Hach-Lange pHD sc - Manual (Page 29)

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Section 6 Troubleshooting
6.1 Error Codes
Errors are defined in Table 4 .
6.2 Warnings
Errors are defined in Table 5 .
Table 4 Error Codes
Displayed Error Definition Resolution
ADC FAILURE System measurement fails Contact Technical Consulting Services.
Table 5 Warning Codes
Displayed Warning Definition Resolution
PROBE OUT RANGE
Measured pH/ORP exceeds the expected
value range.
Contact Technical Consulting Services.
TEMP OUT RANGE
Measured temperature exceeds the
expected value range.
Contact Technical Consulting Services.
FLASH FAILURE System flash memory write has failed. Contact Technical Consulting Services.
ACTIVE. ELEC
Standard electrode is not performing within
the required specifications.
Contact Technical Consulting Services.
REF. ELECTRODE
Reference electrode is not performing
within the required specifications.
Contact Technical Consulting Services.
CAL REQUIRED
60 days has elapsed since the last
calibration
Perform a calibration.
REPLACE SENSOR
One year has elapsed since the sensor has
been installed.
Replace sensor and restore counter in the
SENSOR SETUP>DIAG/TEST>RESET SENSOR
menu