Instruction Manual
SPS 4001B
Table 5-1. SPS 4001B Fault Finding
No calibration gas flow
Probable Cause | Recommended Corrective Action |
Improper wire connections, loose | Properly connect wiring or secure loose wiring connections; replace damaged wiring if |
connections, or damaged wiring | necessary. |
|
|
Oxymitter 4000 logic I/O not set for calibration | Set logic I/O to mode 8 or 9 via HART/AMS. |
handshaking with SPS 4001B |
|
Clogged calibration gas line between tank and | Replace clogged calibration gas line. |
manifold |
|
Flow meter knob not turned counterclockwise | Turn calibration gas flow meter knob |
to allow flow |
|
Clogged calibration gas line between manifold | Replace clogged calibration gas line. |
and calibration gas flow meter |
|
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 | Replace calibration gas line. |
calibration gas flow meter and check valve |
|
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. |
|
|
