14
Micra 60
Micra 60
Problem
Possible reasons
Fault handling
The fan does not start up.
No power supply.
•
Make sure that the unit is properly connected to the power mains
and make any corrections, if required.
The motor is jammed, the impeller blades are
clogged.
• Turn the unit o
ff
. Troubleshoot the motor jam.
• Clean the blades.
• Restart the unit.
Automatic switch tripping.
Overcurrent resulted from short circuit in the
electric circuit.
• Turn the unit o
ff
.
• Contact the service centre.
Low supply air temperature.
The extract
fi
lter is clogged.
Clean or replace the extract
fi
lter.
The heat exchanger is frozen.
•
Check the heat exchanger for icing.
•
Turn the unit o
ff
and let ice melt.
Low air
fl
ow.
Low set fan speed.
Set higher speed.
The
fi
lters, the fans or the heat exchanger is
(are) soiled.
• Clean or replace the
fi
lters.
• Clean the fan and the heat exchanger.
High noise, vibration.
The impeller is soiled.
Clean the impeller(s).
Loose screw connection.
Tighten the screws.
No anti-vibration connectors are installed.
Install the anti-vibration connectors (not included into the delivery
set).
FAULTS AND FAULT HANDLING
FAULT HANDLING
STORAGE AND TRANSPORTATION RULES
Store the unit 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 unit damage in consequence of falling or excessive
oscillation. Ful
fi
l the handling requirements applicable for the applicable freight type.
Transportation with any vehicle type is allowed provided that the unit is protected against mechanical and weather damage.
Avoid any mechanical shocks and strokes during handling operations.
