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TECHNICAL MAINTENANCE
The fan maintenance periodicity is at least once per 6 months.
Maintenance steps:
• Disconnect the fan from power supply and make sure electricity has been turned off (Fig. 21).
• Remove the front panel, wipe the fan with a dry cloth or a brush (Fig. 22).
• Clean the front panel under running water (Fig. 24).
• Wipe the fan surfaces dry.
• Cover the fan with the front panel.
• Connect power supply to the fan (Fig. 24).
WARNING! Do not allow water or liquid come into contact with electric components!
TROUBLESHOOTING
Problem
When the unit is connected to power
mains, the fan does not rotate and
does not respond to any controls.
Low air flow.
Increased noise, vibration.
Possible reasons
No power supply.
Internal connection fault.
The ventilation system is clogged.
The impeller is clogged.
The fan is not secured well or is not
mounted properly.
The ventilation system is clogged.
13
Troubleshooting
Make sure the power supply line
is connected correctly, otherwise
troubleshoot the connection error.
Contact the Seller.
Clean the ventilation system.
Clean the impeller.
Troubleshoot the installation error.
Clean the ventilation system.
EN
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