Xylem handylab pH LF 12 User Manual download pdf (Page 67)

handylab pH/LF 12 What to do if...

ba75370e03 11/2009

6 What to do if...

6.1 pH system messages

Error message 0FL

Error message 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– Electrolyte out of date – Replenish electrolyte or

replace electrode

– Electrode worn out – Replace electrode

– Electrode broken – Replace electrode

Measuring instrument:

– Incorrect calibration procedure – Select correct procedure

– Incorrect solution temperature

(without temperature probe)

– Set up correct temperature

– Socket damp – Dry socket

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 79 80

No comments

Xylem handylab pH LF 12 User Manual Page 67