Problem gelöst:
in der Datei "/opt/iobroker/node_modules/iobroker.solax/main.js"
unter "const data_dataPoints" beim entsprechenden Wechselrichter und Datenpunkt "maxValue: 32768" hinzufügen.
4: { /****************************************** X3-Hybrid-G4 *****************************************/
isOnline: { name: 'info.online', description: 'Inverter Online', type: 'boolean', role: 'switch' },
0: { name: 'data.acvoltage1', description: 'Grid Voltage 1', type: 'number', multiplier: 0.1, unit: 'V', role: 'value.power' }, // 'AC Voltage 1': (0, 'V'),
1: { name: 'data.acvoltage2', description: 'Grid Voltage 2', type: 'number', multiplier: 0.1, unit: 'V', role: 'value.power' }, // 'AC Voltage 2': (1, 'V'),
2: { name: 'data.acvoltage3', description: 'Grid Voltage 3', type: 'number', multiplier: 0.1, unit: 'V', role: 'value.power' }, // 'AC Voltage 3': (2, 'V'),
3: { name: 'data.accurrent1', description: 'Grid Current 1', type: 'number', maxValue: 32768, multiplier: 0.1, unit: 'A', role: 'value.power' }, // 'Output Current 1': (3, 'A'),
4: { name: 'data.accurrent2', description: 'Grid Current 2', type: 'number', maxValue: 32768, multiplier: 0.1, unit: 'A', role: 'value.power' }, // 'Output Current 2': (4, 'A'),
5: { name: 'data.accurrent3', description: 'Grid Current 3', type: 'number', maxValue: 32768, multiplier: 0.1, unit: 'A', role: 'value.power' }, // 'Output Current 3': (5, 'A'),
6: { name: 'data.acpower1', description: 'Grid Power 1', type: 'number', maxValue: 32768, unit: 'W', role: 'value.power' }, // 'AC Power 1': (6, 'W'),
7: { name: 'data.acpower2', description: 'Grid Power 2', type: 'number', maxValue: 32768, unit: 'W', role: 'value.power' }, // 'AC Power 2': (7, 'W'),
8: { name: 'data.acpower3', description: 'Grid Power 3', type: 'number', maxValue: 32768, unit: 'W', role: 'value.power' }, // 'AC Power 3': (8, 'W'),
9: { name: 'data.acpower', description: 'Inverter AC-Power now', type: 'number', maxValue: 32768, unit: 'W', role: 'value.power' }, // 'AC Power': (80, 'W'),