02:46 PM   #1
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HWH Automatic Leveling

We have 2007 Winnebago Vectra. The HWH jacks have the following idiosyncrasies. When engaging the "auto level" switch, on absolute level concrete, the air suspension bags deflate and the 2 front jacks begin to lower. shortly thereafter either the left or right rear jack begins to lower. Both rear jacks do not lower during the "auto cycle". The jack that does not lower on the auto cycle can be lowered using the manual switch. The front jacks continue to extend until the steep "level" alarm sounds. The alarm stops when I press the auto level switch again. My guess is I need a new board. Any Ideas?
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Old 02-06-2013, 02:04 AM   #2
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Maybe the auto level indicator bubble isn't calibrated properly? I'd look at that first. They're usually under the steps.
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Old 02-06-2013, 04:57 AM   #3
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Quote:
Originally Posted by Kuchen View Post
We have 2007 Winnebago Vectra. The HWH jacks have the following idiosyncrasies. When engaging the "auto level" switch, on absolute level concrete, the air suspension bags deflate and the 2 front jacks begin to lower. shortly thereafter either the left or right rear jack begins to lower. Both rear jacks do not lower during the "auto cycle". The jack that does not lower on the auto cycle can be lowered using the manual switch. The front jacks continue to extend until the steep "level" alarm sounds. The alarm stops when I press the auto level switch again. My guess is I need a new board. Any Ideas?
You mean the front jacks keep going all the way fully extended? tires off the cement? this might not be your unit but just might help you out with a adjustment, look at page #17 here http://www.hwh.com/ml33832.pdf
http://www.hwhcorp.com/mi154570.pdf
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Old 02-06-2013, 10:33 AM   #4
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download a service manual for the 625 one touch system from the hwh website. go thru the diagnostics to get to the problem. if its going to excess slope, and you are sure that you are on a reasonably level surface, not more than 6 inches out front to rear, or side to side. you may look at the pressure sensors on the side of each jack. the front sensors have to both be seen by the control box to go to auto level. you may have to adjust or replace one of those sensors. there is a section that describes how to diagnose this problem. it also describes how to reset the pressure setting on the sensors.
excess slope is caused by two things. either you are too far out of level, and the extension (lift) needed exceeds the jacks capacity, or the pressure sensor is in need of adjustment or replacement. try adjusting first.
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