Tekniikkakeskustelut > Primus

Swiss Caravaner searching for Help - Primus Aquaflex AQWE6

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Mjerica:
@Patrick: "Could this be related to the temperature senros (rt1) or the potentio meter
            (temperature selector) which is broken?"

- As you have measured 27.4kohm of temperature sensor with parallel resistors it is way too high
  and explaines why electric heating is uncontrolled. When we get gas heating fixed it will do the same.

  You can fix that separately, just desolder sensor and measure it. It's nominal value is 47kohm (@25C)
  but I believe it is failed and presents much higher value. If so, and if you have easy access to spare
  parts, it might make sense to get new NTC-sensor before the gas starting fault is traced. It is up to
  your priority.

swiss_guy:
Hi, this would be a 47kOhm Resistor, but im not 100% sure, if the temperature scale is the correct?

https://www.reichelt.com/ch/de/shop/produkt/ntc_widerstand_450_mw_47_kohm-240049

thanks for an advice

Mjerica:
(>> #26) That resistor seems to be suitable. Have you checked your sensor NTC separately?

I expect you will also need more electronic spares for fixing gas section, hopefully so
because that would be the easy case. Model specific spares for old types heaters are
usually more troublesome to find. Not only for Aquaflex but many other models too.

swiss_guy:
Ok, ordered the Resistor and the replacement Potentionmeter.

what do you mean testing the NTC seperately?

swiss_guy:
Hello everyone, i recieved today the resistor and the potentiometer.

i soldered everything to the print (can the resitor be wrong with polarity?). However, it did not change anything on my issues :(

Next round is up :(

Regards

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