10 Troubleshooting
SMA Solar Technology AG
Operating manual
STP15-25TL-30-BE-en-17
65
Event number
Message, cause and corrective measures
9003
Grid parameter locked
The parameters are now locked. You cannot change the parameters.
Corrective measures:
• Unlock the parameters with the SMA Grid Guard code.
9005
Changing of grid parameters not possible > Ensure DC supply
PV power is too low for setting the country data set. As soon as sufficient irra-
diation is available, the inverter assumes the setting automatically.
10.2 Cleaning the Fans
10.2.1 Cleaning the Fan at the Bottom
First clean the fan at the bottom of the inverter and then clean the fan on the left-hand side of the
enclosure.
Procedure:
1.
DANGER
Danger to life due to electric shock
• Disconnect the inverter from all voltage sources (see Section 11 "Disconnecting the
Inverter from Voltage Sources", page 76).
2. Wait for the fan to stop rotating.
3. Remove the fan guard and clean it:
• Use a screwdriver to push the two locking tabs
at the right-hand edge of the fan guard to the
right-hand side and remove them from the
retainer.
• Carefully remove the fan guard.
• Clean the fan guard with a soft brush, a paint brush, a cloth or compressed air.
Summary of Contents for 15000TL
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