Please see https://github.com/BoldGrid/boldgrid-backup/issues/9

class-boldgrid-backup-admin-ftp.php

// Please see: https://github.com/BoldGrid/boldgrid-backup/issues/9
// Full path: boldgrid-backup/admin/remote/class-boldgrid-backup-admin-ftp.php

public function is_setup( $try_cache = false ) {

    // ## #############################
    // STEP ONE: COMMENT OUT THIS LOGIC
    // ## #############################
		// If successfully logged in within last 24 hours, return true.
		//if ( $try_cache && $this->settings->is_last_login_valid() ) {
		//	return true;
		//}

		$this->connect();
		$this->log_in();

    // ## #######################################
    // STEP TWO: ECHO / LOG THAT YOU'VE LOGGED IN
    // ## #######################################
    error_log( 'logged in to ftp' );

		$logged_in = $this->logged_in;

		$this->disconnect();

		return $logged_in;
	}