USB overcurrent pro-
tection
1 Unplug the U disk;
2.Reconnect the U disk after shutdown;
3.If the fault message still exists,contact the
manufacture r.
1 .Check the fuse after shutdown;
2.If the fault message still exists,contact the
manufacture r.
Panel voltage is too
high
1. Disco nnec t the D C sw itch immediately a nd c onfi rm
the v ol tage;
2. fter the norm al volt age is restored, if the fault
message st il l exists,con tact the m anufacturer.
1.Check the panel input;
2.If the fault message still exists,contact the
manufacture r.
1.Please confirm whet her the power grid is lost;
2.If the fault message still exists,contact the
manufacture r.
Mains voltage is out
of range
1.Check whether the AC voltage is within the
specification range of the standard voltage;
2.If the fault message still exists,contact the
manufacture r.
Mains frequency is
out of range
1.Check whether the frequency is within the
range;
2.If the fault message still exists, contact the
manufacture r.
1 .Reduce output power;
2.If the fault message still exists, contact the
manufacture r.
Open current trans-
former
1.Check whether the current transformer is
connected well;
2.If the fault message still exists, contact the
manufacture r.
Reverse connection
of current trans-
former
1.Check whether the current transformer is
connected reversely;
2.If the fault message still exists,contact the
manufacture r.
Communication fail-
ure of current trans-
former
1.Please checkthe communication line;
2.If the fault information still exists,contact the
manufacture r.
Wireless CT pairing
timeout
1.Please checkthe communication line;
2.If the fault information still exists,contact the
manufacture r.
Fan function is ab-
normal
1 .Check the fan wiring after shutdown;
2.Replace the fan;
3.If the fault information still exists,contact the
manufacture r.
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