
Chapter 4 Maintenance and Troubleshooting
4.2 Troubleshooting
66
4.2
Troubleshooting
This instrument is equipped with a simple error-message
function to notify the operator that an operation error or
problem with the equipment has occurred. Errors or
other problems that occur in the measurement mode are
announced by an "ERROR No." appearing in the upper
left-hand corner of the screen.
4.2.1 Error message chart
ERROR
No.
Message
Definition
0001
Memory ERROR
Data cannot be read from or written to
the internal memory.
0003
Unstable reading
ERROR
The electric potential does not stabilize
within three minutes.
0004
Zero calibration
ERROR
The asymmetry potential of the electrode
is outside the range of ±45 mV.
0005
Span calibration
ERROR
pH: The electrode sensitivity is not within
the range from 85% to 105% for the
theoretical sensitivity.
ION: the slope is inversed.
0007
Buffer uncertain
The standard solution cannot be
identified automatically.
0008
Please calibrate
The actual calibration interval exceeds
the calibration cycle setting.
0009
Printer
communication
ERROR
There is a problem with the printer com-
munication.
0010
Data memory over
The number of the memory data
exceeds the limit of the memory.
000E
Key operation
ERROR
Key operation is invalid.
Содержание LAQUA F-71G
Страница 1: ...Instruction Manual pH METER F 71G...
Страница 2: ......
Страница 12: ...For Your Safety X JPN EN61326 1 EN61010 1 II 2...
Страница 100: ......
Страница 101: ......
Страница 102: ......