Harmopool Hydrolyse EC20 - Page 28

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Calibration failed
Calibration fluid outdated or
dirty
Replace calibration fluid
Probe not yet balanced
Repeat calibration
Probe broken
Replace probe
Probe left dry for a long time
Leave probe in pool water for
24 hours, and recalibrate
Device goes into alarm : pH too
high.
pH > 8.5
Verify pH with color method.
Manually correct pH or disable
the alarm function once and let
the dosing device reduce pH.
Acid container is empty
Replace acid container
Electrode broken
Replace electrode
Device goes into alarm : pH too
low
pH<5.5
Verify pH with color method.
Manually correct pH or disable
the alarm function once and let
the dosing device reduce pH.
Use pH+ once and set setting
device to pH+.
Electrode broken
Replace electrode
pH always 7, also in calibration
liquids pH 4 and pH 9.
pH probe broken
Replace pH probe and re-
calibrate
Device comes in alarm : Rx too
low
Rx < 150. Impurities in pool
water
Temporarily switch to manual
addition of chlorine. Check
chlorine via color measurement.
Chlorine container is empty
Replace chlorine container
Electrode broken
Replace electrode
Rx gives a very different value
compared to table 1
Disturbing impurity in the water
Turn off chlorine dosing, and
add the chlorine manually
(temporarily)
Probe piece
Replace probe
Electromagnetic interference
Verify grounding
Problem
Cause
Solution
Het scherm licht niet op
No tension present
Verifieer spanning
Acid pump does not dosing
Switch under the dosing pump
is on "O"
Switch to "1"
Settings of pH scheme are
wrong : pH+ while pH is dosed
(or vice versa)
Verifieerinstellingen