Operation
Thermo Scientific Cryopgenic Storage Freezers
Installation and Operation Manual
9
6. Check Fuse Light. This indicator lights when the surge protector on the
main electronic panel is blown by a power surge.
7. Alarm Test Pad. Press this pad to start an alarm test (refer to Section
6.3.5).
8. Alarm Reset Pad. Press this pad to reset slowly blinking indicators.
Slowly blinking indicators denote that the condition has occurred but is
now within the given operating parameters. This pad is also depressed to
temporarily silence the audible alarm.
9. Cold Alarm Setpoint. Press this pad to set the cold alarm (refer to
Section 6.3.3).
10. Warm Alarm Setpoint. Press this pad to set the warm alarm (refer to
Section 6.3.3).
11. Control Setpoint. Press this pad to set the cabinet temperature (refer to
Section 6.3.2).
12. Cabinet Temperature Indicator. This indicator lights when the
temperature display window is showing the cabinet temperature.
13. Digital Temperature Display Window. This window displays chamber
temperature, alarm values, etc. depending on the operating status of the
freezer and the procedure being performed.
14. Decrement Pad ( ). Use this pad to decrease temperature values.
15. Increment Pad ( ). Use this pad to increase temperature values.
16. Extreme Ambient Alert. This indicator lights when the ambient
temperature has exceeded the upper limit of the recommended
operating range. If the Extreme Ambient Alert is activated, the ambient
environment needs to be improved for proper function of the freezer.
17. Clean Filter Indicator. This indicator lights when the air cooled
condenser or air filter is dirty.
18. Alarm Battery Low Indicator. This indicator lights when the charge on
the alarm battery is low. Press this button to display the percent of full
battery charge in the digital display window.
19. Voltage Boost Indicator. This indicator lights when incoming voltage is
low and the Voltage Safeguard has been activated. Press this pad to
display the current line voltage in the digital display window.
