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Old 09-23-2021, 03:32 PM   #1
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Leveling jacks loud warning sound.

We just took our 2004 HR Imperial on its maiden voyage since we purchased it. Thought everything was fine, new A/C, etc. Jacks were raised, however, we keep getting a very annoying warning signal from under the dash every time I put the transmission in D or R. The control box for the jacks says that they are all down but they are not. When I use the button to raise the jacks that are already up, they display (yellow lights) that one or two are still down. They are not. In fact, I placed a bottle jack under each one and each one is totally raised. I can live, and travel without leveling jacks, however, can't stand the warning signal. Any ideas? For us this is prime season for camping and I can't get an appointment until late October. Does anyone know how I can bypass the alarm or disarm it. Don't want to make matters worse.
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Old 09-23-2021, 03:52 PM   #2
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You may be low on fluid if your jacks are hydraulic.
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Old 09-23-2021, 04:14 PM   #3
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There are two different types of sensors for jacks down warnings. One is as mentioned, fluid level. The other is a magnetic sensor at the top of the jack. If you have a couple of wire coming out of the jack, then you have the second type. You can try bypassing them one at a time until you locate the defective one. I had the same thing on our '06 Itasca and had to rig up a bypass switch around the defective sensor.
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Old 09-23-2021, 04:51 PM   #4
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I can't find the hydraulic storage tank.
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Old 09-23-2021, 06:18 PM   #5
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You can do a reset on it and turn off the warning lights and beeping by pushing all 4 buttons at the same time. Up/Down Left/Right.

I have to do it to my Lippert Jacks now and then. Ours is because we are getting too low of pressure when the jacks are up to trip the pressure switch.


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Old 09-23-2021, 07:34 PM   #6
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When you retract the jacks, do not manually turn off the control panel when the store light illuminates, instead wait a full minute. This insures there is not a small air bubble in a line causing a false stored signal.
This of course assumes the oil reservoir measures full when jacks and slides are retracted.
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Old 09-23-2021, 08:18 PM   #7
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Quote:
Originally Posted by Mikenbama View Post
I can't find the hydraulic storage tank.
I don't have an HR but my coach is the same vintage. All the business for the jacks should be in one of your basement compartments. On my HWH system there is a box with glass window that has several small LED lights and looks like something off of a space ship. The hydraulic reservoir and pump are behind that. There is a vented cap with dip stick that will unscrew to check fluid level.
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Old 09-23-2021, 09:06 PM   #8
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Quote:
Originally Posted by Mikenbama View Post
I can't find the hydraulic storage tank.


On my 2001 Imperial the tank was located forward of the RH front wheel.
Access it by opening the generator slide.
There are instructions in your owners manual on how to properly service it.

You should post this on the Monaco section. Lots of good knowledge there.
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Old 09-24-2021, 06:27 AM   #9
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Quote:
Originally Posted by Mikenbama View Post
We just took our 2004 HR Imperial on its maiden voyage since we purchased it. Thought everything was fine, new A/C, etc. Jacks were raised, however, we keep getting a very annoying warning signal from under the dash every time I put the transmission in D or R. The control box for the jacks says that they are all down but they are not. When I use the button to raise the jacks that are already up, they display (yellow lights) that one or two are still down. They are not. In fact, I placed a bottle jack under each one and each one is totally raised. I can live, and travel without leveling jacks, however, can't stand the warning signal. Any ideas? For us this is prime season for camping and I can't get an appointment until late October. Does anyone know how I can bypass the alarm or disarm it. Don't want to make matters worse.

Do you have a manual for your HR? If not, you can download one here: https://www.monacocoach.com/rv-owners-manuals
The file is too large to attach here. The description for jack operation starts on p. 452.

Low fluid / jacks down alarm is a bong.


My guess is you have a bad park brake switch causing the annoying warning. That was the problem I had (I had occasional brake warning light on also). Pic of the park brake switch attached. It's right under the park brake knob.

Some of the jack lights on mine don't work and I don't pay attention to those anyway. Wife always makes sure jacks are moving (as I've had couple bad switches) and when they are up.
When extending, make sure to extend the front first to prevent cracking the windshield. The front jack acts as a pivot point and keeps the frame from twisting.
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Old 09-30-2021, 05:50 PM   #10
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If I don't have the emergency brake on when the engine is turned off, the next time I start it the leveler alarm goes off. I may or may not have to do a reset. Usually if I put the e brake on and turn off the motor, the alarm will stop.
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Old 10-01-2021, 12:04 AM   #11
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Crawl under, Inspect each jack for a switch mounted on the jack itself, that is maybe bent, or has wire/ switch damage?
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Old 10-04-2021, 04:12 PM   #12
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Next time you here the alarm, smack down hard on the parking brake knob (after it has been released). If the alarm stops, it the sensor that is pictured in Post #9. That sensor is a common issue that makes the alarm go off at odd times. It's mounted to the bottom of the parking brake switch.
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Old 10-06-2021, 07:17 AM   #13
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Angry Thanks for the info.

Dutch Star Don, It worked, When I release the parking brake, I push the Plunger down hard and the warning sound quits, however, even after it quits, I still can't lower the jacks, the generator door will not open. If I replace the switch, should that eliminate the leveler and generator problem? I don't want to start throwing replacement parts at a problem unless I think it will work. As for the generator, I can open and close it if I crawl under the RV and cross the solenoid on the bottom it will open, the the top one will close the generator. If I turn on the levelers, and lower the jacks, all the lights work, however, when it is finished the jacks haven't moved but the main panel shows' that they are fully extended. Looking for suggestions.
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Old 10-06-2021, 07:31 AM   #14
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Angry Thanks for the info.

Dutch Star Don, It worked, When I release the parking brake, I push the Plunger down hard and the warning sound quits, however, even after it quits, I still can't lower the jacks, the generator door will not open. If I replace the switch, should that eliminate the leveler and generator problem? I don't want to start throwing replacement parts at a problem unless I think it will work.
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