6. Error Handling
An error message will be shown in the main view if an error is received from the controller.
• Error when writing data – error 3 [Timeout – echo msg]:
The LT-Interface does not get an expected response from the PR-59.
Check the following:
• Controller is connected to the computer.
• Controller is connected to the chosen COM port.
• The yellow LED on the PR-59 is flashing.
• The communication wires are not damaged.
• Error when trying to open the serial port – error 6 [Cmd open error]:
Chosen COM port is not available. Click Setup > Global setup, change COM port to the port that
the PR-59 is connected to.
For additional assistance with error messages, please consult with Laird Thermal Systems.
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