Issue
When switching
on the unit, its fan
does not start.
After powering
on, circuit breaker
triggers stop.
Poor air flow
Possible causes
Power supply.
Check that the unit is correctly connected
to the mains, and make any adjustments
necessary.
Turn off the unit. Solving the engine block
and fan clogging. Clean the blades. Restart
the unit.
Switch off the unit. Contact customer
service.
Set to higher speed.
Clean or replace the filter, clean the fan
and regenerator. For regenerator and filter
maintenance, see page 18.
The motor is blocked, the impeller is
clogged.
Excess voltage from electrical short-circuit.
Speed set to "slow".
Dirty filter, fan or exchanger.
Fault management
TROUBLESHOOTING
Read the user's manual carefully before using and installing the single-chamber reversible-flow
ventilation unit with energy recovery, referred to below as "ventilation unit" or "unit".
The installation and operation of this unit must be carried out in accordance with the user's manual,
and the provisions of applicable local and national laws and applicable technical and electrical
standards. The warnings in the user manual must be considered carefully as they contain information
that is vital for personal safety.
Failure to follow the safety instructions can cause injury or damage to the ventilation unit.
Read the manual carefully and keep it for as long as you use the ventilation unit.
When transferring the command of the unit, the user manual must be handed over to the receiving
user. Symbols used in the manual:
SAFETY REQUIREMENTS
3