¶ Issue Description
The temperature sensor of the heated bed is disconnected.
¶ Reasons
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The cable of the heated bed temperature sensor is loose or damaged.
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The heated bed or motherboard is damaged.
¶ Troubleshooting Steps
¶ Tools necessary for troubleshooting
- A 2.0 mm Allen key
¶ Step 1 Re-plug the heated bed temperature sensor cable on the motherboard.
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Turn the power switch OFF (symbol "〇") and unplug the power supply cable.
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Remove the lid.
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Loosen the ten screws securing the bottom cover with a 2.0 mm Allen key.
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Reconnect the heated bed temperature sensor cable on the motherboard and check the pins of the connector.
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Plug in the power supply cable and turn the power switch ON (symbol "|").
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If the error code disappears, it indicates that the issue has been solved.
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If the error code still occurs, refer to Step 2 for further troubleshooting.
¶ Step 2 Swap the chamber temperature sensor cable and the heated bed temperature sensor cable for testing.
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Check the heated bed temperature and chamber temperature on the touch screen.
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Turn the power switch OFF (symbol "〇") and unplug the power supply cable.
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Insert the chamber temperature sensor cable into the heated bed temperature sensor port.
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Plug in the power supply cable and turn the power switch ON (symbol "|").
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Observe the chamber temperature on the touch screen.
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If the chamber temperature shown on the touch screen is abnormal, it indicates that the heated bed is damaged and needs to be replaced.
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If the chamber temperature shown on the touch screen is normal, it indicates that the motherboard is damaged and needs to be replaced.