Error Messages - Aqualytic SD 400 Oxi L Mode D'emploi

Installation of the user program takes place as follows:
1. Remove the SD card from the memory card slot in the measuring device.
2. The SD card is inserted in a card reader (not included in the scope of deliver contents) and
connected to the PC.
3. The "setup" file is opened from the SD card by double-clicking and the installation is
carried out.
4. Before the instrument is switched on, the SD card must be re-inserted in the memory card
slot in the instrument.
Attention: Please ensure that the card is inserted correctly in the memory card slot.

10 Error messages

Display - Error message
Micro SD card read error
Sensor communication error No signals sent from the in-
Oxygen measurement out-
side of measuring range
Battery symbol blinking
Single-point calibration error The calibration time was too
No display appears when
switching on
No response after pressing
a button
Long response time
30
Possible cause
No SD card in the measuring
device, SD card not readable
or SD card not inserted cor-
rectly in the memory card
slot.
strument
The oxygen concentration is
higher than the measuring
range of the device
Low battery capacity
long or it was interrupted
by pressing and holding the
ENTER button
a) No batteries in the device
or incorrectly inserted
b) Voltage too low
a) Defective keypad
b) Circuit board or software
error
a) Sensor cap dirty or de-
fective
b) Temperature fluctuations
Measure
Insert the SD card correctly or
replace it with a new card in
order to check whether the
problem pertains to the SD
card or the memory card slot.
Check the cable and con-
nection
Use suitable measurement
samples
Replace batteries or external
power supply via USB con-
nection
Press any key to continue
if the calibration was in-
terrupted by the user or
check whether the sensor
membrane has exceeded
the recommended service life
a) Insert batteries and ensure
correct polarity
b) Replace batteries and
check battery contacts
Contact retailer
a) Clean or replace sensor
membrane
b) Keep temperature con-
stant
SD_400 Oxi L_1 01/2016