Model 4802A
Quick-Start Guide
xiii
1.6 Applying Power
Zero Two Series Modules do not have an ON/OFF power switch. Each module in the
Zero Two Series operates from 24Vdc. Current requirements will vary according to the
number and type of modules in the system, as well as the number and type of field
devices.
NOTE - If the application of power does not turn ON the unit, check fuse F1 on the
control board.
NOTE - If the unit displays an F4 condition upon power-up first try to clear this
condition by calibrating the sensor. If this condition persists, replace the sensor.
Figure 17 indicates where the power connections for the chassis are made.
Figure 17 – Rear Power Connections
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