94
9.1.2
Error Codes
Table 14 Error Codes
Error
Code
Display
Error
Description
Probable Cause
Corrective Action
E00
EEFAIL
EEPROM
failure
One or more of the data cells either
fails to program or losses data.
NOTE
In the case of loss of data, internal
diagnostics automatically restore
the data.
Clear the warning (see
Cycle power off, then on and check system
warnings. A recurring E00 warning indicates
EEPROM damage. Replace the microprocessor
circuit board. Frequent E00 indicates EEPROM
may be near failure. Replace the
microprocessor circuit board.
E01
REF TIME
Reference
timer time-out
Indicates the reference electrode needs
refilling. Occurs 30 days after last reset.
Refill the electrolyte (see
Replacing Electrolyte) and clear the warning
(see
E02
SOFT SRT
Software
restart
The microprocessor enters an
abnormal operating mode, and internal
diagnostics resume normal operation.
Clear the warning (see
If E02 occurs frequently, call the service
department.
E03
COLD SRT
Cold start
Requested from the diagnostic menu
(
Section 9.1.1 Test Diagnostic Menu) or
new software installed. Returns all
settings and calibrations to factory
defaults.
Clear the warning (see
Re-enter the operator settings, and re-calibrate
the electrode.
E04
PROBE ER
pH probe
open
The electrode wiring is disconnected,
or the electrode is defective.
Determine, then resolve the problem with the
electrode by referring to
Troubleshooting the pH Electrode. The warning
will self clear when the problem is resolved
E05
PROBE ER
pH probe
shorted
The electrode wiring is shorted, or the
electrode is defective.
Determine, then resolve the problem with the
electrode by referring to
Troubleshooting the pH Electrode. The warning
will self clear when the problem is resolved
E06
PROBE ER
Temperature
probe open
The electrode wiring is disconnected,
or the electrode is defective.
Determine, then resolve the problem with the
electrode by referring to
Troubleshooting the pH Electrode. The warning
will self clear when the problem is resolved
E07 PROBE
ER
Temperature
probe
shorted
The electrode wiring is shorted, or the
electrode is defective.
Determine, then resolve the problem with the
electrode by referring to
Troubleshooting the pH Electrode. The warning
will self clear when the problem is resolved
E08
MARG CAL
Marginal pH
offset
Calibration is outside the normal range.
During a calibration, a marginal pH
offset warning is set if the required
offset is greater than
±
100 mV.
Recalibrate the instrument or clean or replace
the electrode. The warning will self clear when
the problem is resolved, or it may be cleared
manually (see
E09
MARG CAL
Marginal pH
gain
During a calibration, a marginal pH gain
warning is set if the required slope is
outside the range of 50.6 to 71.2 mV.
Recalibrate the instrument or clean or replace
the electrode. The warning will self clear when
the problem is resolved, or it may be cleared
manually (see
E10
MARG CAL
Marginal
temperature
offset
During a calibration, a marginal
temperature offset warning is set if the
required offset is greater than
±
20
°
C.
Recalibrate the instrument or clean or replace
the electrode. The warning will self clear when
the problem is resolved, or it may be cleared
manually (see
E11
MARG CAL
Marginal
temperature
gain
During a calibration, a marginal
temperature gain warning is set if the
required offset is greater than
±
20
°
C.
Recalibrate the instrument or clean or replace
the electrode. The warning will self clear when
the problem is resolved, or it may be cleared
manually (see
E12
PWR FAIL
Power failure
The power to the instrument has been
shut off since the last time this warning
was reset.
Содержание EC1000
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