Cabin; Diagnostic - Hardi ALPHA EVO EcoDrive 5100 Instruction Book

Cabin

Diagnostic

Diagnostic mode
The ATC will be provided with a diagnostic procedure in order to perform some checks on the control led devices.
The ATC goes on diagnostic mode by pressing simultaneously the
the blower speed knob in «OFF» position and temperature knob on «LO» position
On the display appear the software version (se quence of four data) for about 10 seconds)
Subse quently is visualized the mixed air temperature value.
The initial configuration is the following:
• AC blower speed off
• Water valve position fully close
• AC compressor off
• Flap in air fresh position
• Auxiliar y fan off
In diagnostic mode the «AUTO» symbol is flashing and the hour meter is not update
To exit diagnostic mode, it is necessary to switch off the ATC
When the one of these sensor s:
• Outside air temperature sensor
• Mixed air temperature sensor
• Inside air temperature ventilated sensor
• anti-icing temperature sensor
are wrong (open circuited or short circuite d), on the display appears an error code (E1 to E8)
Temperature sensor
Outside temperature sensor
Inside air temperature
Mixed air temperature
Anti-ice temperature
M ixed air temperature sensor control
Normally is visualized the mixed air temperature value
The symbol is off
Outside tem pe rature sensor c ontrol
Press the button on the display appear the value of the outside temperature for 5 seconds
The symbol is lit when the outside temperature is visualized
Anomalies
Not connected or opened
Short-circuited
Not connected or opened
Short-circuited
Not connected or opened
Short-circuit
Not connected or opened
Short-circuit
et buttons (during power on of the ATC) with
Error Code
E1
E2
E3
E4
E5
E6
E7
E8
7 - Repair
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