SMA SC 500CP XT - Manual (Page 74)

Error no. Explanation Inverter behavior Corrective measures
S1 S2 R
7001 Cable break or short circuit at in-
verter temperature sensor W W ‒ • Check the wiring of the temperature
sensor.
• Contact 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 SMA Service Line.
7601 Internal inverter error 30 s 1 min x • Contact SMA Service Line.
7602 Internal communication error has
occurred or communication is inter-
rupted. 30 s 1 min x • Contact SMA Service Line.
7605 30 s 1 min x • Contact 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 SMA Service Line.
7706 The AC disconnection unit is open
or was tripped. 30 s Q ‒ • Contact SMA Service Line.
7707 Faulty switching status of the AC
disconnection unit 30 s Q ‒ • Contact SMA Service Line.
7708 Faulty switching status of Re-
mote GFDI W W ‒ • Contact SMA Service Line.
7709 90% of switch cycles of the DC
switchgear reached 10 s 10 s ‒ • Contact SMA Service Line.
7710 100% of switch cycles of the DC
switchgear reached 30 s 30 s ‒ • Contact SMA Service Line.
7714 Maximum number of GFDI switch
cycles reached 30 s 30 s ‒ • Replace GFDI.
7 Troubleshooting SMA Solar Technology AG
User Manual SCCPXT-BA-E4-en-54 74