Emerson OXYBALANCE IM-106-4050 - Manual (Page 41)

Instruction Manual
IM-106-4050 Original Issue
March 2006
OxyBalance Oxygen Display
and Averaging System
http://www.processanalytic.com
Section 6 Troubleshooting
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6-1
Probe Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 6-1
OVERVIEW This section describes troubleshooting procedures for probe failure in the
OxyBalance system.
Refer to the PanelView Plus 400 and 600 Terminals Installation Instructions or
the MicroLogix 1200 Programmable Controllers User Manual for any
troubleshooting problems concerning these units.
PROBE FAILURE If the one of the O
2
sensing probe is in failure, make sure to check that:
1. All wiring is secure and properly connected to the O
2
probe.
2. All wiring is secure and connected to the proper contacts inside the
OxyBalance system.
3. O
2
probe is set to transmit a 4-20 mA signal and not set on a different
range , such as 0-20 mA or voltage.
4. All O
2
probes are set to output the same O
2
range, such as 0-10%.
5. The O
2
probe is providing power for the current loop.