Hach-Lange EVITA OXY User Manual - Manual (Page 43)

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Information
The system will continue to measure as usual. Relay
and output signals will not be affected.
Warning
The system will continue to measure, but there has
been an event, which may cause malfunction of the
system, and which may require an operator. The
reason for the warning may disappear on its own.
Warning relay, if defi ned, will show warning in
accordance with the setup.
Error
The whole system or parts of it is malfunctioning,
and the output signal is not reliable anymore. The
errors require an operator.
Error relays, if defi ned, will show error in accordance
with the setup.
The EVITA ® OXY transmitter error pending list
shows the 5 latest occured errors that are still
pending, and the event log shows the 25 latest
events, i.e. informations, warnings and errors.
The USC signal converter error pending list can
show up to 14 pending errors and warnings,
displayed with the USC errors fi rst and then the
transmitter errors. If there are more than 14 pending
errors, the message “Additional errors cannot be
viewed” will show in the display. The USC event log
shows the 9 latest events.
1. digit: Category
I(Information);
W(Warning);
E(Error)
2. digit: Sensor type
U for USC
O for OXY
I for INSITU 4100
N for INSITU 5100
P for PH/REDOX
S for TSS
3. and 4. digit:
Error number 00-99
The numbers are
describing the
following events:
0-9 Information
10-49 Warning
50-99 Error
Each event has an unambiguous identifi cation
consisting of 4 digits:
EO55: The OXY 1100 diaphragm has
been damaged.
E O 5 5