22
TROUBLESHOOTING
Problem
Possible reasons
Troubleshooting
When the unit is connected to power
mains, the fan does not rotate and
does not respond to any controls.
No power supply.
Make sure the power supply line
is connected correctly, otherwise
troubleshoot a connection error.
Internal connection fault.
Contact the Seller.
Low air flow.
The ventilation system is clogged.
Clean the ventilation system.
Increased noise, vibration.
The impeller is clogged.
Clean the impeller.
The fan is not secured well or is not
mounted properly.
Troubleshoot the installation error.
The ventilation system is clogged.
Clean the ventilation system.