Emerson Process Management 3000 - Manual (Page 141)

Instruction Manual
Appendix D Rev. 2.4
July 1998
Rosemount Analytical Inc. A Division of Emerson Process Management Appendices D-5
World Class 3000
MPS 3000 TROUBLESHOOTING
D-3 OVERVIEW
This section describes troubleshooting for the
Multiprobe Calibration Gas Sequencer. Addi-
tional troubleshooting information can be found
in the Instruction Bulletin for the electronics
package. Install all protective equipment covers
and safety ground leads after trouble-
shooting. Failure to replace covers
and ground leads could result in seri-
ous injury or death.
D-4 TROUBLESHOOTING
Table D-2 provides a guide to fault finding fail-
ures within the MPS. The flowchart in Figure
D-5 provides an alternate approach to fault
finding MPS related problems.
Table D-2. Fault Finding
SYMPTOM CHECK FAULT REMEDY
1. Power to solenoid,
calibration gas not
released to probe.
Calibration gas Insufficient calibration
gas Install new calibration gas
tanks.
Solenoid Solenoid failure Replace solenoid.
2. No power to
solenoid.
Power supply output Power supply failure Replace power supply.
Fuses in power
supply Fuse blown Replace fuse.
Main power source Main power off Reestablish power.
D