Power Troubleshooting; Overview; Power Supply Test - ABB XSeries G4 6200 User Manual

5) If any values are returned out of range, the RTD probe is defective. Replace
5.3

Power troubleshooting

5.3.1 Overview

This section focuses on determining what was has caused the G4 EX to lose
power. Generally, loss of power can be attributed to only the power supply
system. However, if the power supply system is used for powering a transceiver or
other peripheral equipment, a problem with that equipment may drain the battery
and cause the G4 EX to lose power.
The following procedures represent tests that the user can implement to deduce
the problem that exists with the powering of the unit.

5.3.2 Power supply test

Various equipment configurations will necessitate moving to one or more
additional tests from this location.
5.3.2.1
1) Check that the power supply voltage setting, the power supply current rating
2) If this is a new installation and external power is being powered from the G4
3) Correct and retest, as necessary.
4) Check for a poor cable connection between the G4 EX board and the
5) Verify that all field wiring screw terminals on the termination board are tight
Page 5–8
the RTD.
Step-by-step instructions
and the cables used for the installation meet the recommended
requirements.
EX, call Totalflow Technical Support for help in evaluating the cable and
power supply installation requirements.
lithium battery pack.
(see Figure 5–4).
2104349 rev. AD