Burkert Type 8623 - Manual (Page 43)

8623-2-Standard - 41
english
7 ERROR MESSAGES
Display Cause Correction
ERR0
Frequency 1 < 2 Hz or
sensor failure on
frequency input 1
Check flow rate sensor if applicable or
its connection to controller
ERR1
Frequency 2 < 2 Hz or
sensor failure on
frequency input 2
Check flow rate sensor if applicable or
its connection to controller
ERR2 Frequency 1 > 1000 Hz Use a sensor matching the flow rate
ERR3 Frequency 2 > 1000 Hz Use a sensor matching the flow rate
ERR4 Flow rate > 655 Use another unit ( UNIT )
ERR5
Standard signal lies
outside range (4 - 20 mA,
0 - 10V) Check standard signal
ERR6
Control not possible
since setpoint too great Int. / ext setpoint mode:
Lower the setpoint or use another
sensor
Ratio Control mode:
Lower the ratio factor or use another
sensor
ERR7
Controller output to
proportional valve is >
95% Increase the pressure in order to
reach the required setpoint with the
proportional valve selected
ERR8 Internal error Send the device to the manufacturer
ERR9
Only in mode External
setpoint
EXLO EXHI
Set the value correctly (see 6.6.4)
Actual value too great
(can no longer be
compensated) or in
manual mode, the valve
cannot be closed
Set the lower limit for valve drive
correctly (see 6.6.9. VALV)