VEGA VEGADIF 55 Service instructions User Manual
Page 13

Code
Message
type/NA
64
Message/De-
scription
Cause
Measure
Priority
719 (A719)
Alarm B
B> Y-value of the
linearization
chart outside the
editing limits
l
At least one Y-value of
the linearization chart
is below the MIN.
TANK CONTENT or
above the MAX. TANK
CONTENT
l
Carry out a fresh ad-
justment (see operat-
ing instructions man-
ual VEGADIF 55)
l
Check the parameter
adjustment and carry
out a fresh download
40
720 (A720)
Error C
factory set-
ting warn-
ing
C> Sensor sub-
normal tempera-
ture
l
The temperature
measured in the sen-
sor is lower than the
lower nominal temper-
ature of the sensor
(see operating in-
structions manual VE-
GADIF 55, parameter
description Tmin.
SENSOR)
l
Unsuitable download
carried out
l
Loose contact on the
sensor cable
l
Increase process/am-
bient temperature
l
Check the parameter
adjustment and carry
out a fresh download
l
Wait a short moment
and ensure a stable
connection or avoid
loose connection.
40
721 (A721)
Alarm B
B> ZERO POINT
level outside the
editing limits
l
LEVEL MIN. or LEVEL
MAX. was changed
l
Carry out reset (Code
2710) and make a
fresh adjustment
41
722 (A722)
Alarm B
B> ADJUST-
MENT EMPTY
or ADJUST-
MENT FULL
outside the edit-
ing limits
l
LEVEL MIN. or LEVEL
MAX. was changed
l
Carry out reset (Code
2710) and make a
fresh adjustment
42
723 (A723)
Alarm B
B> MAX. FLOW
outside its edit-
ing limits
l
FLOW TYPE was
changed
l
Carry out a fresh ad-
justment
43
725 (A725)
Alarm B
B> Sensor con-
nection error,
cycle interfered
l
Electromagnetic influ-
ences are higher than
the specifications in
chapter "Technical
data" (see product in-
formation manual VE-
GADIF 55)
l
Sensor or main elec-
tronics defective
l
Block electromagnetic
effects or remove the
source of interference
l
Exchange sensor or
main electronics
25
Service instructions VEGADIF 55
13
Maintenance and fault rectification
31732
-
EN
-080430