Xylem mjk pHix Compact Manual page 36

Appendencies
Error codes
Symptom/mA signal
Constant current
signal or 1 = 0 mA
Unsteady current
signal
I = 3.80 mA
I = 3.85 mA
I = 3.90 mA
I = 3.95 mA
I = 4.00 mA
I = 22.00 mA
Standard transmitter configuration
The transmitter is standard configured as described below on delivery:
AVAILABLE IN THE US ONLY:
• pH transmitter, item no. 203111
• Measuring range: 0-14 pH = 4-20 mA, 0-point = 4,6 pH
Appendencies / Error codes
Fault
Electrical connection is
not made correctly
Undervoltage
Undervoltage
Electrode error
Calibration not possible Exchange the electrode
pH lower than
measuring range
Error on startup
pH higher than
measuring range
pHix® Compact
EN 4.10 Version 2007
Remedy
Check connection and
make the necessary
corrections
Check the voltage at
transmitter. Min. voltage @
max. load > 12 V DC
Check the voltage at
transmitter. Min. voltage @
max. load > 12 V DC
Exchange the electrode
Readjust the measuring
range to a lower range
Disconnect the transmitter
from PSU for min. 5
seconds and try again
Readjust the measuring
range to a higher range
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