EXERCISES, LESSON 2
INSTRUCTIONS: Answer the following items by marking the response that BEST
completes the statement or BEST answers the question.
After you have completed all of these items, turn to "Solutions to Exercises" at the
end of the lesson and check your answers with the solutions.
You are following the safety precautions before replacing the transducer. Which
task do you perform to prevent accidental contact with the low voltage circuit
a. Ensure there is a tight connection between the probe and the bulkhead
b. Depress the battery pack circuit breaker to OFF.
Turn on the MAINS circuit breakers.
d. Shut off the main steam supply.
Situation: You are isolating the causes of malfunctions. Use this situation and the
troubleshooting guides that follow in Appendixes A and B to answer questions
2 through 6.
A code of 77 appears on the control panel digital indicator. You determined that
the cause of the problem is with the wire connections between the control board
and the display board. Which remedy do you recommend?
a. Recycle power.
b. Replace the display board.
Replace the control board.
d. Check the wiring between control and display board.