What was the reason for the blackout of the platform of Tehran's Mohammadieh Square metro station?

According to Mehr News Agency, Hadi Zand, Director of Communications and International Affairs of Tehran Metro Operating Company, said about the power cut at Mohammadiyeh station last night: due to a technical fault in the low pressure substation, the lighting of the platform of Line 7 of Mohammadiyeh Square station was provided yesterday evening on January 16. 1403 got into trouble in a short time.

He added: The personnel and technical technicians of the company came to the place immediately after the problem occurred and took action to fix the technical defect.

The Director of Communications and International Affairs of Tehran and Suburbs Metro Operation Company stated: Due to the darkness of this platform, it was not possible to accept passengers at the intersection of line 7 of this station from 18:20 to 19:00, when the problem was resolved, and Mohammadieh Square station as a The intersection station is located on lines 1 and 7, and only the platform of line 7 had this problem yesterday.