Check that the following parts of the unit are functional:
n
Door handle
Special tool:
n
Calibrated temperature measuring device
1.
Create a simulation of chilled goods for the sensor.
2.
Attach measuring sensor in the interior at medium height.
3.
Read temperature after 120 minutes.
4.
After the check, clean and disinfect the unit
“Cleaning and disinfection” on page 50
.
1.
Turn unit key to position “P”.
2.
Press buttons
[Temperature warning max.]
and
[Temperature warning min.]
simultaneously and hold for
approx. four seconds.
ð
The Display shows a flashing decimal point (
).
The test function starts, the electronic delay is switched
off for 10 minutes.
3.
Heat the monitoring sensor (
) (for example with your fingers).
4.
Wait until the warning limit is exceeded and the buzzer
sounds.
ð
The Display alternates between the current temperature
and the error message.
5.
Cool down the monitoring sensor (for example with a cooling
spray).
6.
Wait until the warning limit is exceeded and the buzzer
sounds.
ð
The Display alternates between the current temperature
and the two error messages (upper and lower tempera-
ture alarm).
Function check
Checking the temperature
Testing the temperature alarm
Maintenance
Safety inspection
27.05.2021
Refrigerator/freezer LABO series
54