You could call a distributor in your area and swap the module. Try this first..... Take and power down the controller (turn off the breaker), unplug the module. wait a few minutes. Then reverse the process and pug the module back in, and power the controller back up. If that does not work do a master reset / clear on the controller. Sometimes there are glitches and you can only clear them with a shut down or master reset.
Best of luck!
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Josh
Irrigation /Landscape Lighting / Pump and Well Specialist