Calibration - Hach EC1000 Instruction Manual

Note: The probe errors
and the reference timer
time-out require the cause
of the fault to be corrected
before they will clear.
2.3

Calibration

SECTION 9 TROUBLESHOOTING for additional information on the system warnings.
To display or clear the WARNINGS, press
Press the key to scroll to:
UP ARROW
Press .
ENTER
Press . The system displays the Warning Codes shown in Table 3. Additional details
ENTER
about the warning can be found in Section 9.1.2 Error Codes and Section 9.1.3 System
Warnings. The warning codes appear momentarily followed by CLeaR WaRNing.
Press to CLeaR WaRNings on the display.
ENTER
Use this menu to calibrate the pH (or ORP) electrode, review the pH calibration, calibrate
the temperature sensor, and adjust the mV offset. The calibration menu is entered by
pressing the CAL key. The first display to appear is STD 1, followed by STD 2 (after STD
1 is completed), GRAB SMP, REVIEW, TEMP, and MV ZERO. The user may then scroll
up or down through the first level of the menu to make adjustments to each calibration.
(Note: If the keyboard is locked, only the REVIEW sub menu may be entered.)
to call up the setup menu:
SETUP
Table 3 Warning Codes
CODE MESSAGE
E00 EE FAIL
E01 REF TIME
E02 SOFT SRT
E03 COLD SRT
E04 PROBE ER
E05 PROBE ER
E06 PROBE ER
E07 PROBE ER
E08 MARG CAL
E09 MARG CAL
E10 MARG CAL
E11 MARG CAL
E12 PWR FAIL
37
CAUSE
EEPROM failure
reference timer time-out
software restart
cold restart
pH probe open
pH probe shorted
temperature probe open
temperature probe shorted
marginal pH offset
marginal pH gain
marginal temperature offset
marginal temperature gain
power failure