E4
HP Error
Error Code E4: CRITICAL
The heat pump is reporting an error. Refer to the heat pump’s remote display for the specific error codes. Contact your HVAC professional for assistance.
Solution:
The heat pump is currently reporting an error. Refer to the heat pump manufacturer’s documentation for instructions on checking and troubleshooting errors. A link to the Install and Operation Manual can be found as a QR code on the side of the heat pump.
Contact an HVAC professional or Warmboard technical support for further assistance.
Go back to support page.