Vents AOW 25, Руководство пользователя

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12
AOW
www.ventilation-system.com
TROUBLESHOOTING
DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE
ANY MAINTENANCE OPERATIONS!
TECHNICAL MAINTENANCE
Maintenance means regular preventive measures during operations. The aluminium ribs must be cleaned of dirt and dust once a year
with a wet cloth or a vacuum cleaner. If the internal environment is clean enough, the cleaning may be performed more seldom, as
required. Disconnect the unit from power mains prior to any maintenance operations.
Possible faults and troubleshooting
Problem Possible reasons Troubleshooting
When switching on the unit the fan does
not start.
No power supply.
Make sure the power supply line
is connected correctly, otherwise
troubleshoot a connection error.
The motor is jammed, the impeller blades
are soiled.
Turn the unit off. Troubleshoot the motor
jam and the impeller clogging. Clean the
blades. Restart the unit.
Circuit breaker tripping during the unit
start-up.
High current consumption due to short
circuit in power line.
Turn the unit off. Contact the Seller.
Low air flow.
Low set fan speed. Set higher speed.
Control system malfunction.
Turn the unit off.
Contact the Seller.
Heater malfunction. Control system malfunction.
Turn the unit off.
Contact the Seller.
Noise, vibration.
The impeller is soiled. Clean the impeller.
The fan or casing screw connection is
loose.
Tighten the screw connection of the fans
or the casing against stop.