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Old 07-27-2004, 03:48 PM   #29
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I have a 2004 22' CCD. I just talked to Jack at Catcom/Micropulse and he was most helpful. We got my sensors all calibrated and they are now showing accurate. Took a few minutes but it seems to be a fix.

Prior to calibration, the black tank always showed empty and the fresh tank was innacurate - showed empty long before it was actually so (like half full).

The process is easy but the written instructions aren't good. It is helpful to have someone on the phone to walk you through it together.

If you have a Catcom (Micropulse), give Jack a call at 817-921-2188. He's most helpful.

Happy trails!~

----

Oh, BTW, they did mention that on Airstreams they sometimes get a problem with a factory performed wire splice on the monitor side of the coach around the wheelwell. I didn't have the problem so did not need to investigate. Worth talking to them about it, tho, if you are having problems with your Micropulse and calibrating won't fix it...
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Old 07-27-2004, 04:20 PM   #30
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Question to XRAY

Even if the written instructions are confusing, where might I get them?

I still need to see what sensor brand I have. My Black water tank reads full soon after I start using it.

I have found that looking down the hole works, but it would be nice if things worked on these new rigs. We did pay for them after all.

Andy
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Old 07-27-2004, 05:44 PM   #31
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Andy,

Here are the documents (download both). Thanks, Twink, for these.

Best regards,
Attached Files
File Type: pdf Calibration Modnstructions.PDF (4.8 KB, 279 views)
File Type: pdf MicroPulse Monitor.PDF (61.0 KB, 258 views)
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Old 07-28-2004, 01:48 AM   #32
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Thumbs up

Thanks for the info Jay, we have the same monitor on the 16.
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Old 08-20-2004, 02:34 PM   #33
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Innacurate levels on older monitors

At the risk of jumping in on a thread and changing it a bit, I also have a problem with my tank monitor I thought I'd try to get your feedback on.

I have a '91 34' Excella (so clearly don't have the 2004 sensors). I really don't have confidence in ANY of the reported levels shown by the monitor system, and know for a fact that the fresh water levels are just wrong. The fresh water level only shows 1/4 when it is overflowing. In fact, the previous owner said that the autofill feature burst the fill pipe because it doesn't shut off, so he added a cutout switch by the pump. My guess is that the system thinks the tank is only 1/4 full, so valiantly keeps trying! Now, if I push really hard on the button on the monitor, the fresh water levels will show random(?) levels. I really have no idea if the problem is with the sensor or the monitor panel. Is there a way to recalibrate the monitor on an older unit? Or do I just give up and use air out of the faucet as the indicator that I'm running out of water?

On the other levels, the gray and black tanks sort of work, but I don't think they're very accurate. The LPG monitor shows full for both tanks, but the meter on the tanks read 1/4 and 3/4. Battery indicator may be OK, but it really is hard to tell.

Our old '87 25' monitor worked great, but it was above the sofa instead of in the range hood like the '91.

I'd really like to get this thing working as my wife is paranoid about the holding tanks.

Thanks for any help or insight you folks can provide! I have a cue of questions I'll probably begin to ask, but I've been kind of lurking for a while while I learn a bit more about the norms on the forum.

Thanks in advance
--Doug @ MU
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Old 08-24-2004, 07:29 PM   #34
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I'll put in in my two scents worth on this. I talked with a chemical sales guy at one of the better know RV stores and asked him about the chemicals that are supposed to fix this. He told me, off the record, to buy a quart of lemon juice and pput that in the tank, then fill the tank with fresh water to clean the electrodes. Says it works just as well as the commercial chemicals. Guess what...it does!, and it doesn't help a bit. Back to the ole flashlight and water in the bottom of the shower method. Larry
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Old 08-24-2004, 07:37 PM   #35
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Quote:
Originally Posted by Airstreamr
I'll put in in my two scents worth on this. I talked with a chemical sales guy at one of the better know RV stores and asked him about the chemicals that are supposed to fix this. He told me, off the record, to buy a quart of lemon juice and pput that in the tank, then fill the tank with fresh water to clean the electrodes. Says it works just as well as the commercial chemicals. Guess what...it does!, and it doesn't help a bit. Back to the ole flashlight and water in the bottom of the shower method. Larry
All fine and dandy, except the new sensors are not electrode type devices like the old ones where liquid would close a circuit and register a reading. These new sensors measure density and no lemon juice in the world is gonna make them work any better.
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Old 08-24-2004, 07:38 PM   #36
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Quote:
Originally Posted by Xray
Andy,

Here are the documents (download both). Thanks, Twink, for these.

