Troubleshooting Cerabar S/Deltabar S/Deltapilot S FOUNDATION Fieldbus
216 Endress+Hauser
740 (E740) Error
C
C>Calculation overflow,
bad configuration
20 5 – Level measuring mode: the
measured pressure has
undershot the value for Scale
In/SCALE_IN, EU at 0%/EU_0,
HYDR. PRESS. MIN. or
overshot the value for Scale In/
SCALE_IN, EU at 100%/
EU_100, HYDR. PRESS MAX.
– Check configuration and carry
out calibration again if
necessary.
– Select a device with a suitable
measuring range.
28
– Flow measuring mode: the
measured pressure has
undershot the value for Scale
In/SCALE_IN, EU at 100%/
EU_100, Max Press. Flow/
MAX_PRESS_FLOW
– Check configuration and carry
out calibration again if
necessary.
– Select a device with a suitable
measuring range.
741 (A741) Alarm
B
B>Tank Height
(TANK_HEIGHT) out of
edit limits
18 7 – Level Min/LEVEL_MIN or
Level Max/LEVEL_MAX has
been changed.
– Perform reset (code 2710) and
recalibrate the device.
44
742 (A742) Alarm
B
B>Sensor connection
error (upload)
20 5 – Electromagnetic effects are
greater than specifications in the
technical data.
→ See Technical Information
TI00382P (Deltabar S),
TI00383P (Cerabar S) or
TI00416P (Deltapilot S). This
message normally only appears
briefly.
– Wait a few minutes.
– Perform reset (code 7864) and
recalibrate the device.
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 initialization
20 5 – Electromagnetic effects are
greater than specifications in the
technical data.
→ See Technical Information
TI00382P (Deltabar S),
TI00383P (Cerabar S) or
TI00416P (Deltapilot S). 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
TI00382P (Deltabar S),
TI00383P (Cerabar S) or
TI00416P (Deltapilot 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
Code Error
type/
NA 64
Message/description XD_
ERROR
Value
BLOCK_
ERROR
Bit
Cause Measure Prio-
rity