SMA MEDIUM VOLTAGE POWER STATION 500SC-JP - Page 129

Error no. Explanation Inverter behavior Corrective measures
S1 S2 R
6452 Measured AC voltage of the utility
grid is less than inverter voltage.
W W ‒ • Contact Service partner.
6453 AC voltage of grid limit monitoring
is faulty.
W W ‒ • Contact Service partner.
6454 AC current is faulty. W W ‒ • Contact Service partner.
6455 AC voltage is faulty. W W ‒ • Contact Service partner.
6456 Pre-charging circuit of DC link is
defective.
W W ‒ • Contact Service partner.
6457 Capacitor self-test has failed. Q Q ‒ • Contact Service partner.
6461 Insulation monitoring device has
not adopted threshold.
15
min
15
min
x • Check the insulation monitoring device
and cabling.
6471 Online capacitor self-test has
failed.
Q Q x • Contact Service partner.
6472 Endless loop between online and
offline capacitor test
Q Q x • Contact Service partner.
6501 Interior temperature of inverter is
too high.
30s 1 min ‒ • Check function of the fans.
• Clean the fans.
• Clean clogged fan inlets and ventilation
plates.
6502 Temperature of inverter bridge is
too high.
30s 1 min ‒
6508 Outside temperature is too high. 30s 1 min ‒
6605 The fast stop was tripped due
overtemperature in the switch cabi-
net.
30s 1 min ‒ • Contact Service partner.
7001 Cable break or short circuit at in-
verter temperature sensor
W W ‒ • Check the wiring of the temperature
sensor.
• Contact Service partner.
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 ‒
9 Troubleshooting
SMA Solar Technology AG
System Manual 129MVPS22JP-SH-en-11