6 Maintenance and Troubleshooting
6.2 Troubleshooting
ES-51
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6.2
Troubleshooting
The meter is equipped with a simply error-message
function to notify the operator that an operation error or
problem with the equipment has occurred. Errors or
other problems that occur while in the Measurement
mode are announced by an error No. appearing in the
lower left-hand corner of the display.
6.2.1 Error message chart
ERR No.
Message
Explanation
01
Memory error
Data cannot be read from or written to
the internal memory.
02
Battery voltage
low
The battery voltage is low.
03
Electrode
stability error
The electric potential did not stabilize
within three minutes.
09
Printer error
There is a problem with the printer.
10
Data memory
over
The number of data items has
exceeded the limit of the memory.
11
Cell constant out
of range
Cell constant is out of automatic
calculation range.
