Alarm Overview - Swegon Free V90 Installation Manual

Alarmlist
No action may be carried out before the unit stopped, and the power is off!
Any error that is indicated to be checked and fixed!
LEDs for alarm and Operation flashes in different ways depending on which alarm has been triggered.
Numeric display indicates the alarm code.
The alarm is reset by pressing and holding the Comfort panel fan control + and - buttons for about 5 seconds.
Filter alarm is reset by pressing and holding the Comfort panel temperature control + and - buttons for about 5 seconds.
Alarm Content
nr.
1 Emergency stop triggred
2 Internal fire alarm
3 Anti freeze protection (Out < +7°C)
3 Anti freeze protection (Out > +7°C)
4 Rotation guard triggred (Out <+5°C)
4 Rotation guard triggred (Out >+5°C)
5 Anti freeze protection guard defective
6 Temperature sensor defective
7 Eletrical heater triggred
8 Exhaust temperature under setpoint
8 Exhaust temperature under setpoint
9 Supply temperature under setpoint
9 Supply air temperature deviates from
the setpoint
10 Supply airflow below setpoint
11 Exhaust airflow below setpoint
12 Supply/exhaust filter clogged
12 Supply/exhaust filter clogged
12 Supply/exhaust filter clogged
13 External stop
26
Indication on The service technician:
led See the service manual how to fix the alarms.
Alarm: Shines All functions are stopped without delay. Check the electric bat-
Drift: Off tery when no cooling is done. Check reason to stop!
Alarm: Shines Check the unit's internal components. The alarm stops the unit
Drift: Off in case of fire in the property, not to spread the smoke / fire.
Alarm: Shines Check water temp to the coil and/or heat recovery
Drift: Off
Alarm: Flashes Check water temp to the coil and/or heat recovery
Drift: Shines
Alarm: Shines Check that the rotor spins easily, drive belt, rotor guard
Drift: Off indication and cabling.
Alarm: Flashes Check that the rotor spins easily, drive belt, rotor guard
Drift: Shines indication and cabling
Alarm: Shines Check connection or replace the sensor.
Drift: Off
Alarm: Shines Check connection or replace the sensor.
Drift: Off
Alarm: Shines Thermal protection is activated, investigate the reason!
Drift: Off
Alarm: Shines Check exhaust temperature, minimum +15°C and/or airflow.
Drift: Off Check DIP-switch 4 so correct Fan (1/2) are chosen for supply
Alarm: Flashes Check exhaust temperature, minimum +15°C and/or airflow.
Drift: Shines Check DIP-switch 4 so correct Fan (1/2) are chosen for supply
Alarm: Shines Check heater and recovery funktion
Drift: Off
Alarm: Flashes Check the recovery function and and coils.
Drift: Shines
Alarm: Shines Check the supply fan operation.
Drift: Off Check the supply air duct system.
Alarm: Shines Check the exhaust fan function.
Drift: Off Check the exhaust air duct system.
Alarm: Shines Unit stops when filter are clogged
Drift: Off
Alarm: Flashes Filter Alarms - the unit stops in a month if no filter is changed.
Drift: Shines
Alarm: Off Indicates that the filter should be changed.
Drift: Shines
Alarm: Shines External stop function activated
Drift: Off
Manufacturer reserves the right to alter specifications