In Regulate pH and Electrical Conductivity, when ec is below low, the Peristaltic EcA, EC B pump is not operated and the conditional controller operates the Peristaltic pump.
Currently, ec is 1400 and the setting is 1700~1900 and wait for more than 10 minutes.
Have you updated Mycodo to the latest code by upgrading to master? @CaptxP has confirmed EC regulation has been fixed in the latest version of the Function.