Network Failed I/O

This error is generated whenever Input/Output board (upper control panel) has lost its communications link with the master (lower control panel door) and the fan/heater boards. Check the blue and yellow wires marked N1-01 and N1-02 on a 3 terminal plug to make sure they are plugged in tightly. There are 3 LED lights next to this plug, one indicates power and the other two indicate data being transmitted. These two labeled RXD and TXD, should be flashing randomly back and forth indicating network activity.

Network Failed Mast

This error is generated whenever Master Display board (lower control panel) has lost its communications link with the Input/Output board (upper control panel door) and the fan/heater boards. Check the blue and yellow wires marked N1-01 and N1-02 on a 3 terminal plug to make sure they are plugged in tightly.

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GSI Outdoors PNEG-951 manual Network Failed I/O, Network Failed Mast