Koldfront WAC8001W - Error Codes and Sensor Malfunctions

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7.2 Error Codes and Sensor Malfunctions
 If display indicates an AS error, use the mode button to select "Fan" and LO or HI will be
displayed to indicate the underlying condition. See section 7.3 for additional information.
Display
Error
Solution
AS
Room temperature sensor error.*
1) Check sensor connection to main PCB and
secure any detached or loose connections.
2) Check sensor wire for damage and repair if
possible.
3) Test sensor (see table 7.3) Replace sensor if
defective.
LO
Room sensor is an open circuit.*
HI
Room sensor is a short circuit.*
HS
Electronic heating sensor error.
ES or ●
Defrost sensor is open or short
circuit.