Discovery NM 530c Gantry is busy and ECG signal isn't recognized User activated Stress gated scan.

Discovery NM 530c Gantry is busy and ECG signal isn't recognized User activated Stress gated scan. User pressed <unload> at the end of Stress scan.A pop up saying that gantry was busy in another task appeared. A few seconds after that an error occurred saying the application couldn't init the sequence. User assumed that the error occurred because she pressed <unload> too soon. User closed the session and reopened it. Because the ECG was closed, the same error occurred closed the session, opened the ECG and reopened the same scan. No error occurred, but a pop up saying there was no ECG signal appeared User closed the session of the current scan and reopened it while the ECG easy opened. The application identified the ECG signal and the scan started as necessary.