5 troubleshooting, Troubleshooting, 5troubleshooting – Bronkhorst E-8000 User Manual
Page 43
Bronkhorst High-Tech B.V.
E-8000
43
9.17.076
5
Troubleshooting
Symptom
Action
Display is not lit after 'power on'
check power supply.
check fuse.
No reading/control
check instrument cabling.
check if instrument is powered-up.
for FLOW-BUS systems check node number.
for FLOW-BUS systems check cables / termination.
Wrong reading format
check module settings (“settings/readout”menu).
Instrument seems to give inaccurate
values
check if correct fluid set (with calibration factors) has been selected (see
“settings/readout/fluidset”).
Is the correct instrument selected by the FLOW-BUS.
Setpoint is neglected
For meters setpoint facilities are disabled.
setpoint source in menu “settings/controller/mode” menu should be "bus/rs232".
(other settings means different behavior).
setpoint could have been overruled by an alarm situation or counter limit (first
perform reset).
setpoint slope has a large value. (setpoint will slowly change in time) Change
slope value if necessary.
setpoint could be changed by other devices connected to the FLOW-BUS.
Setpoint could be controlled by a master/slave instrument configuration.
check communication with FLOW-BUS (if applicable).
Fail Safe State. For PROFIBUS/DeviceNet/EtherCAT instruments without bus
communication set the setpoint control mode on RS232.
Counter/alarm is not responding to
reset
check if reset-source has been enabled in the “security” menu.
Display shows “no connection”
check if the operating instrument is active.
check if the operating instrument is still at the same node address.
check instrument and module cabling.
check the node address at “instrument” in the main menu.
Parameter not available
Parameter is not supported by the connected instrument.
Parameter or menu not accessible
Security mode ‘blocked’ the menu or parameter.
Settings menu not accessible or not
present
Security mode ‘blocked’ the menu or parameter.
Still in edit or alarm mode in main menu.
Other problems
check instrument and operating module parameters.
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:.
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:
Contact Bronkhorst High-Tech local sales representative or send e-mail describing your problem to:
[email protected]