Bluelab Dosetronic Peridoser Kit - Manual (Page 37)

33
Version P1.3 : 151012
Bluelab Dosetr
onic P
eridoser Kit
Bluelab Corporation Limited Bluelab Corporation Limited
6
Trouble shooting
6.1 Overview
In general, if your actual readings are fl ashing there will be a problem with the measurement e.g ineffective control. If the required
reading is fl ashing then there will be a problem with the method of control e.g an actual value is outside one of the lockout values.
(see page 30 for more a detailed explanation)
Nutrient reading low Contaminated probe Clean Conductivity probe (see p.31)
pH reading inaccurate Contaminated probe Clean pH probe (see p.32). Replace probe if in doubt
Calibration has expired Calibrate pH probe (see p.25)
6.2 Error Messages
Err
Or
Ur
----
Probe is disconnected or
sensor is damaged
EC or pH temperature is out of
range (0-50°C)
Measurement is under range
Measurement is over range