Description: Platen release motor lock The sensor does not turn off for more than 5 seconds after the platen release motor on signal is generated. The sensor does not turn on for more than 5 seconds after the platen release motor on signal is generated.
Causes: • Defective sensor • Defective motor
Code: SC212
Description: Master cut error The master edge sensor remains on after the first master cut recovery operation. (Normally, the master is cut if the master edge sensor detects a mis-cut master the first time.) The master edge sensor remains on after the machine detects SC300 (main motor lock) during master wrapping. Normally, the cutter operates if the machine detects SC300 (Main motor lock) during wrapping a master on drum, also after the master edge sensor is still ON when the drum turns to HP again. The cutter HP switch does not turn on within 3 seconds after starting the cutter motor, and the master edge sensor remains on when the drum turns to HP after the cutter motor turns in the opposite direction and returns to HP.
Description: Master Making Unit lock solenoid error The master making unit lock sensor does not turn off after releasing the master making unit lock solenoid.
Causes: • Defective master making unit lock solenoid • Defective master making unit lock sensor.
Code: SC300
Description: Main motor lock (1st drum position sensor does not turn on) At power on or when the drum returns to home position, the 1st drum position sensor is not activated for more than 5 seconds after the main motor on signal is generated.
Causes: • Defective sensor • Defective main motor • Defective main motor drive board • Defective FU703+704 on the PSU • Damage gear of main motor
Code: SC301
Description: Main motor lock (motor control signal error) The CPU on the motor control board detects an abnormal signal from the main motor encoder.
Causes: • Defective main motor • Defective main motor drive board
Code: SC302
Description: Main motor lock (3rdDrum Home position sensor error) When the drum is at the home position, 3rddrum home position sensor does not turn on 3 continuous times.