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Old 01-12-2012, 07:53 PM   #1
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HWH leveler alarm

Has anyone had an alarm sound saying that one of the jacks are down while driving? It only does this when it is raining. Seems like there may be a bare alarm wire that shorts out when it gets wet. The alarm is always the same jack, which is the left rear.Any help would be greatly appreciated. Thanks

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Old 01-12-2012, 08:06 PM   #2
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HWH says that when you retract the jacks do not turn them off when they are retracted. They will turn themselves 'off'. That way they will remain in a position to drain any pressure build up off the system.

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Old 01-13-2012, 10:57 PM   #3
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Agreed on the previous post. We had one go off on our 35U Adventurer while driving down the road at 60 mph. Read in one of the manuals to let the jacks store themselves and then time out. Started following that procedure and never had it happen again.
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Old 01-15-2012, 01:17 PM   #4
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Greg: Most of the HWH jacks have a sensor on the jack that indicate when the jack is fully retracted. If the jack moves down a small amount, about a 1/4 inch, then the sensor will close and the red led associated with that jack will light to indicate the jack is extended. If when storing the jack, the jack does not fully retract, but retracts just enough to turn the sensor off, then a small amount of movement on the jack, such as that associated with fluid expansion due to temperature change, will be sufficient to cause the sensor to open. Scary when this happens while driving, but usually not a big issue as the jack most likely moved only a tiny amount, most likely less than 1/4 inch.

This has happened to me once or twice in about 8 years. I recently learned that on my rig I am able to turn the HWH system on while driving, press the STORE button and when the light on the offending jack goes off, I then turn off the HWH and all is fine.
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