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FAQ Answer

Q.

Why is my inside evaporator unit flashing an error code?


A.

Error codes are created to help the customer understand if there is a problem with the system.  Proper actions will help prevent the system from being damaged.  Following is a list of error codes for highwall systems.

Fault Code
Flash Time/Error Code
Analysis
 
 
 
HWC009-012
 
 
Power LED Flashing
4 Flashes every 3 seconds
Room sensor or outdoor sensor not connected
 
 
 
Sleep LED Flashing
Continuous Flash
Indoor sensor not connected
 
 
 
Cool LED Flashing
Continuous Flash +
1 Flash every 3 seconds
Compressor Overheat
Power LED Flashing
 
 
 
Cool LED Flashing
Continuous Flash +
3 Flashes every 3 seconds
Refrigerant Gas Leak
Power LED Flashing
 
 
 
HWC018-024
 
 
E1 Room Sensor
Flashing Fan
Sensor not connected
E2 Indoor Sensor
Flashing Sleep
Sensor not connected
E3 Outdoor Sensor
Flashing Dry
Sensor not connected
E4
Flashing Cool
Overload
E5
Flashing Cool + Dry
Low Refrigerant Charge
 
 
 
HWC030-036
 
 
Power LED
4 Flashes every 3 seconds
Room/Indoor/Outdoor sensor not connected
 
 
 
Cool LED
Continuous Flash +
1 Flash every 3 seconds
Overheat/Overload
Power LED
 
 
 
Cool LED
Continuous Flash +
 
 
3 Flashes every 3 seconds
Low Refrigerant Charge/Gas Leak

 


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