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ErrBase

Hisense Airconditioner Error Codes

All Hisense airconditioner error codes with step-by-step troubleshooting, multimeter specs, and OEM part numbers.

3 error codes

CodeMeaning
E5E5 means the indoor control board can't talk to the outdoor unit. Either the communication signal on the S or 3 wire dropped out completely, or the outdoor inverter's overcurrent protection tripped. Either way, the two halves of your system aren't syncing anymore, so the whole thing shuts down as a safety measure.
highintermediate
NOT-COOLINGPower's on and the fan's spinning, but the refrigeration cycle either didn't start or it's running so inefficiently that you're basically just blowing room-temperature air around. The compressor's not engaging, or it's starting but can't maintain pressure.
highintermediate
NOT-COOLINGThe unit is powered on and the fan is operating, but the refrigeration cycle is not functioning correctly to remove heat from the room. This is typically an airflow or compressor start issue.
highintermediate