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Troubleshooting
Troubleshooting
Errors are indicated by the LEDs flashing in different ways. Proceed as follows
if this happens:
Use the table below to check which error it is.
Try to delete the error in the 'Delete errors' menu item (see page 17
regarding this matter).
Switch off the ventilation system if the error that occurred cannot be deleted.
Contact your specialist dealer.
LED1
LED2
LED3
Red
Off
Off
Off
Red
Off
Red
Red
Off
Off
Off
Red
Red
Off
Red
Off
Red
Red
Off
Red
Off
Red
Red
Off
Red
Red
Red
24
LED4
LED5
LED6
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Red
Off
Off
Red
Off
Off
Red
Off
Off
Error
Brief
Source of the
code
description
error
1
_EVENT_
Temperature
ERROR_
sensor 1
TEMP_1
(Exhaust air
outside)
2
_EVENT_
Temperature
ERROR_
sensor 2
TEMP_2
(Supply air
inside)
3
_EVENT_
Temperature
ERROR_
sensor 3
TEMP_3
(Supply air
outside)
4
_EVENT_
Temperature
ERROR_
sensor 4
TEMP_4
(Exhaust air
inside)
5
_EVENT_
Humidity
ERROR_
sensor 1
HUMIDITY1
(Supply air
outside)
6
_EVENT_
Humidity
ERROR_
sensor 2
HUMIDITY2
(Exhaust air
inside)
10
_EVENT_
Fan 1
ERROR_
SPEED_
FAN1
11
_EVENT_
Fan 2
ERROR_
SPEED_
FAN2
_EVENT_
15
Supply voltage
ERROR_
SUPPLY-
VOLT
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