VWR 5700 Series, Operating And Maintenance Manual

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ULT Freezer 3-1 VWR International
Section 3
Alarms
The Model 5700 Series freezer alarms are displayed on the control panel.
When an alarm is active, the indicator next to the alarm description lights
and an audible alarm sounds. Press the Mute key to silence the audible
alarm for the ringback period. The visual alarm continues 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.
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
All alarm delays and ringback times are ±30 seconds.
* The automatic battery test runs 12 hours after initial start-up, then every 12 hours thereafter.