Speed light Repair (Not Firing) YN560iv

This YN560IV suddenly stop firing, the hotshoe are working fine but there's no flash coming out!
After searching, i found that 1 of the cable are not connected. Due to stuck into rotating panel. I try to release it and put back in the connector.
now it can be used again!!!

[@afiqasnawikamaruddin2172]

Good info...thanks

[@AZTEC_ARTS2023]

Wires are ok ... still no flash. When I turn on the "pilot" light is red, not green

[@botigofrozen7680]

Nice, had same problem...normal like this