having this c6950 issue on 3 Taskalfa 3051ci.Different locations same symptoms. Starts with a 980 error code then goes into the C6950 error with main cover open message. Maintenance Mode 163 (Reset Fuser error)is not present as well. Updated to latest firmware replaced IH unit IH PWB Feed PWB 1 according to service manual.Problem still exists. It also points to Power Source PCB and engine board. Any help would be appreciated.
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Re: C6950
[QUOTE=Kyo fan;492493]Check and reinsert YC6 connector on engine pwb.
YC6.jpgthanks will try and let u knowComment
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Re: C6950
I had this on a 3051ci machine turned out it was the low voltage board. Check voltages on the board and see it the outputs are correct. I had no 24v outputs at all.If at first you don't succeed, redefine successComment
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Re: C6950
i had this on 3051ci,3551ci before.
it was fix after replaced (302N494080 PARTS UNIT LOW VOLTAGE SP)
after replaced this board,run u163,it works.
very interesting,it mostly happen on 3051ci,3551ci.
three of them was installed on 2014winter&2015 springComment
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Re: C6950
hey guys thanks for the info. replaced the PARTS UNIT LOW VOLTAGE SP 302N494080 and all is well.Comment
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Re: C6950
Hi all,
I am having the same issue with my 3051ci. was able to diagnose that the "Low Voltage SP Board", Part #: 302N494080 is the problem.
I have located a board from a USA supplier, but they have 110V and we use 240v, will this be an issue?
btw, I am in the Fiji Islands, in the South Pacific.
any help in locating a supplier closer to home would be much appreciated.
Do note that my local dealer has refused to fix this issue, as their technicians made my initial machine problem worse and now the C6950 error. the techs even could not diagnose correctly. they had told me to the PWB Main Assy SP board.
thanks in advance.
Vikash
Fiji IslandsComment
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Re: C6950
My C6950 happened DURING firmware update.
Had to replace fuser IH boardComment
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