This is an upright freezer only. I recently replaced the non-working evaporator fan motor with a new OEM motor. I placed a data logger in the freezer for 3 days. Temperatures in the top are averaging 30 degrees and the bottom shelf zero. Complaint is food is soft on the top shelf. The frost pattern on evaporator was good. The freezer is loaded up pretty full but it appears to me that there is adequate space for air to flow. One thing I noticed was when I would pull the evaporator wall forward the evaporator motor fan motor sounded like it would speed up. I’m not sure is this is just because I could then hear the fan better or if it was actually speeding up due to less restricted air flow. There was door seal problem as well but this was corrected before I placed the data logger in place and the seal is good. The cold control is set on #5 which is colder than the customer normally had to set it. I was wondering if I need to replace the cold control or if the evap motor is possibly spinning to slow. Thank you for any advice.
Odds are it’s a blocked return-air duct at the bottom, or even an inefficient compressor. You may have to inspect the evaporator coil also to verify a full frost pattern & no blockage. If there was a previous air leak, the air duct could have been blocked with frost. Are you sure the fan blade is on right. Is the evaporator clear? Is There An Air Return port?
- AV Repair Help answered 9 years ago
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