In case of updating chart series the best approach is to link to the chartRef, note that series are structured like an array of objects, to update all of them you need to refer to their key. updateChart(): void { this.chartRef.series[0].update( { name: 'D', data: [0, 0, 0, 0, 0, 0, 13500, 0, 0, 0, 9...