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 Manual
MVPS22JP-SH-en-11
130
Summary of Contents for 1000-1SC
Page 257: ......