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Thermocouple Reader Fault

This fault may occur for either the “EBBCan” MCU or the “mcu” MCU. The “EEBCan” MCU relates to the printhead, while the “mcu” MCU relates to the chassis and bed.

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The chamber thermistor is a serviceable item, contact Pantheon if you suspect a chamber thermistor fault has occurred for a replacement.

Heater not Heating at Expected Rate

There are several heating elements on the HS3 that this warning message can relate to. The warning message will mention which heater it relates to. In the picture below, the “extruder” is not heating at expected rate.

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The bed heater is not a serviceable item. Contact Pantheon if you suspect a serious fault has occurred.

ADC out of Range

This fault may occur for either the “EBBCan” MCU or the “mcu” MCU. The “EEBCan” MCU relates to the printhead, while the “mcu” MCU relates to the chassis and bed. ADC out of range typically indicates that one of the temperature sensors has breached its expected operating range.

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Requesting a temperature that is too close to the temperature limit of the bed may cause this warning to occur. For example, if the limit is 130C and the requested temperature is 130C, then when the extruder heats up and tries to maintain 130C, it may reach 130.5C and throw this warning.

MCU Unable to Connect

EBBCan MCU Unable to Connect

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