http api called sucessfully but no action on the sprinkler

[fempradeep]

Hello, I installed everything as instructed. I issues an http api GET request and the reponse is as below:

{ "status": "Request received and processed correctly.", "result": "As you have not specified a 'result' argument, the result of the operation can't be send to you." }

But nothing is happening on the sprinkler side. How do I debug this? I soldered a wire to D0 and connected it to REM and another wire from 5v to AC2. I can see the device is online by visiting the web address which shows simple upload button: