Emerson Rosemount OCX 8800 - Total Power Loss

8.1.4 Total power loss
In the event that the transmitter will not power up at all, check the incoming power supply
to make sure power is being delivered to the transmitter.
If the incoming power supply is good, then check fuses F1 and F6 in the electronics
housing. Refer to Figure 8-1 for fuse locations.
Troubleshooting
194 OCX 8800