Nmark GCL Hardware Manual
Chapter 3: Maintenance
D A N G E R : Always disconnect the Mains power connection before opening the Nmark GCL
chassis.
D A N G E R : Before performing any tests, be aware of lethal voltages inside the controller and
at the input and output power connections. A qualified service technician or electrician should
perform these tests.
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Chapter 5
Troubleshooting
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