SMA SC 500CP-US-10 600V - Manual (Page 84)

11 Troubleshooting SMA America, LLC
84 SCCP-US-BE-US_en-52 Operating Manual
6448 Insulation monitoring delivers
non-permitted values.
W W ‒ • Check insulation monitoring.
6451 Measured AC voltage from the
inverter is less than the voltage from the
utility grid
W W ‒
6452 Measured AC voltage from the utility grid
is less than the voltage from the
inverter
W W ‒
6453 AC voltage in the grid limits monitor is
mismatched
W W ‒
6454 AC current is mismatched W W ‒
6455 AC voltage is mismatched W W ‒
6456 DC link precharging switch is faulty W W ‒
6457 Capacitor self-test has failed A A ‒
6461 The insulation monitoring device has not
adopted the threshold
15 mi
n
15 min x • Set the threshold in parameter
RisoCtlWarn.
6501 Internal temperature in the inverter is too
high.
30 s 1 min ‒ • Make sure that the fans are
working properly.
• Clean the fans.
• Clean dirty fan inlets and
ventilation plates.
6502 The temperature of the inverter bridge is
too high.
30 s 1 min ‒
6508 The outside temperature is too high. 30 s 1 min ‒
6605 Fast stop has tripped. 30 s 1 min ‒ • Contact the SMA Service Line.
7001 Cable break or short circuit at the
inverter temperature sensor.
‒ ‒ ‒ • Check the wiring of the
temperature sensor.
• Contact the SMA Service Line. 7002 Cable break or short circuit at the
inverter temperature sensor.
‒ ‒ ‒
7006 Cable break or short circuit at the
inverter temperature sensor.
‒ ‒ ‒
7501 Internal fan is faulty. ‒ ‒ ‒ • Make sure that the fans are
working properly.
• Clean the fans.
• Clean dirty fan inlets and
ventilation plates.
7502 Internal fan is faulty. ‒ ‒ ‒
7503 Stack fan is faulty. ‒ ‒ ‒
7507 Motor-protective circuit-breaker of the fan
has tripped.
‒ ‒ ‒
7601 Internal inverter error. 30 s 1 min x • Contact the SMA Service Line.
7602 An internal communication error has
occurred.
30 s 1 min x
7605 An internal communication error has
occurred.
30 s 1 min x
Error no. Explanation Behavior of the
inverter
Corrective measures
S 1 S 2 R