REFRIGERATION SYSTEM TROUBLESHOOTING FLOW CHARTS
ICE / FROST ON EVAPORATOR
CONDENSATE ON OUTSIDE OF PRODUCT DOOR
COMPRESSOR WILL NOT STOP
Clear Drain Tube from Molded Evaporator Box
to the Condensate Pan.
Check Product Door seal & Harness
openings in Cabinet.
Ice / frost on
Evaporator.
Tube plugged.
outside of Product
Door.
sunlight or near
heat source.
location with
humidity above
70%.
Check Product Door seal &
Harness openings in Cabinet.
Verify Temp Sensor is plugged
in. Replace Temp. Sensor.
not stop.
Environmental
Board in AC
Distribution Box.
Control Board.
Encapsulated
Temp. Sensor.
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