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HowToDo Question : Why is the 650 Air dryer runs but not heating ?

Waiting for a better solution Why is the 650 Air dryer runs but not heating ?

Forum-> Home Appliance Repair
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PostPosted: 30 Nov 2010 7:29 
Hello,
I read many post on this forum that revolves around this problem. But ultimately, no crash seems to have the same features as this one. Indeed, the self-diagnostic dryer detects no failure.
But:
- If I measure the output of commands resistors the power board I do not think 35V to 50V during the process of self-diagnosis!
- If, excluding food, I unplug the plugs from these two resistors I found an infinite resistance!
In fact there are thermostats that can be open circuit resistance. In which case the result is normal and it is my power board is HS. SNIF.
Could you, please, confirm to me that the reasoning is right? Thank you all ,
Guest





PostPosted: 30 Nov 2010 8:46 
Cette réponse a aidé l'auteur du sujet.
Hello
Good points, but wrong procedure.

Machine unplugged:
Multimeter (caliber 100 ohms) on the output of the relay or triac (map), you must read the value of resistance.
If not> HS resistance or defective clixon.
If yes> Resistance and clixon OK.

machine plugged in and heating mode.


Multimeter caliber in the same place on 600 volts AC.
You should measure 230 volts
If yes, OK Map
If not, a problem card.
Check welding, relay or triac, ect..;

These measures help determine which side comes down without any dismantling

Sorry if I'm not the thread, southern take over
Guest





PostPosted: 30 Nov 2010 11:00 
Hello,

First of all, thank you for your quick response! You feel less alone! yay!
What I did: I immediately
tested, the output triacs, resistors without being disconnected. The caliber 200 ohms between the neutral and the two outputs of the power board, I found infinity for both! I therefore conclude that I must remove the entire right side of my machine to see clearer.
My questions:
1) you do not my two thermostats? Or if they died then my open circuit is broken.
2) The procedure of self-control machine testing phase "J" and "K" respectively to the heating power maximum and then 1/2. Is this what you are suggesting when you say "machine and plugged in the heating mode. Or is it better that I run the machine in normal cycle, to be sure action?
Thanks in advance for all your help
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