11 Faults and problems
│
59
Device inspection
Problem
Explanation/corrective action
Device inspection: De-
vice condition subtest
failed
Contact SEWERIN Service.
Device inspection: Indi-
cation accuracy/bump
subtest failed
Gas assignment incorrect.
– Check gas assignment.
Shelf life (stability) of the test gas
exceeded.
– Check the expiry date of the test
gas.
Sensor is misaligned
– Perform an adjustment.
Device inspection:
Pump subtest failed
Device does not fit properly in the
device holder. Locking mechanism
not fully down.
– Check that the device is posi-
tioned correctly and locked in the
device holder.
– Check the rubber gasket for wear
and replace if necessary.
Sensor is misaligned
– Perform an adjustment.
Device inspection: Zero
point subtest failed
Ambient air not clean.
– Ventilate the room
–
If necessary, change the setup
location of the test set.
–
If necessary, use ambient air
hose.
Sensor is misaligned
– Perform an adjustment.
Adjustment
Problem
Explanation/corrective action
Adjustment failed
Gas assignment incorrect.
– Check gas assignment.
Sensor error.
– Repeat adjustment.
If the adjustment fails again:
– Contact SEWERIN Service.