Using Preset Temperatures; Over-Temperature Alarm - STRILING Shuttle ULT25NE Operating Manual

4.3 – Using Preset Temperatures
• The Temperature Presets — 1, 2 and 3 can be used to quickly change the Setpoint to
frequently used values. When shipped the Presets are set to -86 º C, -40 º C, and -20 º C.
• To choose one of the preset temperatures:
— Press and hold the Set Temp button until the Set Temp LED glows.
— Push one of the Temperature Preset buttons briefly.
— The new Set Temperature will be shown in the LCD display.
— If this is the desired Set Temperature, the user can either:
– Briefly press the Set Temp button to turn off the Set Temp LED.
– Wait for approximately eight seconds when the freezer control panel
will return to normal operation.
4.4 – Over-Temperature Alarm
If the freezer compartment temperature is 10 º C warmer or colder than the Setpoint
•
for five seconds then it will go into temperature alarm mode.
— The Over Temp LED will turn on (this is used for under temperature alarms as well).
— The freezer will make a double beep every 10 seconds.
— Situations which can affect the freezer's ability to maintain a steady state
or cooling rate include:
– The lid is ajar
– The air vents are blocked
– Addition of a large relatively warm mass
– Power supply problems
– Mechanical and/or electrical problems
4.4.1 – How to Silence the Audible Temperature Alarm
• The Over Temp LED will always be lit when the freezer's temperature is over or under
the set temperature by more than 10 º C.
4.4.2 – To Postpone an Alarm
• When the audible alarm is sounding it can be postponed.
• Press the Temperature Preset - 3 button (located directly beneath the Over Temp LED)
and the audible alarm will be turned off for 1 hour.
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ULT25 NE 10327.1 | 12.22.2016