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#11
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Jobo ATL-2300 chemical pumping error
Nicholas O. Lindan wrote:
Bingo -- that is where I would say the problem lies. I'd look at the IC sockets first. Just as likely and easier to fix. Ralf -- Ralf R. Radermacher - DL9KCG - Köln/Cologne, Germany private homepage: http://www.fotoralf.de manual cameras and photo galleries - updated Jan. 10, 2005 Contarex - Kiev 60 - Horizon 202 - P6 mount lenses |
#12
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Jobo ATL-2300 chemical pumping error
Baxter wrote:
I am very glad I found this forum, I have had no luck when posting tales of these woes elsewhere. Oh, thanks. We old buggers are always happy if someone tells us that we can still be of some use. ;-) Ralf -- Ralf R. Radermacher - DL9KCG - Köln/Cologne, Germany private homepage: http://www.fotoralf.de manual cameras and photo galleries - updated Jan. 10, 2005 Contarex - Kiev 60 - Horizon 202 - P6 mount lenses |
#13
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Jobo ATL-2300 chemical pumping error
Well I have been a bit daunted by the complexity of the machine, so
have decided to print out the helpful procedures at the Jobo USA website so that I might minimise self-inflicted damage through dissembly. All ICs seemed to be seated correctly and not any obvious damage to pipes/connections. Haven't found the wire sensor yet. The other fact that I forgot to post, but on reflection would seem to be relevant is that when performing a cleaning routine, the fault has never occurred i.e. the bottles are emptied completely irrespective of the volume of water I have put in. Baxter |
#14
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Jobo ATL-2300 chemical pumping error
Baxter wrote:
The other fact that I forgot to post, but on reflection would seem to be relevant is that when performing a cleaning routine, the fault has never occurred i.e. the bottles are emptied completely irrespective of the volume of water I have put in. Ha! Here we are! During the cleaning routine, the flow detection is disabled. Here's what happens: the pump begins to work, a little liquid is pumped while the detection time window lasts, then the program is interrupted because the machine thinks there's no liquid. No while you run to push the start button again, the little soup that there is plays havoc with your film. So, its either the sensor wire or, just as likely, an IC contact on the control board. Things should be a lot easier now. Ralf -- Ralf R. Radermacher - DL9KCG - Köln/Cologne, Germany private homepage: http://www.fotoralf.de manual cameras and photo galleries - updated Jan. 10, 2005 Contarex - Kiev 60 - Horizon 202 - P6 mount lenses |
#16
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Jobo ATL-2300 chemical pumping error
Greg "Blank" - Lizard King. wrote:
Some interesting images Ralf where are these taken? http://www.fotoralf.de/Bilder/Mallorca/htm/0130812.htm All over the island. The one linked above on the way from Arta to Betlem. Ralf -- Ralf R. Radermacher - DL9KCG - Köln/Cologne, Germany private homepage: http://www.fotoralf.de manual cameras and photo galleries - updated Jan. 10, 2005 Contarex - Kiev 60 - Horizon 202 - P6 mount lenses |
#17
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Jobo ATL-2300 chemical pumping error
In article .com,
"Baxter" wrote: Thankyou Ralf I haven't used the machine for 10 days since I have been so cross and frustrated! I seem to remember that a very small bit of fluid is pumped (hence streaking where this has splashed onto film and given more development), it gives up the ghost and so pressing the start button to override relay then gets the rest across. The frustrating thing is that it hardly ever seems to happen when using water in the chemical bottles to fault-find and with no film in the tank. Lulling me into a false sense of security, it then recurs once I am using E6 chemicals and film...... The fact that it is intermittent would indicate electrical fault of some sort wouldn't it? If so and being unfamiliar with these Jobo machines, where is the relay situated? I have found, but not yet checked the other items. Will endeavour to do this later tonight. Do you have the Atl manual? The reason I ask its probably available online as a PDF. -- The things we hate most in life often turn out to be a mirror image of ourselves. But if your going to hate someone Matt Clara says its ok to hate him. Findmedirectly - "infoatgregblankphoto.com" |
#18
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Jobo ATL-2300 chemical pumping error
In article . net,
"Nicholas O. Lindan" wrote: The bottle number on which the fault occurs varies, sometimes just a single one (1, 2 or 3) and sometimes any two, or occasionally all 3 - or even none! It only beeps having correctly moved to the next stage and when trying to pump that particular bottle. Pressing the 'Start" button then activates the pumping process correctly. There aren't level sensors in the bottles. You program the amount of fluid and it performs a simple subtraction process to determine if future runs are possible. I seem to remember that a very small bit of fluid is pumped Whatever is malfunctioning should be something that is common to all three chemicals. It sounds to me like the Jobo starts the action, detects something has gone wrong, and beeps for help. Pushing the start button tells it to try again and this time things go OK. Before the Jobo malfunctions can you hear the pump running for second or two to pump 'the very small bit of fluid'? Or is this a spurt of the previous chemical that may be dispensed by the valves actuating. Is the fluid selection valve a rotary valve or are there valves for each fluid? Is there a sensor to detect fluid going through the pump/tubing? Do you get air bubbles in the tubing? The Atl 3 is set by the user to with draw a given preset amount of chemistry it assumes you have at least that amount in the tank. It also has a default that if left unset will pump from the tank the amount for a given drum selection -- The things we hate most in life often turn out to be a mirror image of ourselves. But if your going to hate someone Matt Clara says its ok to hate him. Findmedirectly - "infoatgregblankphoto.com" |
#19
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Jobo ATL-2300 chemical pumping error
Greg "Blank" - Lizard King. wrote:
Do you have the Atl manual? Yes I do. Plus a disk directory with the complete service documentation downloaded from JOBO USA. Ralf -- Ralf R. Radermacher - DL9KCG - Köln/Cologne, Germany private homepage: http://www.fotoralf.de manual cameras and photo galleries - updated Jan. 10, 2005 Contarex - Kiev 60 - Horizon 202 - P6 mount lenses |
#20
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Jobo ATL-2300 chemical pumping error
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