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ERRORS, ALARMS AND WARNINGS
ERROR MESSAGES
The possible error, alarm and warning messages are described
below with a short suggestion about the needed action to
remove the error.
The pH and temperature related messages are present only on
PCA 321 and PCA 331 and the ORP related messages are
present only on PCA 331.
The warning messages appears on LCD and some of them on
SMS. The measuring is not stopped on warnings.
Alarm conditions generate messages on the LCD, send SMS
(if enabled), activate the alarm relay and the ALARM LED.
Error conditions generate messages on the LCD, send SMS (if
enabled), activate the system error relay, the SYSTEM ERROR
LED and block the dosing.
"No Reagent" on LCD and "No Reag." on SMS
The reagent counter reached 0.
Change the reagent bottle and reset the reagent counter
"Hardware Error" on LCD and "Hw Err" on SMS
Error on the hardware.
Call Hanna service.
"Detector Error" on LCD and "Det Err" on SMS
The light source or light detector not working or the
detector is too dirty, the reading is under "Low Point" value.
Clean cell, replace the cell, observe if the sample flow in
the cell, edit the "Low Point" value.
"pH Out of Range" on LCD and "pH Err" on SMS
pH value is outside range (0.00 to 14.00 pH).
Change the pH probe.
"ORP Out of range." on LCD and "ORP Err" on SMS
ORP value is outside range (0 to 2000 mV).
Change the ORP probe, verify the sample ORP
"Temp. Out of Range" on LCD and "Temp Err" on SMS
Temperature value is outside range (5.0 to 75.0 °C).
Change the pH probe, verify the sample temperature, verify
the pH probe connector.
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