8 pv system logbook – SMA SUNNY HOME MANAGER User Manual
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Inverter Comparison
Requirements for displaying the information:
☐ The PV system must contain at least two inverters.
The inverter comparison enables Sunny Portal to recognize possible yield losses. If the specific yield
of an inverter differs significantly from the mean yield of all the inverters, Sunny Portal can notify you
by e-mail (see Section 11.5 "Setting the Inverter Comparison", page 93).
6.2.8 PV System Logbook
This page shows messages regarding the PV system status. The following message types are
available:
• Information
• Warning
• Disturbance
• Errors
These messages help you to identify disturbances in your PV system, for example. The number of
unconfirmed messages is shown after the colon of the page name in the menu.
You can filter messages and confirm that you have read them (see Section 11.2 "PV System Logbook",
page 87).
Symbol
Status
Explanation
Deactivated The inverter comparison is not activated (see Section 11.5 "Setting the
Inverter Comparison", page 93).
OK
The yields of the monitored inverters are within the configured range.
The total yield of all inverters on the last day is displayed.
Errors
The specific yield is outside the tolerance for at least one monitored
inverter. You can access the following information via the Details link:
• Specific yield of the affected inverters
• Average yield value of all monitored inverters
Example: Display of unconfirmed messages
PV system logbook: 5 means that there are five unconfirmed messages of the types Error,
Disturbance or Warning.