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ENGLISH
1 1 . 3 Li s t o f f a u l t s
In the event of the appearance of a fault or alarm, a message "Maintenance required" appears in red on
the main screen. The type of alarm can then be consulted in the advanced menu, the fault is then clearly
identified on the screen. The list of fault messages is given below.
Note: The alarms are reported with a type C alarm class, and the reset is automatic as soon as the problem
is resolved (no manual acknowledgment is required).
Select advance menu
Screen menu :
Settings menu access
Advanced parameters
Single air flow unit
2012-11-12
System : Normal Fonct.
C:24.0C/R: 17.8C
Select alarm symbol to
display the text of the alarm
detected.
Advanced parameters
6. Pressostat
filter
27 August 14:33 Class:C
Alarm list can be checked
using up and down arrows.
To exit screen, press top
right icon.
Menu
21.4°C
2012-06-26 14:02
2500 m3 /h
Run mode : ON
Temperature setpoint
R e f e r e n c e
A l a r m t e x t
D e s c r i p t i o n
1
Fan fault AN
Fan pressure switch fault (Fresh Air)
2
Fan fault AE
Not used here
6
Casing filter
Filter pressure switch(s) indicates a fault
10
Fire alarm/defrost DX group
Fire alarm activated (external request activated) or DX group defrosting
in progress.
13
Supply control error
Setpoint not reached
23
Overheating Bat. Electrical
Safety thermostat of the electrical heater triggered
24
Risk of freezing
Low temperature of the cooling coil (<12 °C fixed value)
25
Low antifreeze T° (frost protection) Temperature of the water coil too low (<7°C)
27
Sensor error (external)
Malfunction of a connected sensor
29
Rotary heat exchange protection
Not used here
31
Control error AN
Fan fault (Fresh Air)
32
Control error AE
Not used here
41
Manual heating control
Heating output on manual control
42
Manual control exchange
Not used here
43
Manual cooling control
Cooling valve output on manual control
48
Internal battery low
Change the internal battery
49
Temp sensor error AN
Malfunction of the supply sensor
50
Temp sensor error AE
Malfunction of the extract sensor
51
Ambient 1 sensor error
Malfunction of the ambient 1 sensor
53
Temp sensor error AE
Not used here
55
Pressure sensor error AN
Malfunction of the pressure sensor
56
Pressure sensor error AE
Not used here
58
Temp antifreeze sensor error
Malfunction of the antifreeze sensor
