Registering The Product - Zodiac pH expert Manual De Instalación Y De Uso

Malfunction
• Buffer solution defective
• Problem on porous element
pH7 and/or
• pH sensor is worn
pH4 calibration
impossible (error
message)
or
pH sensor reliability
< 25%
Slow response of pH pH sensor is charged electrosta-
sensor tically

6. Registering the product

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Australia – New Zealand
Europe, South Africa & Rest of the World
H0434900.A - EN - 2013-11
Possible causes
of sensor and/or deposits
• Ensure that the solution used is pH7 or pH4
• Check the pH of buffering solution using an electronic pH
tester
• Use new pH7 and/or pH4 buffering solution
• Restart calibration
• Check that the bulb on the pH sensor is not damaged or has
not dried up while out of the water.
• As a last resort, clean it by leaving sensor in a solution of
10% hydrochloric acid for a few hours.
• Check that the porous element on the sensor is in good
condition (clean with acid solution).
• Replace the pH sensor
Do not use a cloth or paper to wipe the sensor, shake it gently
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Solutions
EN
10