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Q : For GD300-21,"Pressure signal failure" or "temperature signal failure" is displayed
A: on the HMI and it cannot be started.
How to solve it?
Please check whether the signal of the pressure transmitter is wired incorrectly or damaged, and whether the temperature sensor PT100 is wired incorrectly or damaged. After the fault is removed, GD300-21 will automatically reset, display the standby state, and then ready to run.
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