SMA MEDIUM VOLTAGE POWER STATION 500SC-JP - Page 130

Error no. Explanation Inverter behavior Corrective measures
S1 S2 R
7600 Communication between touch dis-
play and communication unit is in-
terrupted. The error number ap-
pears on the display only.
W W ‒ • Check cabling between touch display
and communication unit.
• Contact Service partner.
7601 Internal inverter error 30s 1 min x • Contact Service partner.
7602 Internal communication error has
occurred or communication is inter-
rupted.
30s 1 min x • Contact Service partner.
7605 30s 1 min x • Contact Service partner.
7704 Faulty switching status of the DC
switchgear
30s Q ‒ • When disconnecting the inverter, check
that all motor-driven circuit breaker
switches are set to the OFF position. If
not, set all switches to OFF.
• Contact Service partner.
7706 The AC disconnection unit is open
or was tripped.
30s Q ‒ • Contact Service partner.
7707 Faulty switching state of the AC
contactor
30s Q ‒ • Contact Service partner.
7708 Faulty switching status of Re-
moteGFDI
W W ‒ • Contact Service partner.
7709 90% of switch cycles of the DC
switchgear reached.
10s 10s ‒ • Contact Service partner.
7710 100% of switch cycles of the DC
switchgear reached.
30s 30s ‒ • Contact Service partner.
7714 Maximum number of GFDI switch
cycles reached.
30s 30s ‒ • Replace GFDI.
7801 The surge arrester is defective or
the back-up fuse of the surge ar-
rester was tripped.
W W ‒ • Check the surge arrester.
• Check the back-up fuse of the surge
arrester.
7901 Reverse current has occurred in PV
array.
1 min D x • Contact Service partner.
8004 The inverter starts to derate due to
overcurrent at the DC switchgear
(SMID).
W W ‒ ‒
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.
W W ‒ • Contact Service partner.
9 Troubleshooting
SMA Solar Technology AG
System ManualMVPS22JP-SH-en-11130