Hi ,
The Problem of the machine is that once we switch on the machine the display shows ‘please wait’ and its just stay on the same.
We have interchanged all the PCB’s (DRB, DTMB, Paper Feed Board,Power pack, Power Supply Unit, Controller Board, NVRAM, IPU,Both the HDD,VBCU & Eeprom, AC drive board, operation panel) with a working machine. & found that all the PCB’s are working fine.
I can not enter into SP mode. The machine is not sensing the door open; I am not hearing any sound, except a relay & the controller fan sound.
When I hold the * and # buttons and switch on the machine, the display shows DIAGNOSE: 0200
Write address:0x00000000 and it counts for a while and then it shows compare : 0x00000000 and it counts for a while. There is no improvement on the machine status.
The Initial problem of the machine was paper jam, later it went to SC672, then immediately turn to ‘please wait’ problem.
As per Tessa. We ordered a VBCU and changed the same. But after changing the VBCU the problem remain same. We just tested both the VBCU on a working machine & found both the boards are defective (please wait). Also we found an open fuse on both VBCU (FU2, 125V, 3A, C48) which is next to CN200.
Actually that fuse is handling 5V only, we have replace an another fuse on same rating. I can get 5V at one end of the fuse and the other end is not getting 5V.(Fuse is Good)If You got any idea about this issue please let me know.
Regards,
Raja.
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