Manual

4342
11. Error Messages
LCD
Indicates Cause Solution
Display Err Unrecognized input Wrong input in Release key. Select annunciator from keypad selected mode. valid operations
depending on mode.
CAL & Err Calibration error Wrong buffer value Check your buffer input annunciators on/ input at calibration. value, clean probe. Buffer and Dirty probe. See Calibration sections or electrode Probe Maintenance section. indicators blink Battery Low battery level Need new batteries Clean battery contacts. indicator blinks or battery Replace batteries with fresh
connection is bad ones, noting polarity
* See "Warranty" and "Return of Items" on page 47 If an error message appears in the primary display (the upper row of larger digits), switching off the meter and switching it on again may eliminate the error message. See figure If error persists, or the meter shows incorrect values, return the meter. For a complete diagram of the display, see page 5.
ERR 1 in primary display
A
A
10. Troubleshooting
Problem Cause Solution Power on but a) Batteries not in place. a) Check that batteries are in no display place and making good
contact.
b) Batteries not in correct b) Reinsert batteries with
polarity (+ and –). correct polarity.
c) Weak batteries. c) Replace batteries or attach
optional AC adapter.
Unstable a) Air bubbles in probe. a) Tap probe to remove bubbles. readings
b) Dirty probe. b) Clean the probe and
recalibrate.
c) Probe not deep c) Make sure sample entirely
enough in sample. covers the probe sensors.
d) External noise pickup d) Move or switch off
or induction caused by interfering motor. nearby electric motor.
e) Broken probe. e) Replace probe. See page 45.
Slow response a) Dirty/Oily probe. a) Clean probe. See "Probe
Care & Maintenance", page 40.
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