Troubleshooting; Storage And Transportation Rules - Vents TwinFresh Comfo RA-50 User Manual

18

TROUBLESHOOTING

Fault
The fan does not
start up during the
ventilator start-up.
Automatic switch
tripping following the
ventilator turning on.
Low air fl ow.
The ventilator
generates sound
signals.
High noise, vibration.

STORAGE AND TRANSPORTATION RULES

Store the ventilator in the manufacturer's original packing box in a dry ventilated premise at the temperatures from +5°C (5 °F) up to
+ 40°C (104°F).
Storage environment must not contain aggressive vapours and chemical mixtures provoking corrosion, insulation and sealing
deformation.
Use hoist machinery for handling and storage operations to prevent the ventilator damage in consequence of falling or excessive
oscillation. Fulfi l the handling requirements applicable for the applicable freight type.
Transportation with any vehicle type is allowed provided that the ventilator is protected against mechanical and weather damage.
Avoid any mechanical shocks and strokes during handling operations.
Possible faults and troubleshooting
Possible reasons
No power supply.
Motor is jammed, the impeller are clogged.
Overcurrent resulted from short circuit in the
electric circuit.
Low set fan speed.
The fi lter, the fan or the regenerator are dirty.
The operating time meter for fi lter replacement is
activated.
The impeller is soiled.
Loose screw connection of the ventilator casing or
the ventilation hood.
Fault handling
Make sure that the ventilator is properly connected
to the power mains and make any corrections, if
necessary.
Turn the ventilator off . Troubleshoot the motor jam
and the impeller clogging. Clean the blades. Restart
the ventilator.
Turn the ventilator off . Contact the service centre.
Set higher speed.
Clean or replace the fi lter, clean the fan and the
regenerator. For the regenerator and the fi lter
maintenance, refer to page 17.
For the regenerator and the fi lter maintenance, refer
to page 17.
Clean the impeller.
Tighten the screws of the ventilator or the outer
ventilation hood.