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Code :

Code: 530
Description: Fusing fan error
The CPU detects the fusing fan lock signal for more than 3 seconds.
Causes: • Poor connection of the fusing fan • Fusing fan defective

Code: 531
Description: PSU fan error
The CPU detects the PSU fan lock signal for more than 3 seconds.
Causes: • Poor connection of the PSU fan • PSU fan defective

Code: 541
Description: Thermistor error
The fusing temperature detected by the thermistor is 0°C for 7 seconds after the fusing relay has been turned on.
Causes: • Thermistor defective

Code: 542
Description: Fusing temperature warm-up error
The fusing temperature does not increase by 7°C for 10 seconds. The fusing temperature does not reach more than 135°C for 24 seconds after the main switch is turned on.
Causes: • Thermistor defective or deformed • Fusing lamp open • Fusing thermostat open

Code: 543
Description: Fusing overheat error: Software
A fusing temperature of over 235°C is detected for 0.5 seconds by the fusing thermistor.
Causes: • Fusing thermistor defective • Power supply board defective

Code: 544
Description: Fusing overheat error: Software
The machine detects an overheat error of the hardware.
Causes: • Fusing control out of control • Power supply board defective

Code: 545
Description: Fusing lamp stays on
The fusing lamp stays on more than 12 seconds after the main motor has been turned off.
Causes: • Fusing thermistor defective • Power supply board defective • Defective connection of the fusing unit

Code: 547
Description: Zero cross signal malfunction
Zero cross signals are already detected for 0.15 seconds before the fusing relay-on. Zero cross signals are not detected for 3 seconds or the machine cannot detect a frequency.
Causes: • Power supply board defective • Unstable main power supply condition

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