Bronkhorst®
Instruction Manual ES-FLOW™ 1xxC
9.17.153A
39
Symptom
Possible cause
Corrective action
Measured value or output signal
indicates flow, while there should
be none
Fluid system leakage
·
Check fluid system for leakage
·
Follow mounting instructions when
installing third party components (e.g.
adapters, tubing, valves)
Mounting orientation and/or
process conditions changed
significantly
·
Install instrument according to
·
Use instrument in conditions it was designed
for
·
Zero point adjustment performed
incorrectly
Readjust zero point, following instructions in
Continuous maximum measured
value or output signal
Inlet pressure too high
Check inlet pressure
Valve fully open
·
Close valve
·
In case of normally open valve: check if valve
is in safe state; resolve cause if necessary (see
Sensor failure
Contact your Bronkhorst representative
Fluid system leakage
Bad connection between parts (e.g.
ferrules, nuts, tubing, piping,
valves)
Follow mounting instructions issued by third
party components (e.g. adapters, tubing, valves)
8.2
Service
If you have questions about a product or if you find the product does not meet the specifications
as ordered, do not hesitate to contact your Bronkhorst representative. To enable us to help you
quickly and effectively, make sure to have the serial number ready whenever seeking contact
with your Bronkhorst representative about a specific item. The serial number (SN; first line on the
serial number label) is the key to the original purchase order and can be found on the product.
For current information about Bronkhorst® and service addresses, please visit our website:
Do you have any questions about our products? Our Sales Department will gladly assist you selecting the right product for
your application. Contact sales by e-mail:
For after-sales questions, our Customer Service Department is available with help and guidance. To contact CSD by e-mail:
No matter the time zone, our experts within the Support Group are available to answer your request immediately or ensure
appropriate further action. Our experts can be reached at:
+31 859 02 18 66
Bronkhorst High-Tech B.V.
Nijverheidsstraat 1A
NL-7261 AK Ruurlo
The Netherlands
