Haier YR-E20 - ECO Parameters and Error Checking

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Error Code Inquiry
1. If there is error, error icon will be displayed and error
code will be displayed at the temperature displaying area.
ECO Parameter Setting
1. Unit on+cooling+30°C, keep pressing fan+ up keys for 5
seconds, ECO parameter is displayed on top-left corner,
and the setting icon statically displays 23°C is the default
data in cooling mode. This is to say, the target cooling
temperature is from 23°C to 30°C. You can change ECO
data by up/down key, and press function key to conrm. It
is available under cooling and dry mode.
2. Unit on+heating+16°C, keep pressing fan+ down keys for
5 seconds, ECO parameter is displayed on top-left corner,
and the setting icon statically displays 26°C is the default
data in heating mode. This is to say, the target heating
temperature is from 16°Cto 26°C. You can change this ECO
data by up/down key, and press function key to conrm. It
is available under heating mode.
3. The target temperature is 16°C when entering the forced
cooling even if you set ECO mode. The unit shift to ECO
mode after it exits the forced cooling.