Technical Maintenance; Troubleshooting - Vents Quietline User Manual

EN

TECHNICAL MAINTENANCE

Disconnect the fan from power mains prior to any maintenance operations and take measures to prevent unintentional power-
up until maintenance is complete. The fan maintenance periodicity is at least once per 6 months, depending on the operating
conditions. The technical maintenance includes cleaning the surfaces of the fan from dust, dirt, and also in checking the reliability
of electrical connections (Fig. 18-21).
Follow the national safety regulations when carrying out maintenance.
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.
12
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.