Troubleshooting/Problem Solving
SMA
Solar Technology AG
188
SI2012_2224-TEN082311
Technical Description
18.6 Error Categories
The Sunny Island distinguishes between five different levels of failures, each requiring different user
interaction:
18.7 Warnings and Failure messages
The meanings of the faults and warnings displayed by the Sunny Island are described in the
following table:
Level
Classification
Display
Meaning
1
Warning
Warning
Warning, device continues to run. There is an explicit information
on the Home Screen that a warning was recorded.
2
Fault 1
Malfunction
Disturbance that only can be detected in operation, device is
deactivated. Restart is possible immediately (Autostart).
3
Fault 2
Malfunction
Disturbance that can be detected in Standby, device is
deactivated. Restart (Autostart) is only possible is identified as
being gone.
4
Failure
Failure
Device failure, device is deactivated. User interaction required
(troubleshooting, confirmation, manual restart).
5
Device defective
Defect
Device is defective, is deactivated and does not restart. Operation
permanently blocked. Device must be exchanged.
Display
number
Level
Description
Category INV
F117
2
AC current limitation (short-circuit control active for too long)
F118
2
AC current limitation (short-circuit control active for too long) on slave 1
F119
2
AC current limitation (short-circuit control active for too long) on slave 2
F121
3
inverter overvoltage
F122
3
inverter overvoltage on slave 1
F123
3
inverter overvoltage on slave 2
F150
3
Overtemperature (inverter)
W151
1
Overheating (inverter) slave 1
W152
1
Overheating (inverter) slave 2
F154
3
Overtemperature (voltage converter)
W155
1
Overheating (voltage converter) slave 1
W156
1
Overheating (voltage converter) slave 2
Category BAT
F206
3
battery overtemperature
F208
3
battery overvoltage (internal limit for cell voltage)