Best regards,
Just saw this.

Anytime!
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Old 08-24-2004, 07:39 PM   #37
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Originally Posted by Silvertwinkie
All fine and dandy, except the new sensors are not electrode type devices like the old ones.
Twink's right. They measure "head pressure".
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Old 08-24-2004, 10:09 PM   #38
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Can't say if this will help, but when we had our 02 Bambi, I was shown at the factory how to adjust the monitors that were currently in that unit. They said it worked best if you first make sure the tanks are empty & then seperate (pry) the front of the wall monitor from the back. Located in behind the plate were small ( & I mean small) screws that one could adjust for the current levels of the tanks. These monitors were NOT the head pressure type, but worked ? with contacts. While on the factory tour ( 03 ) we were shown the NEW type that worked on the head or tank level pressure system & which we now have in our 04 unit. A/S at that time thought these would fix the sensor problems. Well------- so far,so good---- now when we findly get to use the unit we'll see if they work like A/S predicts.
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Old 08-25-2004, 01:10 PM   #39
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Thanks for the feedback! I'll pull the panel and see if I can find calibration screws...

--Doug

Quote:
Originally Posted by A.E. Milliman
Can't say if this will help, but when we had our 02 Bambi, I was shown at the factory how to adjust the monitors that were currently in that unit. They said it worked best if you first make sure the tanks are empty & then seperate (pry) the front of the wall monitor from the back. Located in behind the plate were small ( & I mean small) screws that one could adjust for the current levels of the tanks. These monitors were NOT the head pressure type, but worked ? with contacts. While on the factory tour ( 03 ) we were shown the NEW type that worked on the head or tank level pressure system & which we now have in our 04 unit. A/S at that time thought these would fix the sensor problems. Well------- so far,so good---- now when we findly get to use the unit we'll see if they work like A/S predicts.
Best,
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Old 09-09-2008, 10:44 PM   #40
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bottom line is the sensors airstream uses "suck"...on a classic the only way to replace the sensor is cut a hole in the belly pan....where to cut the hole is the question.
the catcon monitor and sensors are a joke in this industry....when you talk to airstream about the problems they say take it to a dealer...when you take it to a dealer they spend 5 days analyzing the problem then give you the alternative..."we can cut a hole and hope we find the sensor"....it's up to you.
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Old 09-10-2008, 10:28 PM   #41
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or is it still the FF (Fragrant Flashlight) test?

Quote:
Originally Posted by vpurdy View Post
bottom line is the sensors airstream uses "suck"...
Well, thanks for dusting off this thread, I had wondered about those sensors for a while now. It seems that back in 2004, several users had complaints about the fluid sensors being inaccurate, and it was suggested (due to a Forum member contacting the mfgr of one of the two types) that perhaps AS may have had past problems installing them correctly.

In any event, it didn't really seem to get resolved then, just wondering if anyone has anything to add today? vpurdy indicates they are an industry joke.

Are they?
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Old 09-10-2008, 10:47 PM   #42
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I don't know if they are a joke, but compared to the sensing systems that I have had on previous trailers, these are now going on 5 years old with them still working well. I did replace the main panel under warranty, due to a LED light which wouldn't light up.

Initially when these were first used by Airstream, they had problems doing the configuration correctly. Considering the number of trailers out there, I don't believe we have a high level of failures.

I just remember how much I marvel today that the black water sensor still works great, compared to usually one season that the old sensing system lasted.

Jack
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