Technical fault of freezer

Record number: 
986
Adverse Occurrence type: 
MPHO Type: 
Estimated frequency: 
Technical faults on freezers are reported frequently
Alerting signals, symptoms, evidence of occurrence: 
During cryopreservation the freezer had an extreme fluctuation in temperature between –10 oC and –100 C°. 9 embryos of 2 couples lost
Demonstration of imputability or root cause: 
Technical fault of freezer
Suggest references: 
AAA