pH 1970i
What to do if...
55
ba75690e01
01/2007
6
What to do if...
Error message
0FL
0FL
0FL
0FL
Error message
E3
E3
E3
E3
Cause
Remedy
pH electrode:
– Not connected
– Connect electrode
– Air bubble in front of the
diaphragm
– Remove air bubble
– Air in the diaphragm
– Extract air or
moisten diaphragm
– Cable broken
– Replace electrode
– Gel electrolyte dried out
– Replace electrode
Cause
Remedy
Electrode:
– Diaphragm contaminated
– Clean diaphragm
– Membrane contaminated
– Clean membrane
– Moisture in the plug
– Dry plug
– Electrolyte obsolete
– Replenish electrolyte or
replace electrode
– Electrode obsolete
– Replace electrode
– Electrode broken
– Replace electrode
Measuring instrument:
– Incorrect calibration procedure
– Select correct procedure
– Incorrect solution temperature
(without temperature sensor)
– Set up correct temperature
– Socket damp
– Dry socket
