Endress+Hauser cerabar S - Page 157

Cerabar S/Deltabar S Trouble-shooting
Endress+Hauser 157
742 (A742) Alarm
B
B>Sensor connection
error (upload)
20 5 – Electromagnetic effects are
greater than specifications in the
technical data. → See Technical
Information TI382P (Deltabar S)
or TI383P (Cerabar S). This
message normally only appears
briefly.
– Wait a few minutes.
– Perform reset (Code 7864) and
carry out calibration again.
19
– Cable connection sensor –main
electronics disconnected.
– Check cable connection and
repair if necessary.
– Sensor defect. – Replace sensor.
743 (E743) Alarm
B
B>Electronic PCB error
during initialisation
20 5 – This message normally only
appears briefly.
– Wait a few minutes.
– Restart the device. Perform reset
(Code 62).
15
– Main electronics defect. – Replace main electronics.
744 (A744) Alarm
B
B>Main electronic PCB
error
20 5 – Electromagnetic effects are
greater than specifications in the
technical data.
→ See Technical Information
TI382P (Deltabar S) or TI383P
(Cerabar S).
– Restart the device. Perform reset
(Code 62).
– Block off electromagnetic effects
or eliminate source of
disturbance.
12
– Main electronics defect. – Replace main electronics.
745 (W745) Warning
C
C>Sensor data unknown 17 0 – Sensor does not suit the device
(electronic sensor nameplate).
Device continues measuring.
– Replace sensor with a suitable
sensor.
55
746 (W746) Warning
C
C>Sensor connection
error - initialising
20 5 – Electromagnetic effects are
greater than specifications in the
technical data. → See Technical
Information TI382P (Deltabar S)
or TI383P (Cerabar S). This
message normally only appears
briefly.
– Wait a few minutes.
– Restart the device. Perform reset
(Code 62).
– Block off electromagnetic effects
or eliminate source of
disturbance.
27
– Overpressure or low pressure
present.
– Reduce or increase pressure.
747 (A747) Alarm
B
B>Sensor software not
compatible to electronics
17 0 – Sensor does not suit the device
(electronic sensor nameplate).
– Replace sensor with a suitable
sensor.
17
748 (A748) Alarm
B
B>Memory failure in
signal processor
20 5 – Electromagnetic effects are
greater than specifications in the
technical data.
→ See Technical Information
TI382P (Deltabar S) or TI383P
(Cerabar S).
– Block off electromagnetic effects
or eliminate source of
disturbance.
16
– Main electronics defect. – Replace main electronics.
750 (A750) Alarm
B
B>Configuration not
permitted
19 8 – By means of the operation
profile, options were selected for
the configuration of the device
but the options do not suit one
another. For example, if the
option "1" (linearisation table)
was selected for LIN_TYPE and
the unit "1347
(m
3
/s)" was selected for
PRIMARY_VALUE_UNIT.
– Check configuration.
– Perform reset (code 7864) and
recalibrate the device.
45
Code Error
type/
NA 64
Message/description XD_
ERROR
Value
BLOCK_
ERROR
Value
Cause Measure Prio-
rity