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Old 07-30-2017, 10:52 PM   #1
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Brand: Thor Motor Coach
Model: Hurricane 35C
State: South Dakota
Posts: 1,132
THOR #3761
Lippert Jack Error - Retract Timeout

About a week ago, we brought up our jacks as we were preparing to leave a campground. Everything seemed to work fine until we disengaged the parking brake and then the Jack panel started alarming with “EMERGENCY RETRACT” and then showed READY Jacks: Up and then READY Jacks: Down. Eventually, the jack panel stopped alarming the audio tone but read ERROR: RETRACT TIMEOUT and then Return Levelers for Service.

According to the Lippert manual, this is indicative of a pressure leak but we see no signs of a leak in the system and the jacks are fully retracted.

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Has anyone else experienced this? We have tried to reset the error message by pressing the Enter and Retract buttons at the same time. No change. We have also done a manual recalibration of level but that also did nothing to clear the error messages. We have been able to drive to our destinations but are wary that something may be wrong and a jack may drop while we are on the road. We have tried getting into a shop and calling mobile RV techs but everyone is weeks out from being able to schedule us... hoping for something to clear the error or else suggestions for a tech in the Upstate NY area. We have searched Google and most of the online RV forums but have tried all suggestions so far with no change.

We are headed to Syracuse for the FMCA Northeast Area Rally. We will check there as well... any help is appreciated!
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2016 Thor Hurricane 35C with pups Piper and Annabelle
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Old 07-31-2017, 03:52 AM   #2
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Model: 2017 Windsport 34F
State: Michigan
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THOR #7673
Quote:
Originally Posted by jpmihalk View Post
About a week ago, we brought up our jacks as we were preparing to leave a campground. Everything seemed to work fine until we disengaged the parking brake and then the Jack panel started alarming with “EMERGENCY RETRACT” and then showed READY Jacks: Up and then READY Jacks: Down. Eventually, the jack panel stopped alarming the audio tone but read ERROR: RETRACT TIMEOUT and then Return Levelers for Service.

According to the Lippert manual, this is indicative of a pressure leak but we see no signs of a leak in the system and the jacks are fully retracted.

Attachment 6129

Attachment 6130

Attachment 6131

Has anyone else experienced this? We have tried to reset the error message by pressing the Enter and Retract buttons at the same time. No change. We have also done a manual recalibration of level but that also did nothing to clear the error messages. We have been able to drive to our destinations but are wary that something may be wrong and a jack may drop while we are on the road. We have tried getting into a shop and calling mobile RV techs but everyone is weeks out from being able to schedule us... hoping for something to clear the error or else suggestions for a tech in the Upstate NY area. We have searched Google and most of the online RV forums but have tried all suggestions so far with no change.

