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Old 06-10-2011, 03:35 PM   #1
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Black Tank Level Indicators

Greetings All,
New member here! My wife & I just purchased a new 2104 Mini-Lite, & we couldn't be happier. Moved up from a Chalet pop-up. We were tired of the gymnastics required to move around in the old unit.

Took our first trip last week, and all went well except a small scrape with a vaulted underpass on a Pennsylvania back road. Tore a small hole in the awning, but nothing that a bit of repair tape couldn't fix.

The unit works great with a few exceptions. The black water level indicators don't work, and the flimsy shelf under the stove collapsed. I've already reinforced the shelf and it's better than new! How do you troubleshoot the waste water level indicators? If it's simple, I'd rather fix it myself than take it in for warranty repair.

This forum looks like a wonderful resource for information. Hope to see some of you at one of our favorite campgrounds this summer!
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Old 06-10-2011, 04:58 PM   #2
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Greetings All,
New member here!

Took our first trip last week, and all went well except a small scrape with a vaulted underpass on a Pennsylvania back road. Tore a small hole in the awning, but nothing that a bit of repair tape couldn't fix.

The black water level indicators don't work. How do you troubleshoot the waste water level indicators?
Welcome to the forum !!

Bummer on the awning.

How are the black water tank indicators malfunctioning. Are they showing empty when full, or full when empty ?? It could be as easy as using Calgon or a tank flusher if they are showing full with an empty tank.
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Old 06-10-2011, 05:27 PM   #3
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I have a problem with my tank indicators as well. We have had it in many times with no real fix. My wife and I have had many "discussions" about it. From this forum and talking with other people this seems to be a weak point with all makes and models. "I know they should work on a new trailer, but they don't.". "I know they should come up with a different system, but they haven't.". Just don't say, "Stick your arm in there and see if you can feel it is full."
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Old 06-10-2011, 06:15 PM   #4
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Welcome to the forum !!

How are the black water tank indicators malfunctioning. Are they showing empty when full, or full when empty ??
The indicators are showing empty when full. I could visually verify by looking at the liquid level in the tank.
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Old 06-11-2011, 08:16 AM   #5
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The indicators are showing empty when full. I could visually verify by looking at the liquid level in the tank.
when the tank is empty does it show full?

If that is the case then my guess is that they hooked the wires up to the wrong probes giving you the opposite indication which would be an easy fix - there are 3 wires on the outside of the Black water tank just need to swap the top and bottom wire to fix.
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Old 06-11-2011, 08:29 AM   #6
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when the tank is empty does it show full?

If that is the case then my guess is that they hooked the wires up to the wrong probes giving you the opposite indication which would be an easy fix - there are 3 wires on the outside of the Black water tank just need to swap the top and bottom wire to fix.
Good possibility. Get them manufacture and model number from the gauge, find the website for that manufacturer, and see if you can get a wiring diagram.

Does the gray tank and fresh water tank indicators work ??

Another possibility, is that even though you have liquid in the tank, it may not be reaching the 1st probe. A test would be to fill the tank and see what indicator lights come on.

BTW, I moved these posts to a new thread.
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Old 06-12-2011, 11:37 AM   #7
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mine was actng up and it was the sensor was grounding at the frame
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Old 06-12-2011, 12:06 PM   #8
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We're on our 3rd RV and have always had issues with the indicators in all the units. Been told the sensors are not that accurate. We just started figuring it out through visual inspection when flushing. When camping full time, we usually dump and flush it once a week. But that all depends in your tank size. One helpful hint, paper in the tank can stick to the sensors and make them misread. We avoid putting any paper in the tank all together.
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Old 06-12-2011, 01:11 PM   #9
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Thank you everyone with your tips! - Good info. My black water tank indicates empty when it is actually full.

I was able to find the schematic for my unit and a troubleshooting guide at:

KIB Enterprises - Monitor Panels

I'll dig into the problem next week and report back.





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Old 06-12-2011, 09:23 PM   #10
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Thank you everyone with your tips! - Good info. My black water tank indicates empty when it is actually full.

I was able to find the schematic for my unit and a troubleshooting guide at:

KIB Enterprises - Monitor Panels

I'll dig into the problem next week and report back.





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I bet if you look at the black tank and just swap the top wire and the bottom wire it will fix your tank level issue.
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