SMA SB 2500TL-21 Installation User Manual
Page 73
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SMA Solar Technology AG
Troubleshooting
Installation Manual
SB25-30TLST-21-IA-en-13
73
7105
Param. setting
failed
Operating parameters cannot be set via the SD card.
The inverter continues feeding into the electricity grid.
Corrective measures:
• Check the parameters for valid values.
• Ensure change rights via SMA Grid Guard code.
7106
Update file defect. The update file is defective. Update failed. The inverter continues
feeding into the electricity grid.
Corrective measures:
• Re-format the SD card.
• Re-save the files to the SD card.
7110
No update file
found
No new update file found on the SD card. Update failed.
The inverter continues feeding into the electricity grid.
Corrective measures:
• Copy the update file into the
SD card drive :\UPDATE directory.
7201 -
7202
Data stor. not poss. Internal device fault, the inverter continues feeding into the
electricity grid.
Corrective measures:
• If this fault occurs often, contact the SMA Service Line
(see Section 15 "Contact" (page 92)).
7303
Update main CPU
failed
Internal device fault. The inverter continues feeding into the
electricity grid. In very rare cases, the firmware is damaged and
the inverter interrupts feed-in.
Corrective measures:
• Contact the SMA Service Line (see Section 15 "Contact"
7305
Update RS485I
module failed
Internal device fault, the inverter continues feeding into the
electricity grid.
Corrective measures:
• Re-try update.
• If this fault occurs again, contact the SMA Service Line
(see Section 15 "Contact" (page 92)).
7307
Update Bluetooth
failed
7311
Update language
table failed
7401
Varistor defective At least one of the thermally monitored varistors is defective.
The inverter is no longer protected against overvoltage. The
inverter continues feeding into the electricity grid.
Corrective measures:
• Check the varistors (see Section 11.6 "Checking the
Function of the Varistors" (page 78)).
Event no. Message
Cause and corrective measures