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-2-
When LED of unit
shows E1
-There might be a broken or short
circuit on ambient temperature
sensor.
-Please check if it is sensor's
problem. If not, contact
manufacturer for replacing
the PCB.
When LED of unit
shows E2
-There might be a broken or short
circuit on brass temperature
sensor (only applicable for
cool/heat unit).
-Please check if it is sensor's
problem. If not, contact
manufacturer for replacing
the PCB.