Xylem CG 843 User Manual
Page 61
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What to do if...
129
Cause
Remedy
– Batteries almost
depleted
– Replace batteries
(see section 5.1
M
AINTENANCE
)
Cause
Remedy
– Timeout of the interface
– Checkout connected
instrument
Cause
Remedy
– pH electrode unsuitable
– Use suitable electrode
– Temperature difference
between buffer and
sample too large
– Adjust temperature of
buffers or samples
– Measuring procedure not
suitable
– Follow special procedure
Cause
Remedy
– Operating state
undefined or EMC
electric stress unallowed
– Processor reset:
Press the <auto read>
key and switch on
instrument
Cause
Remedy
– All 200 memory locations
are full
– Output data store and
clear data store
LoBat display
*(
display
Obviously incorrect
measured values
Instrument does not
react to keystroke
*( +,,
message
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