Rosemount Oxymitter 4000, Instruction Bulletin

Page: 83 / 127

IB-106-340
5-18
Table 5-2. SPS 4000 Fault Finding.
SYMPTOM CHECK FAULT REMEDY
No calibration
gas flow Wiring Improper wire connections,
loose connections, or damaged
wiring Properly connect wiring or secure loose
wiring connections; replace damaged
wiring if necessary.
Logic I/O Oxymitter 4000 logic I/O not
set for calibration handshaking
with SPS 4000 Set logic I/O to mode 8 via HART/AMS.
Calibration gas lines between
cylinders and manifold Clogged calibration gas line Replace clogged calibration gas line.
Calibration gas flowmeter knob Flowmeter knob not turned
counterclockwise to allow flow
Turn calibration gas flowmeter knob
counterclockwise to allow calibration gas
to flow.
Calibration gas line between
manifold and calibration gas
flowmeter Clogged calibration gas line Replace clogged calibration gas line.
Fuse on power supply board Blown fuse Replace fuse per paragraph 6-10a.
Interface board operation Interface board not sending
signals Replace interface board per paragraph
6-10b.
Check valve Clogged check valve Replace check valve per paragraph
6-10e.
Calibration gas line between
calibration gas flowmeter and
check valve Clogged calibration gas line Replace calibration gas line.
Calibration gas flowmeter Clogged flowmeter Replace flowmeter per paragraph 6-10h.
Power supply output Power supply failure Replace power supply board per
paragraph 6-10b.
Solenoid Solenoid failure Replace solenoid per paragraph 6-10c.
Pressure switch Pressure switch failure Replace pressure switch per paragraph
6-10d.