P/N 240008111, Rev. G [06/18/10] 33
Controller Fault Conditions
Unit-mounted controller fault indicationsTable 4
Code Fault condition Description
E01
Room air sensor fault If the room air sensor is disconnected, dam-
aged or malfunctions the LCD display will
ash error code E01 to signify that a fault has
occurred.
Operation will continue with the control using
the last known value for the room air sensor.
E02
Condensate fault If the control senses a condensate fault condi-
tion, either through the optional condensate
pumps safety switch or the drain pan sensors,
the LCD display will ash error code E02.
e compressor will switch o for a minimum
of three minutes and until the fault condition
is corrected.
E03
ID coil sensor fault e indoor coil sensor monitors the tempera-
ture of the indoor coil.
If a freeze condition exists continuously for
three minutes, the LCD will display error code
E03 to signify that a fault has occurred.
e compressor will switch o for a minimum
of three minutes and until the fault condition
is corrected.
If the microprocessor detects a coil freeze con-
dition four times within a 24 hour period, the
FILTER CHECK indicator will appear.
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