SMA SB 1.5-1VL-40 Service Manual - Manual (Page 20)

Event number Message, cause and corrective measures
8708 Timeout in communication for active power limitation
Communication to the system control absent. Depending on the fall-back set-
ting, either the last received values will be retained or the active power will be
limited to the set percentage value of the inverter nominal power.
Corrective measures:
• Ensure that the connection to the system manager (e.g.
Sunny Home Manager) is intact and that no cables are damaged or that
no plugs have been pulled.
8709 Timeout in communication for reactive power spec.
Communication to the system control absent. Depending on the fall-back set-
ting, either the last received values will be retained or the reactive power will
be set to the set value.
Corrective measures:
• Ensure that the connection to the system manager (e.g.
Sunny Home Manager) is intact and that no cables are damaged or that
no plugs have been pulled.
8710 Timeout in communication for cos-Phi spec.
Communication to the system control absent. Depending on the fall-back set-
ting, either the last received values will be retained or the displacement power
factor will be set to the set value.
Corrective measures:
• Ensure that the connection to the system manager (e.g.
Sunny Home Manager) is intact and that no cables are damaged or that
no plugs have been pulled.
9002 SMA Grid Guard code invalid
The SMA Grid Guard code entered is incorrect. The operating parameters are
still protected and cannot be changed.
Corrective measures:
• Enter the correct SMA Grid Guard code.
9003 Grid parameter locked
Changes to the grid parameters are now blocked. In order to be able to make
changes to the grid parameters, from now on you must log in using the SMA
Grid Guard code.
4 Event Messages SMA Solar Technology AG
Service Manual for Installers SB15-25-SG-en-10 20