How to Troubleshoot a Pelton & Crane Dental Chair

Make sure the power cord is in the outlet. Test the power coming from the circuit breaker by using a voltmeter. Touch the tip of the voltmeter directly onto the wires of the circuit breaker. If the needle moves vertically then the outlet has power. Depending on the model of chair, you need 115V or 220V.

Test the connections of the chair power cord and the gray cord on the backside of the chair. The gray plug is located at the rear of the lift. Push the plugs together tightly.

Examine the 4-connector plug on the dental chair. Push the plug into the black coil cord firmly. The black coil cord is located at the rear of lift.