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This unit has 2 LED indicators to help diagnose simple problems.
INPUT POWER
Indicates that power is being received by the unit
If the LED is not on, check with a voltmeter that there is power at the
connections.
Check that the polariy is correct, Positive to Pin 1 and Negative to Pin
2. If the power is reversed, the unit is not damaged, but the input fuse
must be replaced by a service technician experienced in Surface Mount
Technology.
OVERLOAD
Indicates that the output current exceeds the continuous rating of the unit:
If this happens frequently, reduce the load connected to the unit.
Troubleshooting