Gestetner B070 Service Manual page 366

SERVICE CALL CONDITIONS
SC834: Self-Diagnostic Error 8: Optional Memory RAM DIMM
Definition [B]
The write/verify check for the optional RAM chip on the engine I/F board (mother
board) returned an error
Possible Causes
• Controller board defective
• Mother board defective
SC838 Self-Diagnostic Error 9: Clock Generator
Definition [B]
Setup data is read from the clock generator via the I2C bus but differs from the
prescribed value due to defects in the clock generator, in the I2C bus, or the I2C
bus port for the PCU.
Possible Causes
• Controller board defective
SC850: Network I/F Error
Definition [D]
One of the following conditions exists:
• Duplicate IP addresses
• Illegal IP address
• Driver unstable and cannot be used on the network.
Possible Causes
• IP address setting incorrect
• NIB (PHY) defective
• Controller board defective
SC851: IEEE 1394 I/F Error
Definition [D]
Driver setting incorrect and cannot be used by the 1394 I/F.
Possible Causes
• NIB (PHY), LINK module defective; change the Interface Board
• Controller board defective
B070/B071
CÓPIA NÃO CONTROLADA
4-46
CÓPIA NÃO CONTROLADA
SM