Original operating instructions
AEROMAT VT WRG 1100
10.2018
13
9. Membrane key and LED display
9.1 Operating status
Membrane key/LED
Operating status
2 LEDs flash red
Membrane key flashes
blue
Calibration of the sensors
Blower level 0 (device is switched off)
1 LED lights up red
Blower level 1
2 LEDs light up red
Blower level 2
2 LEDs flash red
Blower level 3
1)
(power level)
Membrane key lights up
blue
Automatic mode: Blower level 0
2)
(device is ready for operation)
1 LED lights up red
Membrane key lights up
blue
Automatic mode: blower level 1
2 LEDs light up red
Membrane key lights up
blue
Automatic mode: blower level 2
1)
The power level can only be controlled manually and is not available in automatic mode.
2)
In automatic mode, the fans are not switched off, but continue to run at a minimum level.
9.2 Malfunctions
Malfunctions are displayed in addition to the current operating status.
Membrane key/LED
Malfunction
Solution
1 LED flashes red
Frost protection function
(Outside temperature below − 15
°C):
• Supply air fan is switched off
• Exhaust air fan continues to run
As soon as the outside temperature
increases above -15 °C again, the device
switches to the last level to be used.
2 LEDs flash red
alternately
Air quality sensor or sensor is
defective.
Contact your specialist company.
Membrane key flashes
blue
Filter soiled
Replace the filter (see page 20)
Please note: Filters must be replaced not
cleaned.
