SC No. Type Error Name/Error Condition/Major Cause/Solution
SC285-01 C Laser optics positioning motor (in LD unit) :Power control error
The power supply from PSU is not supplied to the laser optics positioning
motors.
• Software error
• Imaging IOB defective
• BCU defective
1. Turn the main power OFF/ON.
2. Update the firmware.
3. Replace the imaging IOB.
4. Replace the BCU.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC285-02 C MUSIC error
The results of MUSIC pattern reading failed 4 times.
(even if mode e (real time MUSIC) fails, the error count is not
incremented (+1))
For details about cause and solution, refer to page 966 "When
SC285-02 (MUSIC Error) Is Displayed".
Service Call 202-285
791
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