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Setting the temperature
• Press button for 1 second. The temperature display flashes.
• To increase the temperature (warmer): press button
.
• To reduce the temperature (colder): press button
.
• Press button
again.
The desired temperature setting is saved.
Adjustable temperature range
LGUex 1500 from -9°C to -26°C
LGex 3410 from -9°C to -30°C
Calling up the temperature history
The maximum and minimum interior temperature are stored elec-
tronically. These temperatures can be called up.
To call up the temperature:
Press for 5 seconds. Display =
Display =
Display =
Display =
Press for 5 seconds. Display =
Display =
Period in hours in which the interior tem-
peratures were measured. In this example
it was 3 hours.
Display =
Display =
Display =
Maximum (warmest) temperature
measured during these 3 hours.
Display =
Display =
Display =
Lowest temperature measured during
these 3 hours.
To set the observation period back to zero, proceed as
follows.
Display =
Display =
Display =
Display =
Press
for 5 seconds. Display = .
Press
for 5 seconds.
The electronic control system will switch back to normal operat-
ing mode.
Switching the appliance on and o
Connect the appliance to the mains - the display reads OFF.
To switch the appliance on: Keep the ON/OFF button
pressed for approx. 5 seconds - the display reads ON.
No alarm is displayed or sounded when the appliance is switched
on for the rst time.
When it is switched on a second time the appliance is in a status
that is the equivalent of an alarm status (power failure, interior
temperature too high).
The HACCP LED at the bottom right of the display ashes.
Press button
.
Press
+ for 5 seconds. The display will read .
The HACCP LED will now light up permanently.
Press
for 5 seconds.
The electronic control system will switch back to normal operat-
ing mode.
To switch the appliance o: Keep the ON/OFF button
pressed for approx. 5 seconds - the display reads OFF.