Endress+Hauser cerabar S - Page 155

Cerabar S/Deltabar S Trouble-shooting
Endress+Hauser 155
722 (A722) Alarm
B
B>EMPTY CALIB.
(SCALE_OUT, EU_0) or
FULL CALIB.
(SCALE_OUT, EU_100)
out of edit limits
18 8 – LINEAR_ LEVEL_MIN/LEVEL
MIN or LINEAR_LEVEL_MAX/
LEVEL MAX has been changed.
– Perform reset (Code 2710) and
carry out calibration again.
42
723 (A723) Alarm
B
B>MAX. FLOW
(SCALE_OUT, EU_100)
out of edit limits
18 8 – FLOW_TYOPE/FLOW-MEAS.
TYPE has been changed.
– Carry out calibration again. 43
725 (A725) Alarm
B
B>Sensor connection
error, cycle disturbance
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.
26
– Sensor or main electronics
defect.
– Replace sensor or main
electronics.
726 (E726) Error
C
C>Sensor temperature
error - overrange
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.
32
– Process temperature is outside
permitted range.
– Check temperature present,
reduce or increase if necessary.
– Sensor defect. – If the process temperature is
within the permitted range,
replace sensor.
727 (E727) Error
C
C>Sensor pressure error
- overrange
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.
29
– Pressure is outside permitted
range.
– Check pressure present, reduce
or increase if necessary.
– Sensor defect. – If the pressure is within the
permitted range, replace sensor.
728 (A728) Alarm
B
B>RAM error 20 9 – Fault in the main electronics. – Briefly disconnect device from
the power supply.
2
– Main electronics defect. – Replace main electronics.
729 (A729) Alarm
B
B>RAM error 20 9 – Fault in the main electronics. – Briefly disconnect device from
the power supply.
3
– Main electronics defect. – Replace main electronics.
730 (E730) Error
C
C>LRV user limits
exceeded
19 8 – Pressure measured value has
undershot the value specified for
the PRESSURE_1_USER_
LOW_LIMIT/Pmin ALARM
WINDOW parameter.
– Check system/pressure
measured value.
– Change value for
PRESSURE_1_USER_ LOW_
LIMIT/Pmin ALARM
WINDOW if necessary. (→ See
also Page 63 and Page 150.)
47
Code Error
type/
NA 64
Message/description XD_
ERROR
Value
BLOCK_
ERROR
Value
Cause Measure Prio-
rity