A-6 Troubleshooting

Question 1

What is troubleshooting?

Answer 1

A systematic approach through the network to isolate the problem.

Question 2

Why should you try to find the original reason for a fault?

Answer 2

With out resolving why the issue occurred in the first place the problem will keep occurring. (So you don’t have to go back.)

Question 3

What should a successful troubleshooter have a good understanding of?

Answer 3

How the system is laid out and operates.

Question 4

Three useful steps to follow to help troubleshoot more effectively.

Answer 4

Ask for more information.
Understand what the issue is.
What tools do I need or where do I need to be to test the theory.

Question 5

Three questions you should ask to better understand the problem.

Answer 5

How does it normally work?
What is acting differently?
What would need to change to cause these results?

Question 6

Four questions to ask your self when evaluating a problem?

Answer 6

What testing tools do I need?
where will allow for testing?
Does the circuit need to be on or off?
What should the readings be?

Question 7

Half-splitting refers to?

Answer 7

Identifying the path of the circuit and locating the halfway point.

Question 8

Four natural senses you would use when troubleshooting equipment.

Answer 8

Sight
Hearing,
Smell,
Touch

Question 9

Four categories that most electrical circuit problems fall into.

Answer 9

Shorts
Grounds
High resistances
Opens

Question 10

Three troubleshooting tools that could help you be more successful in troubleshooting a malfunctioning piece of equipment.

Answer 10

Manuals
Schematic Diagrams
Wiring Diagrams

Question 11

What other information is usually available in the manual(s).

Answer 11

Parts information, Contact information, Common issues and fixes, Where to go for parts.

Question 12

When troubleshooting specific equipment,what useful information does the manual provide?

Answer 12

Test points, Suggested fault points, Common problems

Question 13

Troubleshooting a piece of electronic equipment that has adjustments, what component will most likely have failed?

Answer 13

Push Button,
Limit switch,
Sensor

Question 14

Most modern electronic controllers have which type of indication to help a troubleshooter?

Answer 14

LED lights on switchboards.

Question 15

If a fuse blows on an electronic device such as a variable-speed drive, what should you check?

Answer 15

Solid state components for shortages.

Question 16

Why should you document the fault and remedy clearly?

Answer 16

To note what work was competed. Parts that were ordered, and how to fix it if it happens again.

Question 17

What do Schematic Diagrams explain?

Answer 17

The operation of electrical circuits.

Question 18

What do Wiring Diagrams show?

Answer 18

The physical and electrical relationship of devices.

Question 19

Three items that can be downloaded and printed from a manufacturer’s website.

Answer 19

Replacement parts lists.
Phone numbers to contact
Address of manufacturer
Replacement documents

Question 20

What does a well designed troubleshooting flow chart show?

Answer 20

How the system is set up and runs.

Enables you to find faults and irregularities in the current network.

Question 21

Door bell system doesn’t work. What is the first step?

Answer 21

Check for 16 volt power.

Question 22

Three items the electric furnace troubleshooting chart shows.

Answer 22

Problem, Possible cause, Solution

Question 23

Three possible causes for an electric furnace not running.

Answer 23

No power, Switch is off, Motor overload tripped.

Question 24

Is momentarily touching the two wires together an acceptable practice?

Answer 24

Yes.