Error Messages
page 157
NF 650 - rev. 01 / 29.06.2020
#
Error message
Cause of failure
Troubleshooting
8
Air-ultraso-
nic sensor
Logic
Sensor command
invalid
(1) Make sure the air-ultrasonic sensor is intended for
connection to the transmitter.
(2) Make sure the air-ultrasonic sensor is correctly
connected.
(3) Check air-ultrasonic sensor and cable for visible
damage.
(4) Check whether the parameters of the air-ultraso-
nic sensor are correctly set.
(5) Restart the transmitter via >System< / >Service<.
(6) Contact NIVUS Hotline (serial number and exact
error message required).
9
Air-ultraso-
nic sensor
Faulty res-
ponse
Sensor transmits
error message
(reset or similar)
(1) Make sure the air-ultrasonic sensor is intended for
connection to the transmitter.
(2) Make sure the air-ultrasonic sensor is correctly
connected.
(3) Check air-ultrasonic sensor and cable for visible
damage.
(4) Check whether the parameters of the air-ultraso-
nic sensor are correctly set.
(5) Restart the transmitter via >System< / >Service<.
(6) Contact NIVUS Hotline (serial number and exact
error message required).
10
Air-ultraso-
nic sensor
No commu-
nication
Sensor does not
respond
(1) Make sure the air-ultrasonic sensor is intended for
connection to the transmitter.
(2) Make sure the air-ultrasonic sensor is correctly
connected.
(3) Check air-ultrasonic sensor and cable for visible
damage.
(4) Check whether the parameters of the air-ultraso-
nic sensor are correctly set.
(5) Restart the transmitter via >System< / >Service<.
(6) Contact NIVUS Hotline (serial number and exact
error message required).
11
2-wire
level
Value too
high
Analog input too
high
Make sure that the settings for the external 2-wire
level sensor match the actual external setpoint spec-
trum.
Maximum value: 20.5 mA
12
2-wire
level
Value too
low
Analog input too
low
Make sure that the settings for the external 2-wire
level sensor match the actual external setpoint spec-
trum.
Minimum value: 3.75 mA with 4-20 mA
13
Level fall-
back
All
Fallback level
measurement
invalid (overlap
mode)
(1) Make sure the level sensors are correctly connec-
ted.
(2) Check level sensors and cables for visible dama-
ge.
(3) Check whether the parameters are correctly set
for all connected level sensors.
(4) Contact NIVUS Hotline (serial number and exact
error message required).
Содержание NivuFlow 650
Страница 39: ...Installation and Connection page 39 NF 650 rev 01 29 06 2020 Fig 21 4 Terminal connections NivuFlow 650 Type T4...
Страница 41: ...Installation and Connection page 41 NF 650 rev 01 29 06 2020 Fig 21 6 Terminal connections NivuFlow 650 Type TZ...
Страница 173: ...Approvals and Certificates Page 173 NF 650 rev 01 29 06 2020 Approvals and Certificates...