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Operation
If the unit is left idle for a period of 30 seconds during service mode, the unit will
exit service mode and return to normal operation.
Note If an alarm occurs while in the service mode, it will not show until
exiting this mode.
To reset values back to factory settings, perform the following procedure:
1. Turn keyswitch to "OFF" position.
2. Hold the up (
) and down (
) arrows while turning the keyswitch
to the "ON" position.
3. Continue to hold buttons for 10 seconds.
4. Release buttons and turn keyswitch to "OFF" position.
5. Turn keyswitch to "ON" position.
CAUTION: Performing this reset will overwrite any changes that were
made after the receipt of this unit.
9.5 Temperature
The factory default temperature setting is 5°C for all laboratory refrigerators. To
change the factory settings, refer to programming instructions in Section 9.3.
Settings
9.6 Alarms
The alarm system is designed to provide visual and audible warning signals
for both power failure and rise in temperature. The alarm is equipped with a
battery backup.
Default cold and warm alarm values are 2°C and 8°C. These values may be
adjusted, following instructions in Section 9.3.
The alarm system is activated only when the key switch is turned to the
Alarm On position. The audible warning signal sounds when there is a
power failure, temperature alarm condition, or when the door is ajar for
more than 3 minutes.
The Mute function (pressing the
button) allows you to turn off the
(
)
audio warning without turning off the visual indicators. The alarm will ring
back approximately after 6 minutes if the alarm is still active.
Thermo Scientific
TSX Laboratory Refrigerators
25
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