Disturbances and troubleshooting |
21
11.3
Examine interior air pipe surface for
contamination and corrosion on two or
more representative place
x
1
12
Air passages
12.1
Examine installed perforated metal plate,
wire mesh of filter for contamination
x
1
13
Wall grid
13.1
Examine for dirt and mounting
x
14
Silencer
14.1
Examine for dirt, damage and corrosion
x
1
12
Disturbances and troubleshooting
Note:
When error occur first read the table below and follow the instructions. If the error is still not fixed please
contact the customer service
Interruption
Potential cause
Repair
The air handling unit is not
working
no electricity supply
Connect the air handling unit with the
power supply
The connection cables are damaged
Disconnect the unit from the power
supply and contact the manufacturer
Fan running roughly/unsteady
Imbalance of the impeller
Rebalancing by spcialized company
Wrong direction of rotation of the
impeller
Consultation with the manufacturer
Deformation of the impeller
Consultation with the manufacturer.
Install a new impeller.
Air performance to low
Pressure drop in the unit to high
Check components for dirt
Cloged air passages
Motor does not turn
Mechanical blocking
Switch off power and remove the
mechanical blockage
Mains voltage faulty
Control the Mains supply, restore
power supply, apply control signal
Supply faulty
Switch off power, adjust supply, see
circuit diagram
Supply air flow to low
Filters are polluted
Switch off the air handling unit.
Disconnect the unit from the power
supply. Change the filter.
Mechanical barriers on the outdoor
air inlet or on the supply air inlet
Control the outdoor air inlet and the
supply air inlet. If necessary remove
barriers
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