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"POWER SWITCH ON" message on my FP230B film minila


photomaster
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Hello ! Can anyone please tell me why appears this message on my film minilab from a couple of weeks ? The problem is this message doesn't dissapear, it last for hours though the pumps and the heaters are on ; so the normal checking issues don't show on the display in order to start up the minilab an usual. I have to conect and disconect the main switch several time quikly and sometimes this unkown message is gone and the minilab comes back to normal state, but from a couple of days this doesn't work out anymore.  Then I have to disconect the plug out of the wall and harly the minilab comes to its normal state. Please, advice me, thank you !

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Are you talking about the electronic board or about the keyboards?  I though maybe the vapours out of the tanks come to the electronics circuits and maybe this have some influence for this effects.  I still have no clue yet ..

Please anyone else who knows something to put here some thoughts.

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  • 2 weeks later...
An assumption of mine is that your boards are dieing. It hapened to me but with the left film sensor that always said it has film on its side.

I just got a new developer after cleaning and testing everithing in vane.

Try adjusting the IR sensors sensitivity using a small screwdriver. The presets are located right under the film loader. (a big electronic board with 6 cyan presets and 6 leds, the ones that are on are the ones that are sensing)

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Are we talking about a Fuji FP230B? If so my guess are that it is a case of bad connection in the "power on switch". There are two sections of the power switch, one triggers the PWE board and the other tells the system that the power switch is on via CPE con 6. The power switch is not meant to switch mA circuits like the one to CPE. After a long while there will be trouble with oxidations.  It is possible to check the connector. Do this with the FP 230 COMPLETE DISCONNECTED FROM THE OUTLET. Unplug PWE CN15 and CPE CN6.  Use an ohm meter and take a reading across the connector flipping it on and off. You should get clear readings "open circuit" and a very low reading in the single ohm area. If you don't get the low reading you have found the error.

Regards

Hello ! Can anyone please tell me why appears this message on my film minilab from a couple of weeks ? The problem is this message doesn't dissapear, it last for hours though the pumps and the heaters are on ; so the normal checking issues don't show on the display in order to start up the minilab an usual. I have to conect and disconect the main switch several time quikly and sometimes this unkown message is gone and the minilab comes back to normal state, but from a couple of days this doesn't work out anymore.  Then I have to disconect the plug out of the wall and harly the minilab comes to its normal state. Please, advice me, thank you !
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sorry about the tech talk. In the electric cabinet below the film entry there are two large circuit boards. The upper are CPE board and the lower are the PWE board. The CPE board handle "inputs", signals from keyboard, infrared sensors, temp sensors and so on. The PWE board controls the "outputs", heaters, fans, pumps, cutters........

PWE CN15 translates to: connector 15 on PWE board. All connectors are marked on the circuit board with "CNxx". CPE CN6 translates to: connector 6 on the CPE board.

regards

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  • 2 weeks later...

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