Troubleshooting/Problem Solving SMA Solar Technology AG
190 SI2012_2224-TEN082311 Technical Description
Category SYS
W702 1 internal restart
F703 3 Time limit exceeded during internal processing
F704 4 DSP invalid calibration
F705 4 Watchdog DSP triggered
F706 4 watchdog meter has expired (watchdog triggered several times in succession)
F707 4 watchdog meter on slave 1 has expired (watchdog triggered several times in succession)
F708 4 watchdog meter on slave 2 has expired (watchdog triggered several times in succession)
F709 4 watchdog meter on slave 3 has expired (watchdog triggered several times in succession)
F710 4 autostart counter expired (several autostarts in succession)
F711 2 DSP hardware error
F712 2 internal monitoring electronics (HTSS error)
W713 1 watchdog triggered
F714 2 internal overvoltage
F722 3 Short circuit in battery temperature sensor
F723 3 Defective cable in battery temperature sensor
W738 1 Synchronization was not conducted
F739 3 internal device communication BFR-DSP missing
F740 3 internal device communication BFR-DSP missing on slave 1
F741 3 internal device communication BFR-DSP missing on slave 2
F743 3 internal device communication BFR-DSP missing
W753 1 Invalid date (date is set automatically when launched)
W755 1 Battery preservation mode level 1
W756 1 Battery preservation mode level 2
W757 1 Battery preservation mode level 3
F762 4 Short circuit or ruptured cable on transformer temperature
F766 4 Short circuit or ruptured cable on transformer temperature sensor/inverter
W770 1 Short circuit at the 24 V DC-output
W851 1 Battery connection polarity reversed or short-circuit at first SIC40
W852 1 Battery excess voltage (>65 V) at first SIC40
W853 1 PV generator excess voltage at first SIC40
W854 1 PV voltage absent or short-circuit at first SIC40
W855 1 Sensor fault or temperature deficit at first SIC40
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