CHART MVE 1839 - Page 39

MVE Biological Systems
TEC 3000 Operating and Maintenance Freezer Manual
13289499 Rev H • 37
Lid Open
Freezer lid has been open longer than Lid Open Alarm Time setting
Communication Loss
TEC 3000 controller has lost communication with the LCD display
*Stuck Valve Alarms
When the freezer is supposed to be filling, if the controller does not see
an appropriate decrease in temperature, within the delay time entered in
the menu, a stuck closed valve alarm will be initiated.
After the freezer is supposed to have stopped filling, if the controller does
not see an appropriate increase in temperature, within the delay time
entered in the menu, a stuck open valve alarm will be initiated.
*(Feature is only available on HEco Models)
If any alarms occur, contact your authorized MVE Distributor or Technical Service.