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Instruction Manual
IM-106-340AC-1, Rev. 1.0
April 2005
5-3
SPS 4001B
Table 5-1. SPS 4001B Fault Finding
No calibration gas flow
Probable Cause Recommended Corrective Action
Improper wire connections, loose
connections, or damaged wiring
Properly connect wiring or secure loose wiring connections; replace damaged wiring if
necessary.
Oxymitter 4000 logic I/O not set for calibration
handshaking with SPS 4001B
Set logic I/O to mode 8 or 9 via HART/AMS.
Clogged calibration gas line between tank and
manifold
Replace clogged calibration gas line.
Flow meter knob not turned counterclockwise
to allow flow
Turn calibration gas flow meter knob counter-clockwise to allow calibration gas to flow.
Clogged calibration gas line between manifold
and calibration gas flow meter
Replace clogged calibration gas line.
Blown fuse Replace fuse per "Fuse Replacement", Section 4, Maintenance and Service
Circuit board not sending signals Replace circuit board per "Circuit Board Replacement", Section 4, Maintenance and Service.
Clogged check valve Replace check valve per "Check Valve Replacement", Section 4, Maintenance and Service.
Clogged calibration gas line between
calibration gas flow meter and check valve
Replace calibration gas line.
Clogged calibration gas flow meter Replace calibration gas flow meter.
Solenoid failure Replace solenoid per "Solenoid Replacement", Section 4, Maintenance and Service.
Pressure switch failure Replace pressure switch per "Pressure Switch Replacement", Section 4, Maintenance and
Service.