11 lines
591 B
Markdown
11 lines
591 B
Markdown
## Troubleshooting
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### 1) General
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The program writes information to a log file, which might contain helpful information.
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It is located in the cache directory, usually in `~/.cache/cpdctrl-gui`.
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### 2) The Arduino/LEDD1B does not work
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1) Make sure the Thorlabs LED is plugged in, turned on (turn the dial to a non-zero value) and that the switch is in the **TRIG**er position
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2) Reset the Arduino by pressing the white button on the top and restart the program
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3) Unplug and replug the Arduino and restart the program
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4) Re-upload the code (see section "Technical Information/Arduino Code")
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