Troubleshooting And Diagnostics - ABB Endura APA592 Operating Instruction

Endura APA592
pH / Redox (ORP) transmitter

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
screen to view the messages – see Fig. 8.1 for an example of a message.
NAMUR
Diagnostic Icon –
see Table 8.1
8.2 72
*See Table , page
Fig. 8.1 Example of Diagnostic Alert
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).
Icon and Name
Failure
Maintenance Required
Check Function
Out of Specification
Table 8.1 NAMUR Diagnostic Icons
OI/APA592–EN Rev. E
NAMUR Classification
of Current Alarm*
Electronics
– – S072.041 – –
Snsr temperature
over range
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for details of all diagnostics
Description
Transmitter functionality lost due to malfunction in the Instrument
itself, its peripherals or due to operating conditions.
Transmitter functionality fully available but maintenance required soon
to avoid functional restrictions.
Transmitter functionality might be temporarily restricted due to
on-going work. Example – simulation or a function check.
Transmitter functionality available but decreased due to operating
conditions outside the specified limits or due to internal problems.
8 Troubleshooting and Diagnostics
key to access the Operator Menu and select the Diagnostics
NAMUR Alarm
Classification*
Diagnostic
Message*
Exit
71