Measuring DC Power Supply Voltages
1.
Check the power supply status LEDs, they should be bright.
2.
If the system is operational, use the diagnostic test Monitor Voltages.
Ensuring Ground Integrity
Intermittent or missing ground connections can result in minor interferences in the
system. As examples:
control panel display can be affected (blank)
I/O board errors
False jam reporting
Erroneous thermistor readings
Major interruptions
Damage to the electrical boards
General Troubleshooting
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