After starting the HP2 heat press machine, its screen displays error code E3 or E4. At the same time, the buzzer sounds an intermittent alarm (1-second beeps).


The error occurs when the outer NTC sensor is either open-circuited or short-circuited.
If error E3 or E4 appears again, proceed to Step 3.
If the issue persists after restarting, please submit a ticket as instructed to get the machine replaced.
Should the issue persist after completing the preceding steps, submit a ticket via the "Submit a Ticket" button in the "Help Ticket" section below. The standard response time for xTool Customer Service is one business day.
For a prompt resolution, please include the following details:
This information is crucial for xTool technical support engineers to provide timely assistance.
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