CPS SC Series - Page 47

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module due to environmental factor;
2. Grounding is abnormal;
3. Fault inside the inverter
Recommended solutions:
1. Observe for 10 minutes and see whether the
alarm will be eliminated automatically;
2.. Detect whether the electrical connection is
abnormal
3. Contact after-sales service personnel
7. IsolationErr
Definition:
Insulation impedance of PV positive to ground
or PV negative to ground exceeds the specified
range
Possible causes:
Air humidity is high
Recommended solutions:
1. Observe for 10 minutes and see whether the
alarm will be eliminated automatically;
2. Check insulation of PV system;
3. Contact after-sales service personnel
8. IntProtectA~Z
Definition:
Internal protection of the inverter
Possible causes:
Protection procedure occurs inside the inverter
Recommended solutions:
1. Observe for 10 minutes and see whether the
alarm will be eliminated automatically;
2. Contact after-sales service personnel