Air Conditioning Error Codes - Hardi ALPHA evo ALU-TWIN FORCE Instruction Book

5- Operation
• The air conditioning compressor is disengaged.
÷
NOTE! When [LO] or [HI] is activated, the automatic temperature regulation is deactivated and the AUTO indicator is
switched off.
Increase or decrease in ventilation speed
• Press the key fig.7 or fig.8 to adapt the ventilation speed. The speed indicators fig.4, fig.5 and fig.6 light up according
to the ventilation speed.
÷
NOTE! By pressing on the [AUTO] key, the ventilation speed returns to the initial speed
÷
NOTE! If the ventilation is completely shut down, the air conditioning control unit is deactivated. It can be restarted
by pressing the [AUTO] key.
Outdoor temperature display
• Press the key fig.11, to display the outdoor temperature. When it is close to 0°C the corresponding indicator lights up
to show a risk of black ice.
Temperature unit selection °C/°F
Press the key [°C/°F] to select the required display mode. The indicator shows that the temperature is displayed in Fahrenheit.
÷
NOTE! When the temperature rises above 37°C (99 °F), the display indicates [HI].

Air conditioning error codes

In the event of operating anomalies in the air conditioning, the control unit will display the code [E] followed by the error
code.
E1 outdoor air temperature sensor cut off
E2 outdoor air temperature sensor short circuited
E3 interior air temperature sensor cut off
E4 interior air temperature sensor short circuited
E5 mixed air temperature sensor cut off
E6 mixed air temperature sensor short circuited
When temperature regulation in automatic mode is no longer possible, the temperature inside the cabin is no longer
regulated and the ventilation is locked at medium speed.
As soon as the fault disappears, the control unit starts to function again after it is reset to zero with the contact key.
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