Endress+Hauser Cerabar S PMP71 with MID Part Certificate - Page 43

Cerabar S PMP71 with 4 to 20 mA HART Troubleshooting
Endress+Hauser 43
720 (E720) Error
C
Factory
setting:
Warning
C>Sensor under temperature – The temperature measured in the
sensor is smaller than the lower
nominal temperature of the sensor.
(See also Operating Instructions
BA00413P, parameter description
Tmin SENSOR or these Operating
Instructions)
– Increase process temperature/
ambient temperature.
33
– Unsuitable download carried out. – Check configuration and perform
download again.
– Loose connection at sensor cable – Wait a short period of time and
tighten the connection, or avoid
loose connection.
721 (A721) Alarm
B
B>ZERO POSITION level out of
edit limits
– LEVEL MIN or LEVEL MAX has
been changed.
– Perform reset (Code 2710) and carry
out calibration again.
41
722 (A722) Alarm
B
B>EMPTY CALIB. or FULL
CALIB. out of edit limits
– LEVEL MIN or LEVEL MAX has
been changed.
– Perform reset (Code 2710) and carry
out calibration again.
42
723 (A723) Alarm
B
B>MAX. FLOW out of edit limits – FLOW-MEAS. TYPE has been
changed.
– Carry out calibration again. 43
725 (A725) Alarm
B
B>Sensor connection error, cycle
disturbance
– Electromagnetic effects are greater
than specifications in the technical
data. (→ See Kap. 9.)
– Setscrew loose.
– Block off electromagnetic effects or
eliminate source of disturbance.
– Tighten setscrew with a torque of 1
Nm (0.74 lbf ft) (see Kap. 3.3.4).
25
– Sensor or main electronics defective. – Replace sensor or main electronics.
726 (E726) Error
C
Factory
setting:
Warning
C>Sensor temperature error -
overrange
– Electromagnetic effects are greater
than specifications in the technical
data. (→ ä 51)
– Block off electromagnetic effects or
eliminate source of disturbance.
31
– Process temperature is outside
permitted range.
– Check temperature present, reduce
or increase if necessary.
– Sensor defective. – If the process temperature is within
the permitted range, replace sensor.
727 (E727) Error
C
Factory
setting:
Warning
C>Sensor pressure error -
overrange
– Electromagnetic effects are greater
than specifications in the technical
data. (→ ä 51)
– Block off electromagnetic effects or
eliminate source of disturbance.
28
– Pressure is outside permitted range. – Check pressure present, reduce or
increase if necessary.
– Sensor defective. – If the pressure is within the
permitted range, replace sensor.
728 (A728) Alarm
B
B>RAM error – Fault in the main electronics. – Briefly disconnect device from the
power supply.
2
– Main electronics defective. – Replace main electronics.
729 (A729) Alarm
B
B>RAM error – Fault in the main electronics. – Briefly disconnect device from the
power supply.
3
– Main electronics defective. – Replace main electronics.
Code Error type/
NA 64
Message/description Cause Measure Priority