Troubleshooting - Novovent Domestic Serie Manual De Instrucciones

Routine maintenance schedule
7. Examine the clearance between
the fan impeller blade tips and the
fan duct. Check the angle, and the
security of the impeller blades.
Failure searching and problem solving schedule
Founded failure
Fans are not running
Fans are running wrongly
The consumption is
higher than the motor
plate
Every 6 Every 12
months months
Probable cause
• Power supply is switched off.
• No signal from control panel.
• Wrong or loose electrical
connections.
• Motors on thermal protection
mode.
• The phase connection is not
correct.
• The fan run wrongly.
• The drop pressure in the
installation is higher than
expected.
13
Comments
* Ensure that the gap between the
impeller blade ends and the fan duct
is even and adequate. In doubt about
the gap contact Novovent for advice.
Ensure that the impeller blade is secure
The blade angle must not be changed
before contacting Novovent for advice.

troubleshooting

Possible solution
• Switch on the power supply.
• Push the correct buttons of the
control panel.
• Restore the right connections.
• Check motor current.
• Restore the right phase
connection.
• Restore the right phase
connection.
• Contact with the Technical
department.
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