Kaffeevollautomaten.org

Device does not heat properly

Posted by: AmonMichael May 09, 2015 04:24 pm

Values coffee drinker and coffee machine repairer,
my machine heats up to 100%, but then does not go into the next program step.
At the thermoblock I measure 40 Ohm, the steam heater is new and the thermostats exchanged.

Does anyone have an idea?

Posted by: AmonMichael May 09, 2015 04:39 pm

But another addendum: device heats up to 96%, and then needs very long to 100%. Could it be that?

Posted by: AmonMichael May 09, 2015 05:27 pm

Another second addendum: I outwitted the thermocouple and set it to 1005 by other heating. The device still does not switch to the next step.
Why could that be?

VG and V thanks.

Posted by: AmonMichael May 09, 2015 06:20 pm

Problem solved, bought new thermostats, tested, installed, now one is broken.

Posted by: looser May 09, 2015 06:44 pm

If one of the new thermal fuses has blown again, the Triac TY1 on the power board will be faulty and will supply continuous voltage to the DH.
Measure the voltage and replace the triac if necessary.

Posted by: Danceman May 10, 2015 07:28 am

QUOTE
Problem solved ... Now one's broken.

Dark wars, the moon shone bright when a car flashed...

Posted by: Guest May 25, 2015 10:03 pm

Hello I have the same problem the KV heats up to about 95% and needs very long to 100%.
between 95 and 100 it sometimes goes up and down.
I am not so fit with electronics measure.
Where do I start best or what is most likely broken and replace I?
Thank you

Posted by: looser May 26, 2015 03:58 am

First measure the resistance of the thermoblock. Leave the cables connected and disconnect the mains plug.

Posted by: Guest May 27, 2015 08:43 pm

Info:
the machine works (can still make coffee)
only when heating up the last 5% last forever
the warming plate is also well warm.
must I still measure the resistance?

Posted by: looser May 27, 2015 08:54 pm

No, of course not.

Posted by: Guest May 27, 2015 09:06 pm

sounds like I should do it.
then I'll start disassembling. :(

Posted by: looser May 28, 2015 04:01 am

You can also switch on a power meter.
Probably the thermoblock will be defective.

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