Vernier Software and Technology
Vernier Software & Technology

Vernier Circuit Board 2 Safety Recall

Complete this form to initiate your Vernier Circuit Board 2 safety recall.

About the Recall

This is an important safety recall. We recently learned that two of the components on the Vernier Circuit Board 2 (order code VCB2) can pose a safety hazard. Our records show that you purchased one or more of these from us between August 2015 and April 2018.

The affected parts on the board are the switches labeled SW4 and SW1. The issue is that it is possible to place the switch between two positions. When this happens, the power can short circuit and overheat the switch to dangerous temperatures.

What do you need to do?

  1. Stop using the Vernier Circuit Board 2 immediately.
  2. Remove all batteries from the battery holders immediately.
  3. Arrange for a retrofit of the circuit board to eliminate this problem by providing your information in our recall form below

If batteries are in the battery holders and the switch is between two positions, the batteries can short-circuit and overheat to dangerous levels.

The affected products shipped prior to April 11, 2018 with the mark VCB2 REV 1 PPRL 2015 and VCB2 REV 1A PPRL 2015 below the pins 35, 30, and 31.

Number of Vernier Circuit Board 2 Units

Note: When sending in your unit(s) for update, send the board only. Do not send the accessories (core bar, light bulbs, alligator clips).

Shipping Address

To what address should updated units be returned?

  • For customers outside the U.S, please include your country in the "Additional Information" above. You will be contacted to make the appropriate arrangements to put your units back into good working order.

Vernier Use Only


You will receive a prepaid UPS label to return the unit(s) for a free retrofit. Please keep accessories, core bar, and light bulbs. Due to the high volume of units we've received, your units will be returned approximately 6-8 weeks from the date we receive them. We apologize for any inconvenience this may cause.

This recall was conducted, voluntarily by the company, under the Consumer Product Safety Commission’s Fast Track Recall process. Fast Track Recalls are initiated by firms who commit to work with CPSC to quickly announce the recall and remedy to protect consumers.

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