8702
Several digital active power setpoints are available
SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
What does 8702 mean?
Multiple digital active power setpoints are being received by the inverter simultaneously. This indicates a conflict in control signals and the inverter cannot determine which setpoint to use. This is a warning that does not affect inverter behavior immediately.
Common Causes
- Multiple external sources attempting to control active power simultaneously.
- Incorrect wiring or configuration of digital inputs.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Identify and resolve the conflict in digital active power setpoint sources.
- 2
Review the wiring and configuration of digital inputs for active power control.
Verified technical data. Last updated: March 2026
Related Faults
Source: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter