Kolpak is Specified #1 in Cold Food Storage

Compressor Does Not Run
Unit Short Cycles
Contractors or Relays Burn Out
Start Capacitors Burned Out
Run Capacitors Burned Out
Unit Operates Long or Continuously
Box Temperature Too High
Discharge Pressure Too High
Discharge Pressure Too Low
Suction Pressure Too High
Suction Pressure Too Low
Noisy Unit
Compressor Loses Oil
Evaporator Fans Will Not Operate
Coil Does Not Clear Of Frost During Defrost
Ice Accumulating in Drain Pan
Ice Accumulating on Ceiling Around Evaporator and/or on Fans, Guards or Venturi

Walk in freezer and cooler home » Service » Training

Evaporator Fans Will Not Operate

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Questions Cause Remedy
Have you checked the wiring connections? Loose wiring Check all wire junctions. Tighten all terminal screws
Have you checked the wiring? Improperly wired Check wiring against diagram. Make changes as necessary
Have you checked the voltage and amperage to motor? Low voltage or amperage Increase voltage and/or amperage to nameplate specifications
Is unit in defrost? Unit in defrost. Only air defrost models continue to run. Fans do not run with electric defrost models while in defrost None. Wait for completion of defrost cycle
How cold does coil become? Coil does not become cold enough to reset fan delay Adjust box thermostat. Adjust or replace fan delay
Is fan delay defective? Defective fan delay Replace fan delay
Is motor defective? Defective motor Replace motor
Is defrost timer defective? Defrost timer defective Replace defrost timer