Lg Top Load Washer Test Jan 2013
This test is to be taken after reviewing all the assigned training modules.
Questions and Answers
- 1.
If water keeps coming into the tub when the unit is off, you should replace the ___________.
- A.
PCB
- B.
Pressure switch
- C.
Water valves
Correct Answer
C. Water valvesExplanation
If water keeps coming into the tub when the unit is off, the most likely cause is a malfunctioning water valve. The water valves control the flow of water into the tub, and if they are not functioning properly, they may remain open even when the unit is turned off. Therefore, replacing the water valves would be the appropriate solution to resolve the issue of water continuously entering the tub.Rate this question:
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- 2.
If the unit is off and you are still reading 120 volts at the water valves and the wash cycle is not selected, you should replace the ______.
- A.
Pressure switch
- B.
PCB
- C.
Water valves
Correct Answer
B. PCBExplanation
If the unit is off and you are still reading 120 volts at the water valves and the wash cycle is not selected, the most likely cause is a faulty PCB (printed circuit board). The PCB controls the electrical components of the unit, including the water valves. If it is malfunctioning, it can cause voltage to be sent to the water valves even when the unit is off and the wash cycle is not selected. Therefore, replacing the PCB should solve the issue.Rate this question:
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- 3.
What does it mean when "dr" is displayed and the unit will not work?
- A.
Door will not open
- B.
The water in the tub will drain automatically
- C.
You must replace the pump
Correct Answer
B. The water in the tub will drain automaticallyExplanation
When "dr" is displayed and the unit will not work, it means that the water in the tub will drain automatically.Rate this question:
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- 4.
How do you get "Water Plus Activation"?
- A.
Wait until the washer stops filling
- B.
Pause the cycle
- C.
Press the Water Plus button
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
To get "Water Plus Activation," you need to follow all of the given steps. First, you should wait until the washer stops filling. Then, pause the cycle and finally press the Water Plus button. By doing all of these actions, you will activate the "Water Plus" feature in the washer.Rate this question:
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- 5.
If the unit will not power up but you read 5 vdc at pin 1 and 4, 6, 7 at the power control board, you should replace the _______.
- A.
Display PCB
- B.
Main PCB
- C.
Both boards
Correct Answer
A. Display PCBExplanation
If the unit is not powering up but there is a reading of 5 vdc at pin 1 and 4, 6, 7 on the power control board, the issue is most likely with the display PCB. This suggests that there is power reaching the power control board, but the display PCB is not functioning properly. Therefore, replacing the display PCB should solve the problem.Rate this question:
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- 6.
How do you get into diagnostic mode on Model# WT5070/WT4801?
- A.
Press power button and special Use
- B.
Press soil level and pause start
- C.
Press soil level and special use
- D.
Press spin speed, soil level and power button
- E.
Both c and d
Correct Answer
E. Both c and dExplanation
To get into diagnostic mode on Model# WT5070/WT4801, you can either press the soil level and special use buttons or press the spin speed, soil level, and power button together. Both options (c and d) will allow you to access the diagnostic mode.Rate this question:
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- 7.
What is the difference between de and DE?
- A.
DE is draining error, de is lid error
- B.
DE is door lid error, de is draining error
- C.
None of the above
Correct Answer
A. DE is draining error, de is lid errorExplanation
The correct answer states that "DE" stands for draining error, while "de" stands for lid error. This suggests that the capitalization of the letters signifies different meanings in this context.Rate this question:
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- 8.
What would you replace if in the test mode the pressure switch frequency with an empty tub is displaying less than 33 or more than 67?
- A.
PCB
- B.
Hall sensor
- C.
Pressure switch
Correct Answer
C. Pressure switchExplanation
In the test mode, if the pressure switch frequency with an empty tub is displaying less than 33 or more than 67, the pressure switch should be replaced. The pressure switch is responsible for detecting the water level in the tub and controlling the water flow accordingly. If it is not functioning properly, it can lead to incorrect pressure readings and affect the overall performance of the appliance. Therefore, replacing the pressure switch would be the appropriate solution in this scenario.Rate this question:
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- 9.
When PE code does not occur during spin with a load or with the pressure switch wires are being moved or shaken, what should you replace ________?
- A.
Pressure switch
- B.
PCB
- C.
Line filter
Correct Answer
B. PCBExplanation
When PE code does not occur during spin with a load or with the pressure switch wires being moved or shaken, the most likely component that needs to be replaced is the PCB (Printed Circuit Board). The PCB is responsible for controlling various functions of the appliance, including the pressure switch. If the PE code is not occurring even when the pressure switch wires are being disturbed, it suggests that the issue lies with the PCB, which may be malfunctioning and not properly detecting the pressure switch signals. Replacing the PCB should resolve the problem.Rate this question:
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- 10.
What would you replace if "dl" code was displayed and the voltage reading at the lid switch was 0 volts between rd-wh wires when the door is locked?
- A.
Lid switch
- B.
PCB
- C.
Wire harness
Correct Answer
B. PCBExplanation
The correct answer is PCB. If the "dl" code is displayed and the voltage reading at the lid switch is 0 volts between the rd-wh wires when the door is locked, it suggests that there may be an issue with the PCB (printed circuit board). The PCB is responsible for controlling various functions of the appliance, including the lid switch. Therefore, replacing the PCB would be the appropriate solution in this scenario.Rate this question:
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