5 Troubleshooting
SMA Solar Technology AG
Maintenance Manual
39
SCCPXT-E7-WA-en-37
Error no. Explanation
Inverter behavior
Corrective measures
S1
S2
R
6605
The fast stop was tripped due
overtemperature in the switch cabi-
net.
30 s
1 min
‒
• Contact the SMA Service Line.
7001
Cable break or short circuit at in-
verter temperature sensor
W
W
‒
• Check the wiring of the temperature
sensor.
• Contact the SMA Service Line.
7002
W
W
‒
7004
W
W
‒
7006
W
W
‒
7501
Interior fan is defective.
W
W
‒
• Check function of the fans.
• Clean the fans.
• Clean clogged fan inlets and ventilation
plates.
7502
W
W
‒
7503
Inverter bridge fan is defective.
W
W
‒
7507
Motor-protective circuit breaker of
fan has tripped.
W
W
‒
7510
Interior fan is defective.
W
W
‒
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 the SMA Service Line.
7601
Internal inverter error
30 s
1 min
x
• Contact the SMA Service Line.
7602
Internal communication error has
occurred or communication is inter-
rupted.
30 s
1 min
x
• Contact the SMA Service Line.
7605
30 s
1 min
x
• Contact the SMA Service Line.
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 the SMA Service Line.
7706
The AC disconnection unit is open
or was tripped.
30 s
Q
‒
• Contact the SMA Service Line.
7707
Faulty switching status of the AC
disconnection unit
30 s
Q
‒
• Contact the SMA Service Line.
7708
Faulty switching status of Re-
mote GFDI
W
W
‒
• Contact the SMA Service Line.
7709
90% of switch cycles of the DC
switchgear reached.
10 s
10 s
‒
• Contact the SMA Service Line.
7710
100% of switch cycles of the DC
switchgear reached.
30 s
30 s
‒
• Contact the SMA Service Line.
Summary of Contents for SUNNY CENTRAL 1000CP XT
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