Possible Cause for Heat Pump Error A005 means the heating source defaults to elements due to compressor malfunction, possible ambient temperature is too high.
The following steps can help you check the issue.
Confirm fan is operational while the compressor is on. (In case the fan is not operational, check continuity from the middle (ground) terminal to either outside the terminal. If there is a 110V or higher reading, the fan should be running and will need to be replaced. If not, replace the control board (rare)).
Make sure that the filter screen is clean.
Inspect compressor and surrounding components for any obvious signs of a refrigerant leak (oily residue). If the compressor is not operational or there are signs of leakage, the unit may need to be replaced as we do not service sealed system parts.
If you are in Santa Clara County, Alameda County or San Mateo County, feel free to Contact Amor Plumbing on via web service request, call or SMS chat us at 408-649-3129 (please be sure to include your model and serial number information).
or Contact your local Authorized Rheem Service provider to schedule service, repairs, replacements or installation of a Rheem Hybrid Heat Pump.
If you are uncertain about the coverage of your hybrid warranty for your Rheem water heater, you can reach out to the Rheem Hybrid Technical Services Department at 800-995-0982.
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