We are headed to Syracuse for the FMCA Northeast Area Rally. We will check there as well... any help is appreciated!
I just had this identical issue and it was a fluid pressure leak. I had the error message for a few hours, pulled in to a Sam's Club to fuel up. After fueling, I pulled into the lot to look things over and spotted a puddle of fluid under the left front jack. It turned out to be a loose hydraulic line fitting. I tightened the fitting and added 2 quarts of fluid. So, the system did recognize a pressure leak. It just took time for the fitting to get loose enough to leak. I recommend checking all your lines and fittings.
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Old 09-09-2017, 08:41 PM   #3
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THOR #9134
I have the same issue with my 2018 Windsport 29m. Curious if you found out a solution. Have mine going into the shop on Monday, but have checked fluid level and all fittings. Drove it home from the dealer fine, and then two days later went to drive it and it was complaining about the leveler retract. Did reset and didn't work. Hopefully the shop will be able to tell me something as I haven't even been out in it yet.
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Old 09-12-2017, 01:17 AM   #4
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THOR #3761
We took it to the shop this morning. They did a controller reprogram but it did not clear the error. They are ordering a new circuit board and will call when it comes in, hopefully next week. Fortunately, the jacks work perfectly but the error alarm is very annoying.
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Old 09-12-2017, 01:30 AM   #5
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Just gone mine back tonight, and they did pressure testing of all the cylinders and they passed, But upon driving home from the shop it still was in error. They are going to order another pump system, but I'm thinking that it is the pressure switch
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Old 09-12-2017, 02:06 AM   #6
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THOR #3761
They checked fluid levels in ours plus all fittings and the pump and all of that was fine. It has come down to a sensor problem or a bad circuit board. So they are trying the circuit board... will post results after they replace it.
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Old 09-01-2018, 11:55 PM   #7
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THOR #7856
Ran into same problem recently. Did notice oil leak RF Jack. Can not pin point leak though. Hyd line goes through the frame out of site towards the LF Jack. This is on a super C. Keep looking I guess.
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Old 06-11-2019, 08:56 PM   #8
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THOR #9033
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Originally Posted by jpmihalk View Post
We took it to the shop this morning. They did a controller reprogram but it did not clear the error. They are ordering a new circuit board and will call when it comes in, hopefully next week. Fortunately, the jacks work perfectly but the error alarm is very annoying.
Hit and hold the two buttons in the lower left hand corner simultaneously for about 3 seconds. The alarm will disappear.
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Old 06-11-2019, 08:57 PM   #9
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Originally Posted by rsthompson View Post
Just gone mine back tonight, and they did pressure testing of all the cylinders and they passed, But upon driving home from the shop it still was in error. They are going to order another pump system, but I'm thinking that it is the pressure switch
So what did they find....board error and replace the board?
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Old 07-06-2019, 02:05 PM   #10
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Originally Posted by jtroop View Post
I just had this identical issue and it was a fluid pressure leak. I had the error message for a few hours, pulled in to a Sam's Club to fuel up. After fueling, I pulled into the lot to look things over and spotted a puddle of fluid under the left front jack. It turned out to be a loose hydraulic line fitting. I tightened the fitting and added 2 quarts of fluid. So, the system did recognize a pressure leak. It just took time for the fitting to get loose enough to leak. I recommend checking all your lines and fittings.
Is there a diagram of the system showing where the fittings are?
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Old 07-06-2019, 02:30 PM   #11
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Originally Posted by Golfbum18 View Post
Is there a diagram of the system showing where the fittings are?
Not sure about a diagram telling you specifically on the RV, but...

From my experience, the lines are full length, one piece, going from pump system to the jacks.


You will have to crawl under there to look at each jack, this may need a separate floor jack and some kind of blocks for safety, you must follow the hydraulic lines to the jacks themselves and put a wrench on the fitting (right hand thread, righty tighty-lefty loosie).

**Do not use the RV's level system to lift and support for you to get under there to put a wrench on the fitting nut!! Safety first and you do not want the weight of the RV coming down upon you without jack stands, or wood blocks (not cinder blocks, they will crush).**

Then at the pump and reservoir unit, check hose connections there too.

A hydraulics schematic will only show that the lines terminate at the manifold, and the jacks themselves, not where they are physically located on your rig.
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Old 07-07-2019, 10:11 PM   #12
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THOR #9033
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Originally Posted by 10scDust View Post
Not sure about a diagram telling you specifically on the RV, but...

From my experience, the lines are full length, one piece, going from pump system to the jacks.


You will have to crawl under there to look at each jack, this may need a separate floor jack and some kind of blocks for safety, you must follow the hydraulic lines to the jacks themselves and put a wrench on the fitting (right hand thread, righty tighty-lefty loosie).

**Do not use the RV's level system to lift and support for you to get under there to put a wrench on the fitting nut!! Safety first and you do not want the weight of the RV coming down upon you without jack stands, or wood blocks (not cinder blocks, they will crush).**

Then at the pump and reservoir unit, check hose connections there too.

A hydraulics schematic will only show that the lines terminate at the manifold, and the jacks themselves, not where they are physically located on your rig.
Got under there today....found all the lines. They seem all snug to the finger test. None are wet with fluid...no fluid on the jacks....seems ok. I let the engine run about 10 minutes and released the emergency brake and then brought the revs up to about 2000 while turning on the levelers. they cycled up and read ready....no timeout error. I dont think there are leaks and thinking the "timeout error" is nothing more than a little low voltage until you charge up the engine battery....chassis battery.. I think it's called.
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Old 07-14-2019, 07:19 PM   #13
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The engine should always be running when retracting jacks to avoid low voltage and the low voltage on the dash should clear before retraction as well
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Old 07-15-2019, 06:16 PM   #14
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I think a sensor senses retract. Call lippert customer service, they have always been helpful for me.
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