No. Type Details (Symptom, Possible Cause, Troubleshooting)
547
-03
D Zero cross error
• The zero cross signal is detected three times even though the heater relay is
off when turning on the main power.
• The zero cross signal is not detected for 2 seconds even though the heater
relay is on after turning on the main power or closing the front door.
• The detection error occurs twice or more in the 11 zero cross signal
detections. This error is defined when the detected zero cross signal is less
than 45.
• Unstable power supply
• Check the power supply source.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
551 A Heating roller thermistor (end) error 2
The temperature measured by the heating roller thermistor (end) does not reach
0°C for 6 seconds.
• Loose connection of heating roller thermistor (end)
• Defective heating roller thermistor (end)
1. Check that the heating roller thermistor (end) is firmly connected.
2. Replace the heating roller thermistor (end).
6. Troubleshooting
590
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