Goodwe GW10K-SDT-20, Руководство пользователя

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47
User Manual V1.1-2022-08-15
09 Maintenance
No. Fault Cause Solutions
5 Isolation Fail
1. The PV system is
short-circuited to
the ground.
2. The PV system
is in a moist
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the circuit is not
well insulated to
the ground.
1. Check whether the PV input cables are
broken.
2. Check whether the module frames
and the metal bracket are securely
grounded.
3. &KHFNZKHWKHUWKH$&VLGHLVSURSHUO\
grounded
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also alarm as following when Isolation Fail occurs.
1.
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email about the fault will be sent to the user
automatically.
2. ,QYHUWHUVGRQRWVXSSRUW:L)LFRPPXQLFDWLRQ
7KHEX]]HULQWKHLQYHUWHUZLOOVRXQGIRU
minute. If the problem persists, the buzzer will
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6 DC inject High
DC injection exceeds
the allowed range.
1. &KHFNZKHWKHUWKHVRIWZDUHYHUVLRQLV
the latest one.
2. 5HVWDUWWKHLQYHUWHUDQGFKHFNZKHWKHU
WKHLQYHUWHUFDQZRUNSURSHUO\
7 Ground I Fail
The input insulation
impedance to the
ground decreases
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operating.
1. &KHFNZKHWKHUWKHZRUNLQJHQYLURQPHQW
RIWKHLQYHUWHUPHHWVWKHUHTXLUHPHQWV
For example, the fault may occur due to
high humidity on rainy days
2. Make sure that the components are
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properly grounded.
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Excess PV modules
are connected in
the series, and the
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is higher than the
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1. Check whether the PV string input
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displayed on the LCD.
2. &KHFNZKHWKHUWKH39VWULQJYROWDJH
PHHWVWKHPD[LPXPLQSXWYROWDJH
UHTXLUHPHQWV