Nathan Posted February 11, 2020 Share Posted February 11, 2020 Monacoers - I've got an issue with my Jacks. They were working fine until very recently. Then, my control pad started "chirping" at me intermittently . . . then, my auto level feature would not work though I could extend the jacks manually . . . now I can no longer extend the jacks manually. The control pad lights up ok but no "action" when I push buttons to extend the jacks. I've already replaced the control pad with a new one from Lippert but that hasn't solved the problem. Any suggestions out there? Nate A. 2007 Knight 40PDQ Link to comment Share on other sites More sharing options...
Highwayman Posted February 11, 2020 Share Posted February 11, 2020 You may want to check the parking brake sensor. Link to comment Share on other sites More sharing options...
p.abbett Posted February 12, 2020 Share Posted February 12, 2020 May need fluid. Check levelers for excessive fluid loss. 1 Link to comment Share on other sites More sharing options...
Jim H. Posted February 12, 2020 Share Posted February 12, 2020 (edited) 2 hours ago, p.abbett said: May need fluid. Check levelers for excessive fluid loss. Nate, when you do check that hydraulic fluid level, you should have your slides all the way in, and your jacks retracted. Edited February 12, 2020 by Jim H. Link to comment Share on other sites More sharing options...
Nathan Posted February 12, 2020 Author Share Posted February 12, 2020 Tks guys. My fluid level is fine. Other suggestiions? Nate A. 2007 Knight 40PDQ Link to comment Share on other sites More sharing options...
Bob Nodine Posted February 12, 2020 Share Posted February 12, 2020 I would also suggest that the parking brake sensor is defective and the leveling system thinks the parking brake is not set and thus does not allow auto level. Link to comment Share on other sites More sharing options...
Jim H. Posted February 13, 2020 Share Posted February 13, 2020 Hi Nate. Maybe this will assist. It's from my owners manual, and echoes what Bob Nodine and Highwayman offered concerning that brake switch: "Jacks Fail to Extend or Retract: Ensure the park brake is set.The transmission is in neutral.The engine is running. If the control panel does not operate, check the 15 Amp inline fuse located with the leveling system wiring approximately 16” from the hydraulic pump. NOTE: The hydraulic pump has an internal circuit breaker to protect against overheating. If the pump is used repeatedly in a short period, the breaker will trip and reset automatically in 5 to 30 minutes." Something else to check is that auto-resetting breaker. Link to comment Share on other sites More sharing options...
Highwayman Posted February 13, 2020 Share Posted February 13, 2020 If you open the access panel next to the drivers seat you can unplug the wire from the parking brake. Take the coach end of the plug and jumper the two outside pins. If your jacks work you need a new switch that attaches to the parking brake. I had a bad switch and found it this way. Link to comment Share on other sites More sharing options...
Steven P Posted February 22, 2020 Share Posted February 22, 2020 I was having issues w mine saying the parking brake was not set when it was. I replaced the parking brake sensor and that has fixed it. (3 wired sensor in pic) Link to comment Share on other sites More sharing options...
MSHappyCampers Posted March 16, 2020 Share Posted March 16, 2020 Every time I see a post about hydraulic jack problems it makes me more thankful for our air leveling! 🙂 Joe Link to comment Share on other sites More sharing options...
Ivan K Posted March 16, 2020 Share Posted March 16, 2020 This parking brake sensor issue would effect our air leveling system just as hydraulic so it is a useful information for anyone. Link to comment Share on other sites More sharing options...
Highwayman Posted March 17, 2020 Share Posted March 17, 2020 You can test the sensor by using a jumper between the two outside pins if the system then works it's the sensor at fault. This is on the coach end of the plug not the sensor it self Link to comment Share on other sites More sharing options...
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