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Sani Con not Working

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jg1199

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Sani Con not Working
« on: December 09, 2021, 10:54:02 pm »
Sani Con is not operating. No power. Any suggestions on starting the diagnosis?

Thanks, John

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donc13

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Re: Sani Con not Working
« Reply #1 on: December 10, 2021, 09:17:43 am »
Are the valves working?  Is the 12v cutoff switch by the side door turned on?  Check the fuses in the power distribution center.  Batteries OK?  And is the ground wire back by the sanicon properly grounded.

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Don and Patti

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Ron Dittmer

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Re: Sani Con not Working
« Reply #2 on: December 10, 2021, 10:31:09 am »
Hi John,

Don offers some sound advise.

Adding to that, check to see if the Sanicon can spin.  It may be getting power but is locked-up, unable to spin.  Place a flat blade screwdriver in the end of the unit as shown here, spin the motor by hand and see if it unjams or otherwise wakes up.

If the problem persists after spinning the motor, then check the fuse panel.  The motor uses a lot of power so it will be a high amperage fuse.

If the fuse panel checks out, then I would crawl under the area of the Sanicon and disconnect the 2 wires down there.  Check the connections for corrosion.  Also test the source wires by either measuring the voltage or using a simple 12V light bulb tester to verify that 12 volt power is or is not present at that connection.

Our original Sanicon with it's original wire connections are shown here.  The connectors are not sealed from the environment, hence water and winter road salt water can get inside and break the connection through corrosion.


With our 2007 PC, something inside me wants to say that the power to the Sanicon is sourced from the chassis battery, not the house batteries.  With the house power shut down, the Sanicon may still work.  If that is true, then the fuse would likely be located by the parking brake behind the kick panel there, in an in-line fuse socket.

Our 2007 PC is moth-balled right now.  It is not easy for me to verify my shady thoughts about it.  Maybe someone with an operational PC will verify or conclude otherwise today by shutting down their house power and see if their Sanicon still operates.
« Last Edit: December 10, 2021, 11:05:54 am by Ron Dittmer »
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jwg1199

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Re: Sani Con not Working
« Reply #3 on: December 10, 2021, 02:05:06 pm »
Thank you guys so much for the info.! We have a 2018 2552 and I will dig into this in a few days....

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donc13

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Re: Sani Con not Working
« Reply #4 on: December 10, 2021, 07:19:12 pm »
Thank you guys so much for the info.! We have a 2018 2552 and I will dig into this in a few days....

OK, with a 2018 model, you have the turbo sanicon, so Ron's check by spinning the motor by hand won't work.. He has a different model.

It's a 20amp 12v circuit breaker and on my 2015 model 2551 it's mounted underneath the passenger side bed.  On your 2552 it should be mounted in the same place. It is not one of the 12v fuses or the 120v circuit breakers in the panel.  Again, that goes for my 2015 model, they may have changed that in newer models.

Ron's checks for the wiring are still appropriate for your unit.
« Last Edit: December 10, 2021, 07:22:59 pm by donc13 »
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Ron Dittmer

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Re: Sani Con not Working
« Reply #5 on: December 11, 2021, 12:22:24 am »
Thanks Don for your corrections and clarifications.
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fandj

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Re: Sani Con not Working
« Reply #6 on: December 11, 2021, 12:24:13 am »
In my 2016 model 2552 it is under the passenger side bed also.  In mine it is the third breaker in the row and is wired with black wires.  The breaker is 20 amp.  Along side the breaker is a black cube.  This is the macerator relay that sends power to the macerator pump.

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Engineerlt

Re: Sani Con not Working
« Reply #7 on: December 15, 2021, 05:13:23 pm »
Mine is the same as FANDJ my breaker/thermal overload is located at the top and has black wires. The relay is next to the breaker/thermal overload.
If you go under the coach all the way to the rear (driver's side) you can see the wires leading out of the tank that houses the sanicon pump, where all the sewer/gray water lines connect. The white wire is ground, the blue wire is hot. If you flip the switch to run the pump and check the blue wire for power. If power is present then pump is probably froze up. If no power check to see if you have power at the relay blue wire with the switch on. If you had power at the pump you are supposed to be able to remove the round port on the bottom of the tank and clean out the intake of the pump and turn the impeller. Just ensure your gray and black valves are closed at the tanks. If not it's going to be a big mess.

Mine stopped working it has power to it, I am not pulling the round cover to inspect the intake of the pump until I get home. So I just got a regular sewage hose for now.

Very Respectfully
Lance

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zolman

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Re: Sani Con not Working
« Reply #8 on: December 16, 2021, 07:58:26 am »
My sani con also stopped working. Power was getting to the switch but switch wasn't activating the motor.

I found that one of my connectors had corroded. I cleaned all connections for both the motor and valves with contact cleaner and applied dielectric grease to all connections. Then I sprayed battery terminal protector spray on every terminal and covered every wire with wire protector sleeves.

That was 6 months ago and everything works perfectly.

I also adjusted and tightened all the nut settings for my tank valves and firmed the setting with blue thread lock. I found that all the loosened and the valves were not opening all the way. 

All those connectors are right behind the driver side rear wheels. In rain, snow or any wet conditions they are likely to get very wet.

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Ron Dittmer

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Re: Sani Con not Working
« Reply #9 on: December 16, 2021, 09:32:46 am »
My sani con also stopped working. Power was getting to the switch but switch wasn't activating the motor.

I found that one of my connectors had corroded. I cleaned all connections for both the motor and valves with contact cleaner and applied dielectric grease to all connections. Then I sprayed battery terminal protector spray on every terminal and covered every wire with wire protector sleeves.

That was 6 months ago and everything works perfectly.

I also adjusted and tightened all the nut settings for my tank valves and firmed the setting with blue thread lock. I found that all the loosened and the valves were not opening all the way. 

All those connectors are right behind the driver side rear wheels. In rain, snow or any wet conditions they are likely to get very wet.
2o2
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Re: Sani Con not Working
« Reply #10 on: November 09, 2022, 12:30:22 pm »
Hello, I found this relevent message and wanted to inquire on addtional details.  I have a 2019 2350 and the sanicon sounded slower and slower like not getting enough voltage.  I reviewed the terminals behind the driver wheel and cleaned them up which seemed to work for a short time.  It doesnt work again and removed the wires at the switch, removed the cruddy terminal ends and tested the wire good with 12V. When bypassing the switch and putting both wires together the pump is still not turning on and hear clicking under the bed each time you touch the wires.  Before I pull the bed apart and locate where those wires are going before getting to the sanicon, i was hoping someone else may have furhter details or suggestions.  Thanks everyone!!  Also,  cannot figure out yet how to get to the other wires since unit is all sealed with heat tape, etc? Iíd like to check other wires and clean terminals but donít see them exposed.
Thanks
Rob
« Last Edit: November 09, 2022, 02:08:40 pm by RJW365 »