Vacuum cleaner does not start
- Motor defective (remove and check motor instructions).
- Cable or contact in cable reel defective (replace cable reel).
- Wiring between cable reel and motor defective (check for loose connectors or broken strands when disassembling)
- Switch on button does not operate switch (straighten plastic parts, replace if necessary)
- Switch defective (replace switch)
Fuse blows, even when the switch is in OFF position
- Short circuit in cable or cable reel (replace cable reel)
Fuse blows when the switch is on
- Short circuit in motor (replace motor)
- Rotor blocked and motor draws overcurrent (remove the motor, try to clear the blockage, and test motor).
- Circuit is not rated for inrush current (use the higher fused circuit, 10 amp fuses will blow even on some vacuum cleaner models without a defect, use inrush current limiter).
- Short circuit in the connecting strands between switch and motor (replace strands).
Motor loud, little suction power
- Individual windings failed (replace motor)
Smell of burning or electrical fire
- Strong collector fire (replace motor).
- Combustible dirt deposited in motor (check motor)
Smells musty
- Post engine filter is torn (replace filter).
- Post engine filter completely clogged (replace or clean filter)
- Dirt or mold throughout the unit (disassemble and clean).
Low suction power, sometimes accompanied by whistling noises
- Leakage
Low suction power
- Post-motor filter clogged (replace or clean filter).
- Large foreign body in the supply line (remove)
- Safety valve jammed (unjam it)
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