Chapter 15 Maintenance and troubleshooting
15.2 Troubleshooting
200 HORIBA
15.2 Troubleshooting
This type of 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.
15.2.1 Error message chart
ERR No. Message Explanation
01 Memory ERROR Data cannot be read from or written to the internal
memory.
02 Low battery The battery voltage is low.
03 Unstable reading
ERROR
The electric potential did not stabilize within three
minutes.
04 Zero calibration
ERROR
pH: The asymmetry potential of the electrode is
45 mV or more.
05 Span calibration
ERROR (pH)
pH: The electrode sensitivity is either 105% or
more or 85% or less than the theoretical sensitiv
-
ity.
06 Excess calibration
points
Calibration exceeding the calibration points.
07 Buffer uncertain pH: The pH meter cannot identify the standard
buffer
08 Please calibrate pH: Exceeds the calibration cycle setting.
09 Printer ERROR There is a problem with the printer unit.
10 Data memory over The number of data items has exceeded the limit
of the memory.
11 Cell constant out of
range
COND: Cell constant is out of automatic calcula-
tion range.
12 Compact flash card
error
Compact flash or its contents are abnormal.
13 Compact flash card
full
Capacity of Compact flash memory is exceeded.
14 No compact flash
card
Compact flash is not inserted.
15 Ethernet ERROR Abnormal Ethernet connection
16 Ethernet timeout Abnormality has occurred in Ethernet during com-
munication.
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