Fixing an E2 Probe Fault: LAE AT2-5 Digital Controller

The LAE AT2-5 controller is set by default for two probes. An E2 error code indicates the controller cannot find a second probe.
This video explains how to set up this controller for one probe, using the t2 parameter to switch off the second probe.
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Find a manual for the LAE AT2-5 and other LAE controllers at www.hawco.co.uk/lae.