53
16. What to do if…
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 3 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.
MemoChip is not recogni-
zed
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
OMMISSIONING
). Repeat the procedure.
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 depart-
ment.
lamp defective
Replace the lamp (see chapter chapter 14 M
AINTENANCE
).
no zero adjustment
No zero adjustment is stored in the meter for the cell. Perform zero adjustment
(see chapter chapter 11 Z
ERO
ADJUSTMENT
).
method invalid
No data is stored in the photometer for the selected method. Update method
data (see chapter chapter 12 U
PDATING
METHOD
DATA
).
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 chapter 14 M
AINTENANCE
). If the error message
remains, send the meter to the service department.
16
What to do if
…