Sunny Boy 2500U Installation and Operator’s Manual
SB2500U-11:NE - 35 - SMA Regelsysteme GmbH
Blinking code 5: Device failure
3 s 1 s 1 s 1 s 1 s 1 s 1 s5 s
3 x
Operation
Earth Fault
Failure
The yellow failure indication LED is activated for 5 seconds, is out for 3 seconds and then
blinks five times. The code is sent three times.
If the failure persists the indication is repeated.
The Sunny Boy is in a condition that makes it impossible to return to normal operation
and is most likely defective.
NOTE: The Sunny Boy has to be checked by a qualified technician.
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