Error Codes

A list of error codes and solutions

P19 - AC compressor current protection
Possible Causes: Poor heat exchange High Pressure blockage Drive board damaged Compressor Damaged Control board damaged Troubleshooting In heat...
Thu, 3 Aug, 2023 at 8:34 AM
P27 - High cooling coil temperature protection
When the air side heat exchanger temperature is higher than 63C for 10 seconds the system will display and the heat pump will stop running until the tempera...
Thu, 3 Aug, 2023 at 8:49 AM
PC - Ambient Temperature Error
The PC Error is thrown when the ambient temperature is too high, or too low for the unit to operate.  Low Ambient Protection (in cooling mode): The low ...
Mon, 6 Feb, 2023 at 1:06 PM
R02 - Compressor Abnormal Start
IMPORTANT: Please throw the breaker so there is NO POWER leading to the heat pump. Using a DMM, check for continuity between the three compressor windings ...
Mon, 11 Dec, 2023 at 9:55 AM
R10 - AC high/low voltage protection
Possible causes Power supply AC input voltage is not within normal range (140v - 280v) Module drive board bus voltage not within normal range (290v - ...
Thu, 3 Aug, 2023 at 8:27 AM
R11 - DC-link high/low voltage protection
The DC voltage within the unit is too high or too low.  Check the incoming voltage for 240v Remove the top from the heat pump Check the status of the...
Thu, 3 Aug, 2023 at 8:18 AM