BRONKHORST BRIGHT Guide D'utilisation Simplifié page 8

English
Troubleshooting
No output signal
Maximum output signal
High setpoint vs. output offset
Signal lower than expected
Flow is gradually decreasing
Oscillation
Small flow occurs when actuator is
supposed to be closed
Parameter not available
Setpoint is neglected
Settings menu not accessible
Before switching on power, check if all connections have been made according to the hook-up diagram. The hook-
!
up diagrams are available at the download section of our website: http://www.bronkhorst.com
LED indications can be very useful in case of problems with the instrument. See the "MANUAL INTERFACE: micro-
switch and LED's" section in the manual "Operation instructions digital instruments (document nr. 9.17.023)".
This manual is available at the download section of our website: http://www.bronkhorst.com
Contact Bronkhorst® local sales representative or send e-mail describing your problem to:
support@bronkhorst.com
Doc nr.: 9.17.049
 No power supply
 PCB failure
 Actuator blocked
 Filter or screen blocked
 Sensor failure
 PCB failure
 Sensor failure
 PCB failure
 Actuator blocked
 Stoppage
 Pressure not correct
 System stoppage
 (Gas) Condensation
 Actuator adjustment has
changed
 Controller adjustment wrong
 Input pressure wrong
 Actuator damaged
 Volume / tubing between
controller and pressure
controller too small/ short
 Wrong controller settings
 Actuator is leaking
 Parameter is not supported by
the connected instrument.
 Instrument has wrong controller
mode
 Alarm- or counterlimit reached
 Security mode 'blocked' or
'menu'
Check power supply
Check cable
Return to factory
Clean actuator (qualified personnel only)
Clean filter or screen
Return instrument to factory
Return instrument to factory
Return instrument to factory
Return instrument to factory
Clean actuator (qualified personnel only)
Remove cause
Check pressure
Remove cause
Decrease supply pressure or increase
temperature
Check actuator adjustment
Check controller setting
Adjust pressure
Check actuator
Improve situation
Check controller settings
Check actuator
Set controller mode to 'digital input'
Reset alarm
Change security mode
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