Many users have reported issues with VONCI blenders and slicers, mainly that the machine shows no response and fails to start when the switch is pressed. Most assume the motor has burned out or the unit is completely broken. In reality, this is common with electrical appliances left unused for long periods. Below is a detailed analysis and troubleshooting guide.

Why Do Blenders Break Down Easier When Not in Use?

Electrical appliances, especially small motor-driven devices, are highly vulnerable to prolonged storage. Without regular operation, internal heat does not dissipate moisture. Metal parts oxidize and rust, lubricants dry and harden, and wiring or switches develop poor connections due to aging and dampness. All these issues lead to “storage failure,” where the appliance shows no power or response when activated.

5 Most Common Reasons VONCI Blenders Fail to Start

1. Oxidized or Damp Motor Brushes Causing Poor Contact
Blenders rely on carbon brushes to conduct power to the motor. After long disuse, the brushes become oxidized, rusted, or dusty, blocking electrical current. The unit will show no response even when powered on. This is the most frequent issue with idle blenders.

2. Seized Internal Bearings Due to Dry Lubrication
Bearings require lubrication to run smoothly. During long storage, lubricant hardens, dries, or dissipates, causing bearings to seize. The motor cannot turn the locked shaft, resulting in no response. In severe cases, a faint hum may be heard but the blades do not rotate. (This issue is rare.)

3. Failed or Aging Starting Capacitor
The starting capacitor acts as the “ignition” for the motor. Prolonged disuse causes natural degradation and reduced capacity, leaving the motor unable to start. Symptoms include no power, no movement, and no unusual noise, as if the unit is completely unplugged.

4. Poor Connection from Aging Switch or Power Cord
Extended storage causes oxidation inside the switch and loose, damp power cord connections. Even with a working outlet, electricity cannot reach the motor. The appliance shows no lights or sound, identical to a unit with no power.

5. Moisture Buildup Activating Safety Protection
High humidity damages motor coils and circuit boards. Many VONCI blenders feature overload and moisture protection, which cuts power automatically to prevent short circuits and burnout. This results in sudden failure to start or power on. (This issue is common.)

How to Resolve a Faulty Blender?

If your VONCI appliance malfunctions, please contact our after-sales support immediately by email or phone. Be sure to provide your warranty information, product model, and detailed symptoms so we can assist you efficiently.

Essential Daily Maintenance

• Store the unit in a dry, well-ventilated area away from damp sinks.

• Run the appliance empty for 10–20 seconds every 1–2 weeks to keep internal parts active and reduce moisture.

• Dry the unit thoroughly after each use to prevent rust and water damage.

Note: Most failures occur due to long-term storage combined with high humidity, which causes oxidation or poor connections on the internal circuit board.