Teral VFC 408, Инструкция по эксплуатации

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Table - 1 Fault States of Ring Blow and Countermeasures
States of Fault Causes Countermeasures
Switch-contact fault Repair switch-contact.
Fuse blown Replace it.
One phase of power supply
connection wires disconnected. Replace it.
One phase of stator coils
disconnected. Request factory to repair it.
Whining sound
Stator and rotor come into contact
due to bearing fault. Replace bearing.
Foreign material involved in blades. Remove it.
Does not
rotate
Power failure Consult with utility company.
2 phases of power supply connection
wires disconnected. Replace them.
2 phases of stator coils disconnected. Request factory to repair them.
No sound
Switch fault Replace or replace it.
Insufficient fuse capacity Replace it with lager capacity.
Fuse blown
Short-circuit in circuit Repair or replace it.
Power supply voltage fell Consult with utility company.
Single phase operation Request factory to repair it.
Motor overheated
Impeller rubbing Adjust wheel.
1 phase short circuit in stator coils. Request factory to repair it.
Whining sound
Uneven space between stator and
rotor. Request factory to repair it.
Blade wheel rubbing Adjust it.
Rotates
Blade damaged due to foreign
material. Request factory to repair it.
Abnormal noise
Bearing fault Replace it.
Leakage in piping. Fasten tightly.
Piping blocked Ventilate sufficiently.
Reverse rotation direction Correct connection (2 out of 3
wires).
Motor rotates but
fan works
improperly.
Closure equipment fault Replace it.
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