max31856 issue

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iovadaniel
 
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max31856 issue

Post by iovadaniel »

Hi, I'm Daniel . I design and create a device for high temperature (1650 Celsius degree) reading and displaying using Adafruit Universal Thermocouple Amplifier MAX31856 Breakout (Product ID: 3263), Arduino Uno, TM1637 display and thermocouple type "S". Everything was fine, the adafruit max31856 works more than satisfactory, till last week when a fault UV/OV appear on display randomly. I change the thermocouple, mesure all the voltages involved in boards supplying, change the battery and nothings happen, still randomly more often appear " UV/OV fault ". In Your opinion, except the maximintegrated documentation, which is the cause? Can I do something to avoid this fault?

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adafruit_support_bill
 
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Re: max31856 issue

Post by adafruit_support_bill »

What is the thermocouple being used to measure? Make sure that the tip or any exposed thermocouple wire does not come into contact with anything that might have a charge on it.

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