Liquid (acid or chlorine) in
dosing compartment of chlorine
or acid pump
Santoprene dosing hose leak
Check if dosing nipple is
clogged, and replace dosing
hose.
Dosing hose in pH or chlorine
dosing forms a bladder
Supply of acid or chlorine in
injection nipple stymied by dirt /
calcification
Stop immediately aciding and
clean/replace nipple. Use liquid
chlorine with anti-lime
Calibration fluid out of date or
dirty
Replace calibration fluid
Leave probe in pool water for
24 hours, and recalibrate
Device comes into alert : pH too
high.
Verify pH by color method.
Correct pH manually or turn off
the alarm function once and
have the dosing device reduce
the pH.
Device goes into alarm : pH too
low
Verify pH by color method.
Correct pH manually or turn off
the alarm function once and
have the dosing device reduce
the pH. Use one-time pH+ and
set setting device to pH+
pH becoming 7, also in
calibration fluids pH 4 and pH 9.
Replace pH probe and
recalibrate
Device comes into alert : Rx too
low
Rx < 150. Impurities in the pool
water
Temporarily switch to manual
addition of chlorine. Check
chlorine through
colormeasurement.
Chlorine container is empty
Replace chlorine container
Rx gives very different value
from Table 1
Disturbing impurity in the water
Turn off chlorine dosage, and
add (temporarily) the chlorine
manually
Electromagnetic interference