Cen-Tech Seven Function Digital Multimeter Troubleshooting

Though button is being slid into "on" position, the device will not turn on.

The battery may need to be charged or replaced. See Battery Replacement Guide.

The switch needs to be cleaned. If the switch will still not move after being cleaned, the switch may need to be replaced. See 'On'/'Off' Replacement Guide.

The motherboard is no longer functioning and needs to be replaced. See Motherboard Replacement Guide.

The device is on, but the screen is not showing any readings.

The screen needs to be replaced. See Screen Replacement Guide.

The lead cords are not picking up measurements and need to be replaced. Purchase new wires.

The dial needs to cleaned and un-stuck. If this does not help, the dial needs to be replaced. See Dial Replacement Guide.

Alternatively, the ball bearings under the dial may need to be replaced. See Ball Bearings Replacement Guide.

The device needs to be used to measure in a different mode, but the dial is unable to turn.

The dial needs to cleaned and un-stuck. See Dial Replacement Guide.

Alternatively, the ball bearings under the dial may need to be replaced. See Ball Bearings Replacement Guide.