SMA SB 3000TL-US Installation - Manual (Page 71)

SMA America, LLC 11 Troubleshooting
Installation Manual SB3-5TLUS22-IA-en-16 71
11.3 Cleaning the Inverter
• If the cooling fins on the rear of the enclosure are dirty, clean them with a soft brush.
• If the air ducts on the top of the inverter are dirty, clean them with a soft brush.
11.4 Cleaning the Fan
The SB 6000TL-US, SB 7000TL-US and SB 7700TL-US are equipped with a fan as standard. You can
dismantle the fan for cleaning, as described in the following sections.
11.4.1 Sunny Boy 3000/3800/4000/5000/6000TL-US
Disassembling the Fan
1. Disconnect the inverter from any voltage sources (see Section 10 "Disconnecting the Inverter
from Voltage Sources", page 55).
2. Loosen the screws of the lower enclosure lid and remove the enclosure lid.
3. Wait for the fan to stop rotating.
9005 Changing grid param.
not possible
Ensure DC supply This error can have the following causes:
• The selected rotary switch setting for the
country configuration is not programmed.
• The parameters to be changed are
protected.
• The DC voltage at the DC input is not
sufficient to run the main CPU.
Corrective measures:
• Check the settings of the rotary switches (see
Section 7.1.2 "Changing the Country Data
Set and the Display Language", page 49).
• Enter the SMA Grid Guard code.
• Ensure sufficient DC voltage (green LED
lights up or flashes).
Damage to the display due to the use of cleaning agents
• If the inverter is dirty, clean the enclosure lid, the display, and the LEDs using only clean water
and a cloth.
Event number Display message Cause and corrective measures