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Old 03-16-2024, 02:01 PM   #1
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Join Date: Nov 2020
Posts: 22
No Power on Equalizer Panel

Hello,
I have a 2010 Berkshire 390QS that's been in storage for the last 4 months. Today, I went to do some spring maintenance on it and lower the jacks and open all the slides to get it ready for some upcoming trips. The house batteries were low and I had to jump start the generator but that went fine. I had the generator running charging up the batteries while I attempted to lower the jacks but I couldn't turn on the Equalizer panel power. I tried it numerous times over the course of an hour with the generator running and never could get the panel to power on. I looked everywhere I could for a fuse but didn't find anything. Is there a fuse for the Equalizer panel somewhere?

I did try one of the hydraulic slide outs just to see if the pump was getting power and it worked fine. So, there's power getting to the pump in the rear of the coach, just not to the panel next to the drivers seat. I removed the top of the side dash where the Equalizer panel is mounted thinking maybe there was a loose connection somewhere but that panel doesn't seem to have a plug in power cable. There's a single cable from the Equalizer panel to a cable bundle in that side dash where it looks like 3 or 4 cables come together and are taped together with electrical tape. Could there be a fuse in that bundle of wires?

The equalizer manual says 90% of the calls to them are due to low batteries. Yes, my batteries were low but I had the generator running and the pump ran when I pressed the slide switch.

Any suggestions on where to look for a fuse, or other suggestions on how to solve this? Never had any issue with this panel prior to now.

Thanks.
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Bikerscol (bicycle)
2010 Berkshire 390QS
Toad - 2017 Honda Fit
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Old 03-18-2024, 07:39 AM   #2
2023 Allegro Bus 45OPP
 
Join Date: Feb 2020
Posts: 211
total 12V reset

Now that the batteries are charged up, it's time for a total reboot. Turn off the salesman switch and 12V house battery switch and wait a couple minutes. Then turn everything back on and see if the problem persists.
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Old 04-02-2024, 08:39 PM   #3
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Join Date: Nov 2020
Posts: 22
Nothing worked on this problem so I ordered a new control box and keypad from Equalizer. The original keypad turned out to be good and it was the controller box that was bad. Swapped it out and everything is working fine. I took the old controller box apart and didn't see anything obvious. Being an electrical engineer I may dig deeper into the board and see if I can tell what actually failed.
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