SMA SI 5048 - Warnings and Fault Indications

SMA Solar Technology AG Troubleshooting
Technical Description SI5048-TEN093630 191
20.8 Warnings and Fault Indications
The meanings of the faults 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
F159 2 Voltage on output AC1 slave 1
F160 2 Voltage on output AC1 slave 2
F161 2 Voltage on output AC1 slave 3