Gestetner A294 Service Manual page 485

Rev.9/2001
SC642: Communication Error between SICU and BCU (CH1) 3
Definition [B]
The SICU cannot receive the data from the BCU properly.
Possible Causes
• Poor connection between the SICU and BCU boards
• SICU board defective
• BCU board defective
• Noise on the interface cable
SC643: Communication Error between SICU and BCU (CH2) 1
Definition [B]
The SICU cannot communicate with the BCU properly.
Possible Causes
• Poor connection between the SICU and BCU boards
• SICU board defective
• BCU board defective
• Noise on the interface cable
SC644: Communication Error between SICU and BCU (CH2) 2
Definition [A]
The BCU cannot receive the data from the SICU properly.
Possible Causes
• Poor connection between the SICU and BCU boards
• SICU board defective
• BCU board defective
• Noise on the interface cable
SC645: Communication Error between SICU and BCU (CH2) 3
Definition [B]
The SICU cannot receive the data from the BCU properly.
Possible Causes
• Poor connection between the SICU and BCU boards
• SICU board defective
• BCU board defective
• Noise on the interface cable
SM
CÓPIA NÃO CONTROLADA
7-27
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
A294/A295