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The following table shows the mode to proceed to detect and resolve any incidents shown:
Alarm
number
Alarm text Description Type
1
Run Error Supply Air Fan Malfunction of supply air fan
A
2
Run Error Extract Air Fan Malfunction of extract air fan
A
6
Change ODA Filter Outdoor Air Filter needs replacement
C
11
Remote off active Remote On/Off active
C
23
Electric heating is overheated Electric Heater Thermal protectors activated
A
24
Frost risk Frost protection function is overriding the control of
the water heater output
C
25
Water temp too low, system off Water temperature below frost limit value (<7ºC)
C
27
Sensor error outdoor temp. Malfunction of outdoor air temperature sensor
A
28
Exchanger frost risk Exchanger deicing activated
C
41
Manual heater control The electric heater is in manual mode
C
42
Manual heater control The resistance is in manual mode
C
48
Internal battery error The electric heater is in manual mode
A
49
Sensor error Supply Air temp Malfunction of supply air temperature sensor
A
50
Sensor error Extract Air temp Malfunction of extraction air temperature sensor
A
55
Sensor error SAF pressure Malfunction of supply air pressure sensor
A
56
Sensor error EAF pressure Malfunction of exhaust air pressure sensor
A
57
Sensor error Exhaust air temp Malfunction of exhaust air temperature sensor
A
58
Sensor error Frost Protection temp Malfunction of water temperature sensor
A
90
Change ETA Filter Extraction Air Filter needs replacement
C
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