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VT003F Quality Issues & Fixes

Vibration plate model VT003F has a reported defective rate of 1.5% during the first year of use. Quality issues mostly exposed within the first month of use. Very few claim cases after the first year.

Our warranty services are prompt, and no any out-of-pocket expense to customers. If the needed fix is an easy part replacement, you can order the part from our e-store.

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Blown Fuse

If machine is dead (no light), you may first try to replace the fuse. VT003F's fuse is a 5 Amp 20mmx2mm size tube. Please unplug the machine from the electricity supply before replacing the fuse. The fuse box is located next to the power switch at the back side of the control box. You can use a Philip screwdriver to unscrew the fuse cap, and replace the fuse. See the demo picture below.

Fuse blown issue can be complicated. It may be a sudden power surge or a defective control console circuit or electronic component.

VT003F blown fuse

Defective Control Console

Control console issues are usually fuse blown or malfunction due to defective circuits, defective electronic components or accidental current surge. The issues may appear as machine dead without light, machine turned-on to run on the highest speed with no control, or control signal mess-up.

Replacing control console is not difficult. The control console is connected to the motor using a 3-pin connector (white color). There is no wiring or soldering work involved to replace the control console. The connector is fixed on the bottom plate with a metal bracket. A cable tie binds the male part and female part of the connector together for additional connection security.

Replace VT003F Control Console


Below are the steps to replace the control console.

Step 1Detach the control console from its base: unscrew 4 screws at the bottom of the control console using a Philip screwdriver.
Step 2 Cut the cable tie that binds the U-shape metal bracket that hold the connector; then use a short screw driver to loss the bracket and push out the connector. Then unplug the connector and remove the defective control console.
Step 3Plug in the new control console and and push the connector into its bracket, and tighten the bracket. Usually there is no need to bind the control box with a cable tie.
Step 4Screw on the new control console on its base, and the repair job is done.

Motor Issue – 0.1% Defective Rate

VT motor

VT003F vibration plate is driven by a 80W DC motor. The motor defective rate has proved to be very low. Out of over 8000 units of VT003F sold by mid of 2021, only about half a dozen defective machines were the motor issue, less than 0.1% defective rate.

Over years, the carbon brushes of the DC motor will wear out. Depending on the rotation speed it runs, the DC motor is designed to run on an average lifespan of 5000 hours before the carbon brushes need to be replaced. For regular home use, the VT003F motor would last for over 15 years, no maintenance needed.

Remote Control Problems

Defective remote controls are not counted in our machine defective rate. We ship out replacement remote control via USPS Priority Service immediately after we receive a remote defective report.

We found in many cases, the problems with remote control were that users did not point the remote control to the control panel. The remote control uses infra-red light to transmit signal, just like TV remote. It needs to point to the signal receiving window on the control panel to work.

By design, some buttons are disabled in certain situation, for logic reasons. For instance, when the machine is already running, the two session time change buttons are disabled; when the machine is idle, the two frequency adjustment buttons are disabled; and when the machine is running on a program mode, all buttons except for the Stop button, are disabled.

We keep sufficient inventory of remote control for immediate shipping on request for any reason.

VT003F remote control replacement

Remote defective claim rate significantly reduce after we adopted a thick size remote (black color) in 2020.

Weak Design of Control Console Base Piece

There are some cases that the control console was broken off from the base. That is because of a design flaw of the control box base piece. The picture below shows the bottom view of a control box base piece. The four cylinder shape screw holders are a bit thin. They have enough strength to endure vibration in regular use. However, accidental impact, usually in transportation, can break these cylinders. This base piece can be easily replaced only using a screw driver.

VT003F Console bottom piece

Missing Accessories


There are situations that remote control or the pair of hand straps are omitted in the order package.

We always respond immediately upon receiving claim, and ship out the missing accessories via FedEx Express or USPS Priority service.

Clunk sound is NOT a Quality Problem

You will hear a clunk sound from the machine when you start the machine or switch the amplitude between Hi and Lo while the machine is running.

You will also hear the same clunk sound in P3 mode when the machine automatically switch the amplitude.

This is not a quality issue.

This clunk sound is produced because eccentric wheel strikes the postion block when motor starts or reverses its rotation direction. VT003F switches amplitude by reversing motor rotation direction to engage more or less eccentric wheel pairs. This strike does not do any hurt to the machine. It is not an problem. You are supposed to hear such a sound when switching the amplitude.

In P3 mode, the machine automatically switches the amplitude multiple times in a session as programmed. Therefore you will hear clunk sound each time when the amplitude is switched, and you know the amplitude is switched when you hear the sound.

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