NP5 SPI Online Manual

LED signaling

Power LED

Normal operation

In normal operation, the green power LED flashes briefly once per second.

Case of an error

If an error has occurred, the LED turns red and signals an error number.In the following figure, the error number 3 is signaled.

The following table shows the meaning of the error numbers.

Flash rate Error
1 General
2 Voltage
3 Temperature
4 Overcurrent
5 Controller
6 Watchdog-Reset
Note: For each error that occurs, a more precise error code is stored in object 1003h.
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