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Oxygen measuring device MySign
®
O
Doc no.: 065-07-1001825_MySignO_GB-0.pdf / 12.11
41
8
Error descriptions and remedies
Fault indicator
Possible cause
Remedy
User error
Sensor
There is no connection to the
oxygen sensor
Check the connection to the oxygen
sensor and replace if necessary.
Calibration
Calibration is not OK
Calibrate the unit again. Also see
section “Calibration”.
Self-test (critical)
Hardware
Internal hardware fault
Switch the unit off and then on again. If
the fault persists, please contact
customer service.
Sensor
Error
during
signal
processing
Æ
No or incorrect
measurement values
The unit can only be used with the
original sensor OOM111. Check the
sensor and the spiral cable to make
sure they are properly connected or
contact customer service.
Battery
Battery charge too low, no
battery connected or battery
faulty
Check the battery and replace if
necessary.
Self-test (non-critical)
Time
Internal clock (RTC) faulty
Switch the unit off and then on again. If
the fault persists, please contact
customer service.
Memory
Internal memory error
Switch the unit off and then on again. If
the fault persists, please contact
customer service.
Critical errors jeopardize the unit's reliability, which is why it will switch itself off.
In all other cases, it will still be possible to continue to use it, although with
restrictions.