What To Do If - wtw photolab S12 Operating Instructions Manual

18. What to do if...

The display remains blank
when switched on
appears
Date/time is lost when
switched off
MemoChip is not recogni-
zed
Password forgotten
Photometer does not react
Error messages:
remove cell
lamp defective
no zero adjustment
cell error
cell invalid
method invalid
wrong method
E_0
E_1, E_2 or E_3
72
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.
Battery nearly empty. Charging required (see chapter 3 C
The backup battery of the real time clock is empty and has to be replaced.
Send the photometer to the service department for this.
The MemoChip is not recognized by the photometer though it is in the recess
during switching on. Operate the photometer with line power (see chapter 3
C ). Repeat the procedure.
OMMISSIONING
Inform the service department.
The connected printer is off line. Switch on the printer or pull out the interface
cable.
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 depart-
ment.
Replace the lamp (see chapter chapter 16 M
No zero adjustment is stored in the meter for the cell. Perform zero adjustment
(see chapter chapter 11 Z
The rectangular cell is inserted incorrectly, or two cells are inserted. Insert the
cell correctly.
A cell type that is not allowed for the selected method was selected, e. g. a round
cell for the reagent test.
No data is stored in the photometer for the selected method. Update method
data (see chapter chapter 14 U
During a difference measurement, the method was changed between the first
and second measurement. During a difference measurement, the method
must remain identical.
Hardware error: Send the photometer to the service department.
Replace the lamp (see chapter chapter 16 M
If the error message remains, send the meter to the service department.
AINTENANCE
).
ERO ADJUSTMENT
PDATING METHOD DATA
AINTENANCE
).
OMMISSIONING
, , ).
CLEANING DISPOSAL
).
, , ).
CLEANING DISPOSAL