Sentec SDM - Page 57

4 Troubleshooting
SenTec Digital Monitoring System
51
Problem
Possible Cause(s)
Recommended corrective action(s)
Wrong / expired
calibration gas was
used during last
calibration
Refer to identical ‘Possible Cause’ in P0101
for recommended corrective action(s)
Wrong / unstable
barometric pressure
during last
calibration
Refer to P0408
Undetected gas
leak in Docking
Station.
Refer to P0502
PCO2 and or PO2
sensitivity of the
sensor low/
deteriorated
Refer to P0305
PO2 Measurement
is influenced by
high ambient light
levels
Shield SenTec TC Sensor from strong
ambient light.
Note: Refer to Status Message ‘High ambient
light’ (with Status Code ‘SA’) (see Technical
Manual for the SDM ).
Clean/Inspect the sensor as described in
section 3.1.7 “Cleaning / Inspecting without
Membrane” and perform the ‘Sensitivity Test’
as described in section 3.1.8 “PCO2 / PO2
Sensitivity & Calibration Duration ”.
If problem persists contact SenTec authorized
service personnel.
Docking Station
door mechanically
defective
Replace Docking Station door according to
section 5.5 “Replacement, Docking Station
Door” .
Gasket defective
Replace gasket according to section 5.6
“Replacement, Docking Station Gasket” .
SDM defective
Contact SenTec authorized service personnel
or our local SenTec sales representative.
Calibration Module
defective
Replace Calibration Module according to the
Repair Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.
Docking Station
Module defective
Replace Calibration Module according to the
Repair Manual for the SDMS .
To be performed by SenTec authorized
service technicians only.