SMA SUNNY CENTRAL User Manual
Page 56

Failures and Warnings
SMA Solar Technology AG
56
SC-BEN092751
User Manual
409
Error text:
IGBT Stack Temperature
Error type 3
Cause:
Heatsink temperature is too high (software).
Corrective measures:
• Check function of the cooling fans of the inverter bridge.
• Clean soiled air inlet or heatsink.
• Ambient or cooling air temperature too high.
• If this error occurs frequently, contact the Sunny Central Serviceline.
410
Error text:
IGBT Stack Error Sum
Error type 3
Cause:
Internal failure of the inverter bridge (e.g. DC overvoltage, overtemperature, defective
driver, overcurrent).
Corrective measures:
If this error occurs frequently, contact the Sunny Central Serviceline.
411
Error text:
IGBT Overcurrent or UVW phase fault ADAPSCP
Error type 3
Cause:
Internal inverter bridge failure.
Corrective measures:
If this error occurs frequently, contact the Sunny Central Serviceline.
412
Error text:
Overcurrent
Error type 3
Cause:
Internal inverter bridge failure.
Corrective measures:
If this error occurs frequently, contact the Sunny Central Serviceline.
No.
Description