REPAIRING AND NOT THROWING AWAY

REPAIRING AND NOT THROWING AWAY

Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and technical information about Service Modes, Circuit Diagrams, Firmware Update procedure, Disassemble procedure, Universal remote control set-up codes, Troubleshooting and more....

If you go into the profession, you will obtain or have access to a variety of tech tips databases HERE IT IS Master Electronics Repair !.

These are an excellent investment where the saying: 'time-is-money' rules. However, to learn, you need to develop a general troubleshooting approach - a logical, methodical, method of narrowing down the problem. A tech tip database might suggest: 'Replace C536' for a particular symptom. This is good advice for a specific problem on one model. However, what you really want to understand is why C536 was the cause and how to pinpoint the culprit in general even if you don't have a service manual or schematic and your tech tip database doesn't have an entry for your sick TV or VCR.

While schematics are nice, you won't always have them or be able to justify the purchase for a one-of repair. Therefore, in many cases, some reverse engineering will be necessary. The time will be well spent since even if you don't see another instance of the same model in your entire lifetime, you will have learned something in the process that can be applied to other equipment problems.
As always, when you get stuck, checking out a tech-tips database may quickly identify your problem and solution.In that case, you can greatly simplify your troubleshooting or at least confirm a diagnosis before ordering parts.

Happy repairing!
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

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..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

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All posts are presented here for informative, historical and educative purposes as applicable within fair use. NOTHING HERE IS FOR SALE !

Tuesday 24 November 2020

LG WD - 1247 RD WASHING MACHINE - ERROR CODES, TROUBLESHOOTING, FAULT CHECKING / DIAGNOSIS, WIRING DIAGRAM AND PROGRAM CHART


CHILD LOCK

Use this option to prevent unwanted use of the washer. Press and hold the Wash and Rinse button for 3 seconds to lock/unlock control.

When Child lock is set, CHILD LOCK lights and all buttons are disabled except the Power button. You can lock the washer while it is operating.

Test operation

SERVICE CHECKING

Be careful of electric shock or disconnecting the parts while trouble shooting.

Voltage of each terminal is 220-240V~ and DC while applying an electric current.

TEST MODE

Pressing Rinse, and Spin button simultaneously.

Press the Power button, while the above condition.

Press the Start/Pause button as follows.


HOW TO KNOW THE WATER LEVEL FREQUENCY and HOW TO KNOW TO TEMPERATURE OF EACH THERMISTOR AT OPERATING CONDITION.

Temperature of each thermistor at operating condition

Thermistor in tub : Press the [Temp.] button.

 Thermistor in dry duct : Press the [Turbo Steam] button.

WIRING DIAGRAM and PROGRAM CHART

ERROR DISPLAY

If you press the Start/Pause button in error condition, any error except “PE” will disappear and the machine will change into pause status.

In case of  [PE, TE, dHE] if the error is not resolved within 20 sec., and in case of other errors, if the error is not resolved within 4 min., power will be turned off automatically and the error only will be blinked. But in case of  , [FE] power will not be turned off.

FAULT DIAGNOSIS AND TROUBLE SHOOTING

Be careful of electric shock or disconnecting the parts while trouble shooting.

First of all, check the connection of each part terminal with wiring diagram.

If you replace the MAIN PWB ASSEMBLY, Put in the connectors correctly.







 

Posted By: FRANK at 04:34
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