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If you're getting this code on a "few" machines, are you tampering with the mechanical counter or zeroing the NVram counter? This is the only thing that can cause this SC.
If you're getting this code on a "few" machines, are you tampering with the mechanical counter or zeroing the NVram counter? This is the only thing that can cause this SC.
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hi
no i havnt tampered with the mech counter or the NVram. I only bought these machines 4-6months ago, and the meter was low approx. 50k - 80k. It could be that the company i got them from did!?!
i changed the NVram but no luck, what can i do to fix it?
today i recieve mp2510 with sc901.. try to replace nvram, mechanical counter, bicu board, cntroller and still give same problem.. after change power supply board the problem was fixed.
Every time I have seen SC901 it is because the mechanical counter is not connected or the connector is loose. When the controller tries to send a count pulse to the counter, it senses no current and throws the code. On some machines there is an SP setting to turn off the mechanical counter.
Every time I have seen SC901 it is because the mechanical counter is not connected or the connector is loose. When the controller tries to send a count pulse to the counter, it senses no current and throws the code. On some machines there is an SP setting to turn off the mechanical counter.
in my case i check all even if the cables and conectors and all was ok... only problem was the power supply but after change it problem was solved!
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