Isotemp Basic 3-1Fisher Scientific
Section 3 Alarms
The Isotemp Basic freezer alarms are displayed on the freezer control panel.
When an alarm is active, the indicator next to the alarm description lights
and an audible alarm sounds. Press the Silence key to disable the audible
alarm for the ringback period. The visual alarm will continue until the
freezer returns to a normal condition. The alarms are momentary alarms
only. When an alarm condition occurs and then returns to normal, the
freezer automatically clears the alarm condition.
All alarm delays and ringback times are ±30 seconds.
* The automatic battery test runs immediately on initial start-up, then every 8 hours thereafter.
Description Delay Ringback Relay
Power Failure 1 min. 15 min. Yes
High Temperature Alarm 1 min. 15 min. Yes
Low Temperature Alarm 1 min. 15 min. Yes
Probe Failure 1 min. 15 min. No
Door Open 1 min. 15 min. No
Wrong Power 0 min. none Yes
Low Battery* 1 min. 12 hours No
Low BUS Battery (optional) 1 min. 15 min. No
Hot Condenser 1 min. none No
High Stage Failure 0 min. 15 min. Yes
Micro Board Failure 0 min. 15 min. Yes
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