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calebarchie

Noritsu V30RA Drain Issue

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Hi Guys,

We have recently acquired a V30 RA machine with a peculiar issue and need some assistance. The machine appears to work fine, all pumps working however the final STAB tank continuously drains to the waste tank while the machine is on before being stopped by the low level alarm. The machine otherwise holds the tank volume when powered off, just off the top of my head it seems to be a valve problem - do these have poppet valves and may it have been reversed somehow? 

I am unsure which I/O checks to perform to give us a better clue of whats happening however we will be taking the machine apart further in the coming days to better diagnose the problem just thought I would ask here in case it is something simple.

We appreciate any help and stay safe! 

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14 minutes ago, Minilab service said:

Check STB sensor. Can do it using multimeter, or from input check menu. Also can be that sensor is mounted too high and level reached only when level is on drain level. 

Hi thanks for the response, do you mean the float switch? I am not with the machine ATM but will report back. 

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12 hours ago, kodak_service said:

Check the stabilizator replenisher pump through the Output Check menu. It is possible that the electronic relay SSR13 is broken in the J390012 board and the pump does not turn off.

How would this be fixed?

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Unfortunately, I do not know your technical capabilities.
If the indicator LED responds to commands in the Output Check mode, and the pump runs continuously, you must replace the SSR13 relay (microcircuit) or the entire board.
If the pump will respond to commands in test mode, then you will need to think further.

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9 hours ago, ReformedFilmLab said:

I’m having the same exact issue with a recently acquire v30. My fixer pump constantly runs and is draining it to my waste tank. Lost 6 liters today in about 30 minutes.

 

what would cause it to run all the time?

Check the "REPLENISHMENT LACK TIME" is not at very high number. You can safely set it to 0

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Happy to report after several hours of testing and lots of head scratching by chance we finally found and fixed the issue. It was a leak in the circulating 'U' heating element between the STB 1 & 2 Tanks due to corrosion, we also managed to diagnose and resolve several other issues including clogged lines and dryer problems. We have taped it up for now and everything is running fine, we will work towards a permanent fix for the hole most likely by extending and clamping the tube over it. 

Thankfully no electrical issues with the board per above responses, thank you all for the help. 

90987360_528377197863008_4998209903718825984_n.jpg

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