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Error code: 1930

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Description :

• Pre Heater AD abnormal error

Explanation :

• A thermistor temperature out of a predetermined range was detected the predetermined number of times in a row.

Check points :

• Is the thermistor out of order?
• Is there any disconnected connectors or damaged cables?

Remedy :

• Replace the thermistor (Pre Heater).
• Replace the Main Board.