Hach LZY904.98.00002 Instructions D'utilisation page 22

9. Complete the steps
that show on the
controller display.
13. Install the process
head (or the automatic
cleaning module).
Section 5 Troubleshooting
5.1 Status indicator light
Problem
The status indicator light does not
change.
The status indicator light flashes
red.
Section 6 Accessories
Personal injury hazard. Use of non-approved parts may cause personal injury, damage to the
instrument or equipment malfunction. The replacement parts in this section are approved by the
manufacturer.
22 English
10. When the status
indicator light flashes
green, remove the
calibration lid.
14. Push ENTER to
save the calibration
value. The status
indicator light stays
green.
Possible cause
RFID communication failure
The calibration setting is not
correct.
The cuvette has expired.
W A R N I N G
11. Remove the vial.
Make sure that the TU5x00 has an RFID
reader.
Make sure that the StablCal vial is an
RFID cuvette.
The RFID tag of the cuvette is defective.
Make sure that the calibration setting is
configured with STABL CAL.
Use a new cuvette.
12. Make sure that
there is no water on the
process head (or the
automatic cleaning
module). Dry all
possible spills to
prevent water ingress
on the vial
compartment.
Solution