Evoqua Wallace & Tiernan SFC-SC, Manual, Page: 75 / 83

WT.050.590.002.UA.IM.0614 60
SFC ANALYZER / CONTROLLER
EVOQUA W3T109634
Table 4.1 - Error Message
Error message Cause Remedy
Feed rate display
flashes Measured value is out-
side the measuring range Check measuring range and
change, if necessary.
Positioner
feedback flashes Positioner in manual
mode Press the adjusting knob on
the positioner
DI I flashes Signal on DI I (delay time
running) Check connection and set-
ting
DI I Permanent
display Sample water flow
has been insufficient
for some time (delay
elapsed), signal on DI I Clean or replace the
preliminary filter
DI II Signal on DI II Check connection and set-
ting
mA output? Load error:
The mA output cannot
drive its mA output current
through the connected
current loop (500 Ohm at
20 mA max.). If not required, switch off the
output signal in the “INPUTS/
OUTPUTS” menu (analog
output).
Check mA signal cable for
interruption if output in use.
Positioner Ym? Ym range too narrow:
Position of positioning mo-
tor is calibrated wrong
Check the distance
between the calibration
points
Positioner selected, but
not connected Check setting: Positioner
with Ym
Feedback signal incorrect Check DIP switch for
feedback
Positioner feedback incor-
rectly connected or defec-
tive Check (refer to section 2)
mA-Input 1 ? mA-Input signal has been
exceeded or fallen short of Check mA connection or
signal
Ym display blink-
ing Positioner disconnected Switch positioner to auto-
matic