5
CV082021-1
PROBLEM
POSSIBLE CAUSE
CHECK
POSSIBLE SOLUTION
Motor in very high
consumption
Operating point different from that
expected;
Excess flow;
Create a loss of load in the installation;
Fan speed;
Reducir la velocidad de rotación;
Crear una pérdida de carga en la
instalación;
Excess air flow
Air distribution system, pressure drop
in the oversized installation;
Check the flow and the pressure drop;
Reduce rotation speed;
Fan speed;
Create a loss of load in the insta-
llation;
Insufficient air
flow rate
Air distribution system, underestima-
te installation pressure drop;
Check flow and pressure drop
Fan speed;
Filtration filter;
Increase the speed of rotation (ac-
cording to available motor power
and maximum fan speed);
Replace filter;
Excessive noise
Flow too high, speed too high;
Load loss too high;
Check the flow and the loss of charge;
Decrease flow rate;
Avoid areas of unstable operation
of the fan;
Damaged bearings, damaged metal
components;
Unbalanced moving components;
Bearings, condition of the components;
Strange vibrations;
Replace bearings, damaged com-
ponents;
Replace fan;
Drive does not
work
Power failure;
Power supply;
Circuit breaker;
Restore power supply;
Resetting circuit breaker;
Low efficiency
of the recovery
Dirt in the recovery element;
Cleaner state of the stove;
Clean recuperator;
Low flow rate
Filter embedding
Replace filter
TROUBLESHOOTING
Note: Please note that heat recovery units are integrated into a general system. For this reason, failures may be caused by other system
components, improper interaction between the drive and the system, or environmental conditions other than those specified for the drive
design.
Warranty exclusions
• Natural wear parts.
• Parts that are subject to deterioration or breakage, eg belts, filters, fuses, etc.
• Malfunctions caused by misuse, abuse, neglect, negligence, lightning, flooding, humidity, falls, collisions, accidents and transportation.
• Malfunctions caused by the use of the equipment for unintended purposes.
• Malfunctions occurring as a result of manipulation, modification or repair of the equipment by unauthorized persons or technical services
or by the application of improper parts or accessories.
• Malfunctions caused by improper or illegal installation (voltage, water pressure or other), power failures, disregard for instructions.
• Aesthetic wear or deterioration caused by use, changes in color, oxidation or corrosion of the apparatus or its components.
• Any repairs do not have the effect of prolonging the warranty, nor does it give rise to any indemnification.
The guarantee shall not be valid if:
• Make sure that the equipment nameplate has been tampered with or tampered with.
• False data is provided.
• The equipment is not accompanied by the purchase document.
• The equipment has been tampered with, modified or repaired by unauthorized persons or technical services.
• Verification / maintenance operations are not carried out or are carried out by unauthorized technicians.
