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#57591
dener0987 wrote:
Thu Jun 30, 2022 11:02 pm
Hello
Did you manage to solve this problem? I'm having problems here with my sensors too, after some time of use the controller starts to mark a very high lambda value as if it were outdoors.
Just replacing the sensor with a new one solved it. And that after some time of use had the same problem.
There are 27 pages to this thread, which design are you using? there is a schematic on the first page that has the pump control circuit connected up wrong. Also I pointed out nearly 4 years ago that the code for the heater PID control is wrong. Given that the heater control hardware and software are, potentially, both wrong you should expect it to eat sensors.

Edit: The 'Nano Lambda Shield' doesn't have any obvious way to monitor the heater temperature so I assume its not actually controlling it.
#57593
JHolland wrote:
Fri Jul 01, 2022 10:23 am
dener0987 wrote:
Thu Jun 30, 2022 11:02 pm
Hello
Did you manage to solve this problem? I'm having problems here with my sensors too, after some time of use the controller starts to mark a very high lambda value as if it were outdoors.
Just replacing the sensor with a new one solved it. And that after some time of use had the same problem.
There are 27 pages to this thread, which design are you using? there is a schematic on the first page that has the pump control circuit connected up wrong. Also I pointed out nearly 4 years ago that the code for the heater PID control is wrong. Given that the heater control hardware and software are, potentially, both wrong you should expect it to eat sensors.

Edit: The 'Nano Lambda Shield' doesn't have any obvious way to monitor the heater temperature so I assume its not actually controlling it.

I'm using this version v0.0.3. https://github.com/oelprinz-org/BL49SP

Thanks
#57594
JHolland wrote:
Fri Jul 01, 2022 10:23 am
dener0987 wrote:
Thu Jun 30, 2022 11:02 pm
Hello
Did you manage to solve this problem? I'm having problems here with my sensors too, after some time of use the controller starts to mark a very high lambda value as if it were outdoors.
Just replacing the sensor with a new one solved it. And that after some time of use had the same problem.
There are 27 pages to this thread, which design are you using? there is a schematic on the first page that has the pump control circuit connected up wrong. Also I pointed out nearly 4 years ago that the code for the heater PID control is wrong. Given that the heater control hardware and software are, potentially, both wrong you should expect it to eat sensors.

Edit: The 'Nano Lambda Shield' doesn't have any obvious way to monitor the heater temperature so I assume its not actually controlling it.
The temperature is controlled by the adc value of the sensor element and the target is readed during startup phase. So its not needed to translate it into degree celsius.
The temperatur off the element must be in a certain range to have proper lambda value, so makes no sense to know the actual temp…
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