Evoqua DEPOLOX, Инструкция по эксплуатации

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6. Operation DEPOLOX® 400 M
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6.7 Messages, alarms and errors
Messages, alarms and errors are displayed on the electronics module with the colored mes-
sage symbol (chapter 3.6.4). Error messages can occur that can be acknowledged or that can not
be acknowledged. If several messages occur at the same time, the number of messages appears
next to the symbol. Press the
message symbol to display the message window. Configured
alarms, messages that can be acknowledged and errors are displayed as clear text. A time-stamp
shows when the message was activated.
6.7.1 Acknowledgeable messages
6.7.2 Non-acknowledgeable messages and errors
NOTICE
They are acknowledged via the message window and the green ACK button .
ACK
Error message Cause Remedy
Maximum dosing
time?
The maximum dosing time set for
a control output has been excee-
ded.
Identify the cause, e.g. chemicals
tank empty.
Check the dosing pump.
NOTICE
Error messages can only be rectified by eliminating the cause.
Error message Cause Remedy
Measured value dis-
play flashes Measured value is outside the
measurement range.
Check measurement range and
change, if necessary. Check dosing
or controller settings.
DI 1 flashes
Sample water flow rate recently
insufficient (delay time running).
Check the sample water flow rate
(approx. 33 l/h).
Clean or replace strainer.
Multi-sensor incorrectly connec-
ted or defective.
DI 1
Sample water flow rate insuffi-
cient for some time (delay time
elapsed).
DI 2
DI 3
DI 4
DI 5 Digital input 2 active
Digital input 3 active
Digital input 4 active
Digital input 5 active
Check cause depending on use of
the digital input, chemicals tank
empty, change tank.
Zero point calibrat-
ion ?
Disinfection sensor (DES sensor):
Zero current of sensor > +5 µA or <
-5 µA
Upot potential voltage set incor-
rectly; change if necessary.
Electrodes of disinfection sensor
are dirty, if necessary clean / ser-
vice.
Sample water is not turned off or
check valve leaks; turn off sample
water if necessary.
Modul
Communication ?
ORP (Redox) ensor card defective
Check sensor card. Check that the
card is installed correctly.