SMA SUNNY ISLAND 5048-US - Warnings and Failure Messages; Category INV

SMA America, LLC Troubleshooting
Technical Description SI5048U-TUS121440 201
20.8 Warnings and Failure Messages
The meanings of the failures and warnings displayed by the Sunny Island are described in the
following table:
20.8.1 Category INV
Display no. Level Description
F109 3 Transformer overtemperature
W110 1 Overtemperature on transformer on slave 1
W111 1 Overtemperature on transformer on slave 2
W112 1 Overtemperature on transformer on slave 3
F113 3 Overtemperature on heatsink
W114 1 Overtemperature on heatsink on slave 1
W115 1 Overtemperature on heatsink on slave 2
W116 1 Overtemperature on heatsink on slave 3
F117 2 AC current limit (short-circuit control active for too long)
W118 1 AC current limit (short-circuit control active for too long) on slave 1
W119 1 AC current limit (short-circuit control active for too long) on slave 2
W120 1 AC current limit (short-circuit control active for too long) on slave 3
F121 3 Inverter overvoltage
W122 1 Inverter overvoltage on slave 1
W123 1 Inverter overvoltage on slave 2
W124 1 Inverter overvoltage on slave 3
W137 1 Derating due to temperature (heatsink or transformer)
W138 1 Derating due to temperature (heatsink or transformer) on slave 1
W139 1 Derating due to temperature (heatsink or transformer) on slave 2
W140 1 Derating due to temperature (heatsink or transformer) on slave 3
F141 2 Inverter undervoltage
W142 1 Inverter undervoltage slave 1
W143 1 Inverter undervoltage slave 2
W144 1 Inverter undervoltage slave 3
F158 2 Voltage on output AC1
W159 1 Voltage on output AC1 slave 1
W160 1 Voltage on output AC1 slave 2
W161 1 Voltage on output AC1 slave 3