Hach Ultra ORBISPHERE 510, Operator'S Manual

Page: 123 / 144

Orbisphere 510/511/512 Analyzers - Maintenance and Troubleshooting 117 of 138
Operator Manual
ORBISPHERE
12 Maintenance and Troubleshooting
12.1 Instrument Maintenance
Any instrument maintenance should be carried out by a qualified Hach Ultra Service
Technician. Please contact your local representative should you feel any maintenance or
instrument adjustments are required
12.2 Troubleshooting
The possible events, along with the text message displayed on the instrument numeric
view screen, the reason for the event and its criticality are listed in
Table 12-1, “List of
Events,” on page 118 . An event is something which affects the measurement. In the
numeric view, the current events are indicated with the gas concentration at the same
place.
Note:
Use the Diagnostic View for troubleshooting. See “Sensor Diagnostics” on page 111 .
Note:
Pressing , , or
gives an explanation of the
event.
Whenever an abnormal event is encountered, a sign is
displayed on the upper left of the screen. Pressing on the
sign calls a window giving further details of the actual
situation.
There are three levels of abnormal conditions:
•
Alarm
- There is a severe problem causing the
channel to be out of action, and the system alarm
relay to be enabled
•
Warning
- Events less critical than a system alarm
(e.g. measurement alarm)
•
Information -
For information only; no action is
required