DEPOLOX
®
Pool Errors
WT.050.570.000.DE.IM.0714 75
1.4
1.4 Errors
Error messages The following table shows and explains all possible error messages
which can be displayed. If several errors occur at the same time, the
corresponding messages appear alternately in succession. When the
error has been remedied, the error message is automatically deleted.
If you are unable to remedy the error yourself, please contact your con-
tractual partner.
Error message Cause Remedy
Measured value dis-
play flashes
Measured value outside the measu-
ring range
Select different range
Check calibration
Positioner feedback
signal flashes
Positioner is in manual mode Press the hand knob of the position-
er
NO SIGNAL
Cable between display and main-
boardnot correctly plugged or defec-
tive or mainboard defective
Check the cable, replace if necessa-
ry. Replace the mainboard
(Evoqua service personnel)
DI I flashes Sample water flow recently insuffi-
cient (delay running)
Check the sample water flow
(approx. 33 l/h)
DI I Permanent dis-
play
Sample water flow insufficient for so-
me time (delay elapsed)
Clean or replace the filter
Multi-sensor incorrectly connected
or defective
DI II and DI III Signal on signal input DI II or DI III Check connection and setting
Zero Cl2 ? Bad connection on sensor cable Check cable
Max. zero point compensation ex-
ceeded, Cl
2
sensor defective
Check zero point sensor current
(-5 ... +5 µA)
If necessary replace Cl
2
sensor
DPD Cl2? Slope error
The value of the minimum current
difference required for slope align-
ment for the full measuring range
has dropped below the minimum va-
lue.
Range: Minimum current difference
70 µA 0.2 µA/mg/l
100 µA 0.4 µA/mg/l
200 µA 2.0 µA/mg/l
1000 µA 4.0 µA/mg/l
Check the Cl
2
sensor
Clean the electrodes
Check the pH value of the water
(< pH 8)
Organic chlorine compound (e. g.
chlorine stabiliser chlorisocyanura-
te) in the water
Do not add any chlorine stabilisers to
the water
Upot for Cl
2
sensor incorrect Adjust the Upot: 250 mV
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