• Code: 530-00
• Description: Main fan error The main fan motor lock signal goes high for 5 s while the fan is on.
• Causes: • Fan motor overloaded due to obstruction • Fan connector disconnected

• Code: 540-01
• Description: Fusing exit motor error The PLL lock signal was low for 2 s during motor operation.
• Causes: • Motor lock caused by physical overload • Motor drive PCB defective

• Code: 540-02
• Description: Fusing web motor error 1 The amount of current detected during operation of the web motor exceeded 350 mA in 5 successive samples.
• Causes: • Motor connection loose, broken, defective • Motor disconnected • Motor lock or short

• Code: 540-03
• Description: Fusing web motor error 2 SC540-02 has occurred three times and the machine has shut down automatically due to failure of the web motor.
• Causes: • Web motor harness loose, broken, defective • Web motor disconnected • Web motor defective

• Code: 540-04
• Description: Fusing web motor error 3 SC540-02 has occurred at total of 10 times and the machine has shut down automatically due to failure of the web motor.
• Causes: • Web motor harness loose, broken, defective • Web motor disconnected • Web motor defective

• Code: 541
• Description: Fusing thermistor open The fusing temperature detected by the center thermistor was below 0°C for 7 s.
• Causes: • Thermistor open • Thermistor connector defective • Thermistor damaged, or out of position • Fusing temperature –15% less than the standard input voltage

• Code: 542-001
• Description: Fusing temperature warm-up error 1: Center themistor The center thermistor that touches the hot roller determined that the hot roller failed to reach the warm-up temperature within the prescribed time.
• Causes: • Fusing lamp disconnected • Thermistor warped, out of position • Thermostat has opened

• Code: 542-002
• Description: Fusing temperature warm-up error 2: Center themistor The center thermistor that touches the hot roller determined that the hot roller failed to reach 100 within the prescribed time.
• Causes: • Fusing lamp disconnected • Thermistor warped, out of position • Thermostat has opened