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Chapter 4 Maintenance and Troubleshooting
4.2 Troubleshooting
76
●
The temperature display blinks.
The temperature display is fixed at 25
°
C.
The temperature measurement value is outside the
measurement range.
Measurement range:
−
30
°
C to 130
°
C
Cause
Countermeasure
The temperature of
the sample is out-
side display range.
Check the sample temperature.
Adjust it within the measurement range.
The internal therm-
istor connection of
the electrode is
broken or shorted.
Check the resistance of the temperature
sensor connector. If it is 50 k
Ω
or more at
room temperature, replace the electrode.
The connection of
the temperature
connector is failed.
Insert the temperature connector firmly.
The instrument is
defective.
Contact our representatives in your
region.
The settings of the
temperature cali-
bration is failed.
Initialize the settings referring to "
Summary of Contents for LAQUA F-71G
Page 1: ...Instruction Manual pH METER F 71G...
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Page 12: ...For Your Safety X JPN EN61326 1 EN61010 1 II 2...
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