73
EN
Display operating errors or system messages:
These units envisage signals for various alarms, operating errors or system messages using a code shown on the wired panel
display (as well as on the indoor unit display for units where this is envisaged); alarm codes and related causes are listed below.
WARNING: reminder: in the event of an alarm, the unit must be switched off and the technical assistance service con-
tacted for any kind of intervention on the unit.
Current alarm code
(if there are several simultaneous alarms,
the codes will be displayed on rota on)
Code
Type
signal
Description
Outdoor unit Outdoor unit error
Outdoor unit High pressure alarm
Outdoor unit Low temperature alarm (discharge)
Outdoor unit Low pressure alarm
Outdoor unit Excessive temperature on compressor discharge
Outdoor unit Temperature alarm on compressor discharge 1
Outdoor unit Temperature alarm on compressor discharge 2
Outdoor unit Temperature alarm on compressor discharge 3
Outdoor unit Temperature alarm on compressor discharge 4
Outdoor unit Temperature alarm on compressor discharge 5
Outdoor unit Temperature alarm on compressor discharge 6
Outdoor unit Outdoor unit electronic card malfunction
Outdoor unit High pressure sensor alarm
Outdoor unit Low pressure sensor alarm
Outdoor unit Temperature sensor error on compressor discharge 1
Outdoor unit Temperature sensor error on compressor discharge 2
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