SC No. Level Error Name/Error Condition/Major Cause/Solution
SC144-00 D SBU Communication Error
• Connection to SBU cannot be confirmed. (Connection detection
error)
• Cannot communicate with the SBU, or the communication result is
abnormal.
• SBU defective
• The other side of the communication (BCU, IPU etc.) defective
• Power/signal harness defective
1. Turn the power off/on.
2. Reconnect the power/signal harness.
3. Replace the following parts:
• Replace the SBU board.
• Replace the IPU board.
• Replace the BCU board.
• Replace the power/signal harness.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC161-01 D IPU Error (LSYNC abnormal)
An error occurred during the self-diagnostic test performed every time the
machine is turned on, or returns to full operation from energy save mode.
• IPU board defective (ASIC connection failure, ASIC abnormal, etc.)
• Cable between SBU and IPU defective
• Replace the IPU board.
• Check the cable between SBU and IPU
Service Call 101-195
455
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