SMA America, LLC
9 Troubleshooting
Installation Manual
SB3-5TLUS22-IA-en-10
73
8001
Derating occurred
The inverter has reduced its power output for
more than 10 minutes due to excessive
temperature.
Corrective measures:
• If this message is frequently displayed,
clean the cooling fins and air ducts
(see Section 9.4 "Cleaning the Inverter",
page 76).
• Ensure that the inverter has sufficient
ventilation.
8101 to 8104
Comm. disturbed
The cause must be determined by the
SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
8204
AFCI self-test failed
The cause must be determined by the
SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
8206
Electric arc detected
Please tap to confirm.
The inverter has detected an electric arc and was
recommissioned after a disconnection. By
tapping, you are confirming that you have
repaired any possible damage to PV modules,
cables or plugs in the PV plant.
Corrective measures:
• Tap on the display within ten seconds of
the display message appearing in order to
recommission the inverter.
Event number
Display message
Cause and corrective measures
