Fronius DC Box 60/12 MET, Руководство по эксплуатации

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Troubleshooting
Safety
Troubleshooting
WARNING! Operating the equipment incorrectly can cause serious injury and
damage. The following activities must only be carried out by trained and qualified
personnel. Follow the safety rules in these operating instructions.
Power drop in inverter
Cause: One or more fuses are defective
Remedy: Replace faulty fuses
Fuse faulty
Cause: Over-temperature in the Fronius DC Box 60/12 (e.g., due to di-
rect sunlight)
Remedy: Find a different installation position for the Fronius DC Box 60/
12, if required (possibly under the solar modules); replace de-
fective fuse
Cause: Solar module string faulty
Remedy: Remedy fault in solar module string, replace the faulty fuse
Cause: A fuse was used with a nominal current rating that was too low
(nominal current rating of fuse less than the max. short circuit
current of the solar module)
Remedy: Replace faulty fuse and use a fuse with the correct nominal cur-
rent rating
Cause: Solar module strings connected with reversed polarity
Remedy: Check the polarity of each individual solar module string and
correct any solar module string that is not connected correctly
No solar module voltage at inverter
Cause: Connection error
Remedy: Check the DC cable ‘OUT’ for damage, check the connections
(terminals)
Cause: DC cable ‘OUT’ polarity reversed
Remedy: Connect the DC cable ‘OUT’ to the Fronius DC Box 60/12 with
the correct polarity