Error messages and malfunctions
9
Error messages and malfunctions
Error
Possible causes
E-01
Intensity of the light source not
correctly adjusted.
E-02
Error during adjustment with air
• The surface of the prism is dirty
E-03
Error during adjustment with water - Put water on the measuring
• There was no water on the
measuring cell during the
adjustment
E-05
Full appears instead of a
sample number:
• Data memory full
E-06
Memory fault
E-07
Measuring time of 3 minutes
exceeded
BATT
Batteries dead
No
There is no sample on the
Samp. measuring cell
No
Error during measurement
Meas.
This error normally shows up if
the difference between sample
and ambient temperature is too
high
Range The refractive index of the sample - Measure only samples with a
Over
is not within the range of meas-
urement of the Refracto 30P
18
What to do
- Carry out an adjustment
with air
- If the error message appears
again: Check whether the light
source works and call METTLER
TOLEDO Service
- Clean the surface of the prism
and repeat the adjustment with
air
cell and repeat adjustment
- If the error message appears
again: Check whether the light
source works and call METTLER
TOLEDO Service
- Delete data from memory
- Call METTLER TOLEDO Service
- Switch instrument off and
on again
- Carry out a measurement with
pure distilled water. If error
appears again:
- Call METTLER TOLEDO Service
- Replace batteries
(see Chapter 4.1)
- Put a sample on the measuring
cell and repeat measurement
- Wait until the sample has
reached ambient temperature
and repeat measurement
refractive index in the range of
1.32 ... 1.50
METTLER TOLEDO Refracto 30P