Grain Systems PNEG-1755 - Manual (Page 29)

PNEG-1755 PLC WatchDog 29
5. Troubleshooting
Problem Potential Fix
Green LED off on 24 VDC power supply. 1. Check the 120 VAC wiring to the unit. (See Figure 9A on Page 33.)
Red STS LED off on the Red Lion controller. 1. Verify 24 VDC wiring to the unit. (See Figure 9B on Page 34.)
Unable to connect to PLC WatchDog web site.
1. Verify all wiring connections to the Red Lion controller.
2. Verify proper IP address.