I was having this issue too, I solved it by changing to firmware version 0.25.0.0. You can download the new firmware from the ESP page. Don't forget to change the javascript module to "ESP8266WiFi_0v25".
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I'm ordering a USB-TTL converter and will upgrade. Thanks. I read the ESP page too fast:
So I concluded that it was all right for me.
But now I see in the table is written for 0018000902-AI03:
Thank you @DrAzzy