VEGA VEGADIF 55 Service instructions - Manual (Page 6)

Adjustments1) Measures
l ALARM DISPL . TIME = 0 s
l
ACK. ALARM MODE = on
l Remove cause of the message. See also supplementary instructions
manual "Service instructions VEGADIF 55"
l
Confirm message via the parameter ACK. ALARM
l
ALARM DISPL. TIME > 0 s
l
ACK. ALARM MODE = on
l
Remove cause of the message. See also supplementary instructions
manual "Service instructions VEGADIF 55"
l
Confirm message via the parameter ACK. ALARM
l
Wait for alarm display time. If the alarm display time has already passed
when the message appeared and was confirmed, the messages
extinguishes immediately after the confirmation.
If the local indication shows a message, you can remove it with
the "E" key.
If there are several messages, the local indication shows the
message with the highest priority. See also supplementary
instructions manual "Service instructions VEGADIF 55". After
removing this message with the F key, the message with the
next higher priority will appear. You can remove each message
individually with the "E" key.
The parameter ALARM STATUS still shows all existing
messages.
The instrument distinguishes between the message types
"A
larm", "Warning" and "Error". For the message types "Error"
you can enter if the instrument should react in case of "Alarm"
or "Warning" (see column "Message type/NA 64" and
operating instructions manual VEGADIF 55, chapter "Reaction
of the outputs in case of failure").
The column "Message type/NA 64" classifies the messages
also according to the NAMUR recommendation NA 64:
l
Failure: marked with "B" (break down)
l
Requirement for maintenance: marked with "C" (check
request)
l
Function control: marked with "I" (in service)
Indication of the messages on the local display:
l
The measured value display shows the message with the
highest priority (see column "Priority")
l
The parameter DIAGNOSE CODE shows all existing
messages with downward priority. With the "-" or "+" key
you can scroll through the existing messages, if necessary.
Indication of the messages via the HART handheld:
l
The parameter DIAGNOSE CODE shows the message
with the highest priority (see column "Priority")
Error messages
6 Service instructions VEGADIF 55
Maintenance and fault rectification
31732
-EN
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