Event number
Display message, cause and corrective measures
7001 to 7002
Sensor fault fan permanently on
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
7401
Varistor defective
At least one of the thermally monitored varistors is defective.
Corrective measures:
• Check the function of the varistors (see Section 6, page 22).
7701 to 7703
Self diagnosis > Interference device
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
8001
Derating occurred
The inverter has reduced its power output for more than ten minutes due to ex-
cessive temperature.
Corrective measures:
• If this message is displayed frequently, clean the fans (see Section 8,
• Ensure that the inverter has sufficient ventilation.
8101 to 8104
Comm. disturbed
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
8801 to 8803
No display
This error message can have three causes, but the inverter continues to feed
into the utility grid.
The ambient temperature is lower than -25°C. The display switched off for
reasons of protection.
The inverter cannot identify the display type.
No display is connected to the inverter or the connection is defective.
Corrective measures:
• If the display switched off due to the ambient temperature being too low,
wait until the ambient temperature is above -25°C.
• If the ambient temperature is above -25°C, contact the Service.
4 Troubleshooting
SMA Solar Technology AG
Service Manual for Installers
STP5-12TL-20-SG-en-13
16
Summary of Contents for SUNNY TRIPOWER 10000TL
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