Troubleshooting – Hach-Lange SI792 P, SI792x P, SI792x P-FF, SI792x P-PA User Manual User Manual
Page 87

Troubleshooting
85
CAL ERR with
calibration error
icon
Buffer recognition problem;
mV value not correct for
specified buffer or mV values
are similar for 2 buffers.
Make sure that the buffer(s)
used match the buffer(s)
specified in configuration.
For manual calibration, make
sure that the correct buffer is
used as specified.
Replace the buffer
solution(s).
Make sure of the
temperature specification in
configuration.
Make sure that the correct
probe is connected to the
transmitter.
Clean the probe.
Replace the probe.
CAL ERR with
calibration timer
icon
Calibration canceled due to
large drift in mV reading.
Make sure that the buffer(s)
used match the buffer(s)
specified in configuration.
Replace the buffer
solution(s).
Make sure that the
temperature of the buffer
solution does not change
during measurement.
Make sure that the cable is
sufficiently shielded from
strong electric fields.
Make sure that the probe has
electrolyte.
Clean the probe.
Replace the probe.
Table 24 Calibration error messages (Continued)
Display
Description
Corrective action
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