On/off Switch Does Not Light Up
Hello Guys
This is a Indesit W/Machine W123.
Switch on the On/Off button, nothing happens.
Remove lead at Motor.
Continuity readings are,
M8 to M7, M8 to M5, M8 to M3, M8 to M2, good. M8 to M1 no continuity.
M7 to M5, M7 to M3, M7 to M2, M7 to M1, good.
M5 to M3, M5 to M2, good. M5 to M1, no continuity.
M3 to M2, good. M3 to M1, no continuity.
M2 to M1, no continuity.
Continuity test across On/Off switch shows switch is working because power goes In and Out of switch.
Can anyone advise me further please.
Thank you.
Satker
Solution Summary
AI-generated from this discussion
This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.
Indesit W123 completely dead with no power light
- The problem
- An Indesit W123 washing machine was completely dead when the on/off button was pressed and the switch light did not illuminate. The original poster reported continuity checks at the motor connector and confirmed continuity through the on/off switch.
- Likely cause
- The strongest diagnosis in the discussion is a faulty door interlock/door lock circuit. The original poster found no reading at the door interlock, and another reply stated that on a similar machine a failed door lock prevents the machine from powering up. Carbon brushes were mentioned as a possible cause of a dead machine on some Indesit models, but this was presented as a general possibility and was not confirmed here.
- What fixed it
- Check the basic supply path and door interlock/door lock circuit. The accepted reply also suggested checking motor carbon brushes as a possible cause on some Indesit machines. The exact repair was not confirmed in the thread.
- Checks to try
- Continuity tested across the on/off switch and reported as working, with power going in and out of the switch
- Continuity readings taken at the motor connector
- Other units reportedly tested and said to be OK except the door interlock
- No reading obtained at the door interlock
- Parts or tools mentioned
- Door interlock/door lock
- Motor carbon brushes
Safety: Further diagnosis should be carried out by a suitably qualified appliance engineer.
3 Answers
Open circuit across the carbon brushes cam cause some Indesit washing machines to go dead although lights should still come on. So if lights are lit up but washer is completely dead check carbon brushes in motor. Otherwise check these basics first
Need Professional Help or Spare Parts?
Thanks for your response.
Apart from the continuity test results previously submitted, I have tested other units apart from the motor. Those readings are OK, except for the door interlock. I do not get a reading there, but I am not sure if I am checking that correctly. That unit have a simple flat metal piece, spring loaded to move, depending on whether the door is closed or opened. Please advise how to test.
This machine does not have a PCB. It is an earlier model.
I have a later model (rusted) which as a last resort I intended to use for spares. Units are different because it have a PCB.
Perhaps you may also advise, from your knowledge, whether I could just remove all the wiring and units, and fit them to the earlier model since the 'shell' is the same.
I have electrical kowledge and experience, but nothing about washing machines and no diagram either, so I do not know what the various units are.
Satker
If my door lock is faulty, nothing powers up. The idea is so you can't cause a flood. The door lock on mine is linked with the pressure switch which overrides it when water is in the drum, stopping me from opening it. The first place my power inlet goes is the on/off switch, then from there it goes to the door lock/pressure switch. The board gets its power from the pressure switch on mine. Rather than checking continuity, I would check for voltage but obviously being careful. If there is no power reaching the pressure switch, I would suspect the door switch. With no water and power going into the pressure switch, I would expect another lead to be live from that to feed other parts of the machine. Obviously this is with the door shut. I have a hotpoint and if I disconnect the motor connector, the machine will still power up, but obviously not turn the drum.
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