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• Temperature controller fault code
Display symbols Description Remarks
Er2 Refrigerating sensor failure
Er4 Ambient temperature sensor failure
AH2 high temperature alarm
AL2 low temperature alarm
• Temperature displayer
REFREGUTOR--shows the temperature of the vaccine storage area;
The displayer is equipped with solar energy and is powered by itself, without additional circuitry. The
display only shows the temperature inside the refrigerator, Do not control the refrigeration system of
the product.
The solar receiving area cannot be blocked during its usage; otherwise the temperature displaying
area will not display.
Temperature displaying area Solar receiving area
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