Endura APA592
pH / Redox (ORP) transmitter
8 Troubleshooting and Diagnostics
OI/APA592–EN Rev. E
71
8 Troubleshooting and Diagnostics
During operation, the APA592–PH transmitter performs continuous diagnostic checks on hardware,
software and sensor functions. If a non-conformance condition is detected an alert is displayed in the lower
portion of the
Operator
screen. Press the
key to access the
Operator Menu
and select the
Diagnostics
screen to view the messages – see Fig. 8.1 for an example of a message.
NAMUR (NE107)-based icons are used to indicate diagnostic conditions. The severity of the condition is
related to the icon type displayed with the message – see Table 8.1 (see Section 8.1, page 72 for a list of
messages and corrective actions).
*See Table
, page
for details of all diagnostics
Fig. 8.1 Example of Diagnostic Alert
Icon and Name
Description
Failure
Transmitter functionality lost due to malfunction in the Instrument
itself, its peripherals or due to operating conditions.
Maintenance Required
Transmitter functionality fully available but maintenance required soon
to avoid functional restrictions.
Check Function
Transmitter functionality might be temporarily restricted due to
on-going work. Example – simulation or a function check.
Out of Specification
Transmitter functionality available but decreased due to operating
conditions outside the specified limits or due to internal problems.
Table 8.1 NAMUR Diagnostic Icons
Back
Exit
NAMUR
Diagnostic Icon –
see Table 8.1
NAMUR Classification
of Current Alarm*
Electronics
– – S072.041 – –
Snsr temperature
over range
NAMUR Alarm
Classification*
Diagnostic
Message*
