SC Code Descriptions
SM 6-6 D245/D246/D247
SC No. Level Error Name/Error Condition/Major Cause/Solution
144-00 B Scanner communication error
The machine cannot communicate in the MPU, or the
communication result is unexpected.
 Unexpected communication
 Power failure
1. Reconnect the harness of the CIS.
2. Replace the following parts.
 Replace the MPU.
 Replace the harness of the CIS.
6.2.2 SC2XX: EXPOSURE
SC No. Level Error Name/Error Condition/Major Cause/Solution
202-00 B Polygon motor: ON timeout error
Polygon motor locking has not been detected when 7 seconds
have elapsed after the machine turned the polygon motor ON.
 The interface harness to the polygon motor driver damaged
or not connected correctly.
 Polygon motor or polygon motor driver defective
 Polygon motor drive pulse cannot be output correctly.
(Polygon controller)
 Check the harness of the laser unit (disconnected, etc.).
 Check if the laser unit connector is connected.
 Check if the PSU 24 V power is output.
 Replace the interface harness of the laser unit.
 Replace the laser unit.
 Replace the MPU
 Replace the PSU
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