What to do if…
ba77048e01
02/2014
17
The display remains blank
when switched on
Connect the photometer to the line power via the power pack.
In the case of battery operation: Battery empty, charging required (approx. 5h);
line operation is possible without restrictions during charging time.
appears
Battery nearly empty. Charging required (see chapter C
OMMISSIONING
).
Date/time is lost when
switched off
The backup battery of the real time clock is empty and has to be replaced.
Send the photometer to the service department for this.
Password forgotten
Inform the service department.
Photometer does not react
The connected printer is off line. Switch on the printer or pull out the interface
cable.
Error messages:
remove cell
The message remove cell appears on the display although no cell is inserted.
Clean the cell shaft with a damp, lint-free cloth.
If the error message still appears, return the photometer to the service
department.
lamp defective
Replace the lamp (see chapter M
AINTENANCE
,
CLEANING
,
DISPOSAL
).
no zero adjustment
No zero adjustment is stored in the meter for the cell. Perform zero adjustment
(see chapter Z
ERO
ADJUSTMENT
).
cell error
The rectangular cell is inserted incorrectly, or two cells are inserted. Insert the
cell correctly.
cell invalid
A cell type that is not allowed for the selected method was selected, e. g. a round
cell for the reagent test.
method invalid
No data is stored in the photometer for the selected method. Update method
data (see chapter U
PDATING
METHOD
DATA
, in the F
UNCTIONAL
DESCRIPTION
document [on CD-ROM]).
wrong method
During a difference measurement, the method was changed between the first
and second measurement. During a difference measurement, the method
must remain identical.
E_0
Hardware error: Send the photometer to the service department.
E_1
,
E_2
or
E_3
Replace the lamp (see chapter M
AINTENANCE
,
CLEANING
,
DISPOSAL
). If the error
message remains, send the meter to the service department.