Sunny Boy 2500U Installation and Operator’s Manual
SB2500U-11:NE - 42 - SMA Regelsysteme GmbH
V-Const Sunny Boy is in constant voltage MPP mode
Derating reduction of the grid feeding power
Disturbance failure
Error messages
F-Bfr-Srr communication between micro-controllers is failing
F-EEPROM EEPROM cannot be read or written on
F-EEPROM dBh EEPROM cannot be read or written on
F-Fac-Bfr BFR-frequency measurement - value out of tolerable range
F-Fac-Srr SSR-frequency measurement - value out of tolerable range
F-dZac-Bfr BFR-impedance measurement - value out of tolerable range
F-dZac-Srr SSR-impedance measurement - value out of tolerable range
F-Imax internal over current
F-Shut-Down internal over current continuous
F-MSD-UAC different values between BFR and SRR for grid voltage
F-MSD-FAC different values between BFR and SRR for grid frequency
F-MSD-Meas different values between BFR and SRR for dI, Fac, Vac or Zac
F-K1-Close Relay test failed
F-K1-Open Relay test failed
F-EarthCurMax-S SRR-earth current between PV- and GND is out of tolerable range
F-EarthCurMax-B BFR-earth current between PV- and GND is out of tolerable range
F-MSD-ZAC different values between BFR and SRR for grid impedance
F-Offset Offset check for grid voltage failed
F-MSD-Timeout BFR or SSR controller failure
F-Vac-Bfr BFR-grid voltage measurement - value out of tolerable range
F-Vac-Srr SSR-grid voltage measurement - value out of tolerable range
F-VpvMax PV input voltage out of tolerable range
F-Zac-Bfr BFR-grid impedance measurement - value out of tolerable range
F-Zac-Srr SSR-grid impedance measurement - value out of tolerable range
F-Watchdog Watchdog for operation control triggered
F-GFDI Fuse Ope The GFDI-Fuse is defective
F-ROM Failure of Read only memory test
To Next Page
Loading...
