Endress+Hauser Cerabar S PMP71 with MID Part Certificate - Page 45

Cerabar S PMP71 with 4 to 20 mA HART Troubleshooting
Endress+Hauser 45
8.1.1 Onsite display error messages
If the device detects a defect in the onsite display during initialization, the following error messages
can be displayed:
742 (A742) Alarm
B
B>Sensor connection error
(upload)
– Electromagnetic effects are greater
than specifications in the technical
data. (→ ä 51) This message
normally only appears briefly.
– Wait a few minutes.
– Perform reset (Code 7864) and carry
out calibration again.
18
– Cable connection sensor –main
electronics disconnected.
– Check cable connection and repair if
necessary.
– Sensor defective. – Replace sensor.
743 (E743) Alarm
B
B>Electronic PCB error during
initialization
– Electromagnetic effects are greater
than specifications in the technical
data. (→ ä 51) This message
normally only appears briefly.
– Wait a few minutes.
– Restart the device. Perform reset
(Code 62).
14
– Main electronics defective. – Replace main electronics.
744 (A744) Alarm
B
B>Main electronic PCB error – Electromagnetic effects are greater
than specifications in the technical
data. (→ ä 51)
– Restart the device. Perform reset
(Code 62).
– Block off electromagnetic effects or
eliminate source of disturbance.
11
– Main electronics defective. – Replace main electronics.
745 (W745) Warning
C
C>Sensor data unknown – Sensor does not suit the device
(electronic sensor nameplate).
Device continues measuring.
– Replace sensor with a suitable
sensor.
56
746 (W746) Warning
C
C>Sensor connection error -
initializing
– Electromagnetic effects are greater
than specifications in the technical
data. (→ ä 51) This message
normally only appears briefly.
– Wait a few minutes.
– Restart the device.
Perform reset (Code 7864).
– Block off electromagnetic effects or
eliminate source of disturbance.
26
– Overpressure or low pressure
present.
– Reduce or increase pressure.
747 (A747) Alarm
B
B>Sensor software not compatible
to electronics
– Sensor does not suit the device
(electronic sensor nameplate).
– Replace sensor with a suitable
sensor.
16
748 (A748) Alarm
B
B>Memory failure in signal
processor
– Electromagnetic effects are greater
than specifications in the technical
data. (→ ä 51)
– Block off electromagnetic effects or
eliminate source of disturbance.
15
– Main electronics defective. – Replace main electronics.
Code Error type/
NA 64
Message/description Cause Measure Priority
Message Measure
Initialization, VU Electr. Defect A110 Exchange onsite display.
Initialization, VU Electr. Defect A114
Initialization, VU Electr. Defect A281
Initialization, VU Checksum Err. A110
Initialization, VU Checksum Err. A112
Initialization, VU Checksum Err. A171