Service Call 101-195
SM 5-15 D146/D147/D148/D149/D150
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 (BiCU, iCTL) board defective (ASIC-LEO connection
failure, LSYNC abnormal, etc.)
§ Cable between SBU and IPU (or BiCU) defective
§ Replace the IPU (or BiCU) board.
§ Check the cable between SBU and IPU (or BiCU)
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