Gree Heat Pump: Force a defrost cycle from the remote
Force a defrost cycle from the remote on a Gree heat pump: A key sequence on the remote forces the unit into defrost; the unit finishes and returns to normal heating by itself. If a fault or protection stop is active, the sequence only works once that is cleared.
Applies to: Vireo GEN3 9-24k (3VIR..HP115/230V1A)
How to fix force a defrost cycle from the remote: step by step
- Turn the unit on in heating mode and set 16°C.
- Within 5 seconds press + - + - + - on the remote.
- The unit finishes the defrost and returns to normal heating by itself.
If the unit shows an error code, look it up: Gree Heat Pump codes
Models
3VIR09HP115V1A3VIR09HP230V1A3VIR12HP115V1A3VIR12HP230V1A3VIR18HP230V1A3VIR24HP230V1A
Source: Gree Vireo GEN3 9-24k (3VIR..HP115-230V1A) service GREE_VIREOGEN3_SERVICE_090921.pdf - section 6.2 (9) compulsory defrosting function; outdoor 6. Compulsory defrosting. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.