[Error Code] Toshiba e-studio 4511 error code c030

[Guest]

hello, could some one help me whit this code, the main motor its working, when i start the copier start to work and all things and in the display its warming up but when its almost done of warming up the error code shows in the display c030, i already change the main board because i have another copier but the copier runs for a few days and then it show me again the same error, can some one help me whit this code please.

sorry for my english

[LA TECH]

[C030] Transport motor abnormality

Is the transport motor working? (Perform the output check: 03-123/173)
NO 1. Check if the connector J582 of the transport motor is disconnected.
2. Check if the connector CN348 on the LGC board is disconnected.
3. Check if the connector pins are disconnected or the harnesses are open
circuited.
4. Check if the conductor patterns on the transport motor board and LGC board
are short circuited or open circuited.
5. Replace the transport motor.
6. Replace the LGC board.
YES
1. Check if the PLL lock signal CN348-A7 pin output from the LGC board is always level “L”.
2. Check if the voltage supplied to the ASIC input terminal IC38-149 pin is always “L”.

3. Replace the LGC board.

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[biunivoco]

ya hice lo que dice en el manual, solo me falta reemplazar el motor, realmente no soy tan bueno con lo electronico por lo mismo cambie la tablilla ya que la tenia, por lo tanto descarte el problema del corto en los conectores, no se si tengan algun tip por ahi para resolver este problema