19
8. Error messages
Display Caused by Action
- Measurement of D.O. or temperature out of range.
- In calibration:
- Standard 0%: limits <0 nA and >2nA
- Standard 100%: limits <30 nA and >110 nA
Check standards.
Check sensor.
Low battery charge. Replace the batteries.
E1
Unstable reading during a stability measurement or
during calibration.
180-second timeout.
Check sensor.
Check polarisation.
Check flow.
E2
Exceeded upper limit of sensor current during
measurement ≥250 nA
Check sensor.
ENGLISH
sensION+ DO 6_HACH_0710.indd ANG:19sensION+ DO 6_HACH_0710.indd ANG:19 14/9/10 10:51:2414/9/10 10:51:24
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