EVITP EVITP Maintenance and Troubleshooting 2

Question 1

What error condition typically indicates a communication failure between the EVSE and the vehicle?

Accepted Answer

A Control Pilot (CP) signal fault

Answer

A Control Pilot (CP) signal fault indicates a communication error in the pilot circuit between the EVSE and electric vehicle.

Question 2

Which type of meter should be used to measure insulation resistance in EVSE wiring?

Accepted Answer

Megohmmeter

Answer

A megohmmeter (megger) applies high voltage to measure insulation resistance and detect wiring degradation in EVSE circuits.

Question 3

What does a consistently tripping GFCI breaker in an EVSE installation most likely indicate?

Accepted Answer

A ground fault or leakage current in the circuit

Answer

A repeatedly tripping GFCI indicates the presence of ground fault current or leakage current exceeding the safe threshold.

Question 4

What is the appropriate response when an EVSE displays an over-temperature fault?

Accepted Answer

Shut down charging and investigate ventilation

Answer

An over-temperature fault requires immediate charging shutdown and investigation of cooling and ventilation to prevent equipment damage or fire.

Question 5

Which maintenance task helps prevent connector degradation at EVSE installations?

Accepted Answer

Cleaning contacts and inspecting for wear regularly

Answer

Regular cleaning of electrical contacts and visual inspection for wear prevents connection degradation and ensures reliable charging performance.

(EVITP) Electric Vehicle Infrastructure Program Practice Test