SMA MEDIUM VOLTAGE POWER STATION 500SC-JP System Manual page 130

9 Troubleshooting
Error no. Explanation
7600 Communication between touch dis-
play and communication unit is in-
terrupted. The error number ap-
pears on the display only.
7601 Internal inverter error
7602 Internal communication error has
occurred or communication is inter-
7605
rupted.
7704 Faulty switching status of the DC
switchgear
7706 The AC disconnection unit is open
or was tripped.
7707 Faulty switching state of the AC
contactor
7708 Faulty switching status of Re-
mote GFDI
7709 90% of switch cycles of the DC
switchgear reached.
7710 100% of switch cycles of the DC
switchgear reached.
7714 Maximum number of GFDI switch
cycles reached.
7801 The surge arrester is defective or
the back-up fuse of the surge ar-
rester was tripped.
7901 Reverse current has occurred in PV
array.
8004 The inverter starts to derate due to
overcurrent at the DC switchgear
(SMID).
8701 External active power setpoints
are smaller than 2 mA and there-
fore invalid. The last valid value or,
after a day change, Pmax is
used. Once valid setpoints are
available again, these will be
used.
130 MVPS22JP-SH-en-11
Inverter behavior Corrective measures
S1 S2 R
W W ‒ • Check cabling between touch display
• Contact Service partner.
30 s 1 min x • Contact Service partner.
30 s 1 min x • Contact Service partner.
30 s 1 min x • Contact Service partner.
30 s Q ‒ • When disconnecting the inverter, check
• Contact Service partner.
30 s Q ‒ • Contact Service partner.
30 s Q ‒ • Contact Service partner.
W W ‒ • Contact Service partner.
10 s 10 s ‒ • Contact Service partner.
30 s 30 s ‒ • Contact Service partner.
30 s 30 s ‒ • Replace GFDI.
W W ‒ • Check the surge arrester.
• Check the back-up fuse of the surge
1 min D x • Contact Service partner.
W W ‒ ‒
W W ‒ • Contact Service partner.
SMA Solar Technology AG
and communication unit.
that all motor-driven circuit breaker
switches are set to the OFF position. If
not, set all switches to OFF.
arrester.
System Manual