Condenser coils
Brush or vacuum dust off refrigeration condenser coils. Dirty coils are the #1 preventable compressor killer.
Door gaskets
Wipe gaskets and check the dollar-bill pull test. Torn gaskets make compressors run constantly.
Ice machine visual
Look for slime, scale, or cloudy cubes. Production loss starts small.
Hood filters
Wash baffle filters weekly. Grease-loaded filters choke airflow and are a fire risk.
Drains
Pour hot water down floor drains and check evaporator drain lines for standing water.