Quick Answer. Dirty condenser coils, evaporator fan motor failure or a defective start relay switch are common freezer problems that cause the freezer to malfunction or not freeze. Frosted-over evaporator coils, a worn-out condenser fan motor or a defective temperature control thermostat are also common culprits of a malfunctioning freezer.
Peer Review Definition. Peer review is the evaluation of creative work or performance by other people in the same field in order to maintain or enhance the quality of the work or performance in that field1.
Michael Blann/Lifesize/Getty Images. Peer review appraisal is a way to more effectively gauge the performance of employees by establishing relevant evaluation criteria, and using those best equipped to speak about an individual's work to grade him accordingly. Peer review can take the form of disciplinary panels or ongoing feedback between co-workers.