A350 - Troubleshooting-Guide
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4. Unplug the enclosure cable from the Converter while the other end remaining connected to the Controller.Turn
on the machine. Set the multimeter to voltage mode and test the two big pins. The normal value should be 24 V.
5. Test the GND & pin 1, and then test the GND & pin 2 (see below) respectively. The test results should both be 2.2 V.
If any of the test results in step 4 or 5 is abnormal, then the Controller is broken. Replacing it might solve the problem.










