Error Description Solution
E-12 Low battery
power
Battery power is too low. Replace the
batteries. Refer to Install the batteries
on page 7.
E-13 Parameter load
failure
The memory of the instrument is defective.
Contact technical support.
E-14 followed
by "_.__" or "0"
if no zero was
present
Zero
measurement
invalid
The zero measurement is too low. Use a
sample cell filled with water and try again.
If the error continues, contact technical
support.
E-15 followed
by "_.__"
Absorbance too
high
Identify if there is a light blockage in the
cell holder. Clean the cell holder. Dilute
the sample. Do the test again.
Note: This instrument can not read absorbance
values higher than 3.5 Abs.
E-20 Signal
measurement out
of range
There is too much light on the light
detector. Make sure that the instrument
cap is fully installed on the cell holder. Do
the test again. If the error continues,
contact technical support.
E-21 Signal
measurement
unstable
There is an unstable signal on the light
detector. There is too much or unstable
ambient light. Make sure that the
instrument cap is fully installed on the cell
holder. Do the test again. If the error
continues, contact technical support.
E-22 Hardware error The electronic system is defective.
Contact technical support.
The following errors can occur immediately after an instrument update.
Error Description Solution
E-30 No application There was an error during the application update.
A valid application was not found on the
instrument. Update the instrument again.
E31 Bootloader update
failed
There was an error during the transmission of the
bootloader update. Update the bootloader again.
English 23
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