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FAULT DIAGNOSIS AND SOLUTIONS
The inverter is easy to maintain. When you encounter the following problems, please
refer to the Solutions below, and contact the local distributor if the problem remains
unsolved. The following table lists some of the basic problems that may occur during
the actual operation as well as their corresponding basic solutions.
FAULT DIAGNOSIS TABLE
Co nten t
Di schg O verC ur
00
Batte ry disc harge over c urre nt.
(1) Not hi ng nee d to do, W ait o ne minute fo r t he inverte r t o rest ar t.
(2) Chec k w het her t he load is in c o mpl ia nce w ith t he s pec ificatio n.
(3) C ut o
ff
al l the powe r an d shut do wn al l the mac hin es ; disc onn ect
the load and plu g in to res tart m ac hines, t he n c heck
O ver Load
01
The l oad p owe r i s grea ter t han other powe r(PV,B AT ).
(1) Chec k w het her t he load is in c o mpl ia nce w ith t he maxim um
po wer of t he machi ne.
(2) Cut off all the powe r and shut do wn all the machi nes; disc onnect
the load and plu g in to res tart m ac hines, t he n c heck whether t he
load is s ho rt c ircuited if t he f au lt ha s be en e limin at ed.
(3) Co ntact c us tome r s ervic e if e rror warnin g co ntinues.
BatDi sc onnect
02
Batte ry Di sconne ct. (Batte ry volt age no t i den tified)
(1) Chec k w het her t he ba tte ry is c onnec ted.
(2) Chec k if b att er y w iring port i s o pe n c ircuited.
(3) Co ntact c us tome r s ervic e if e rror warnin g co ntinues.
Ba t Under V ol
03
Batte ry voltage low t hat no rm al ra nge .
(1) Chec king Syste m Settings , I f s o, pow er o
ff
an d rest ar t.
(2) Chec k if t he gr id p ow er do wn. I f so, wait ting fo r t he g rid pow er
up, t he inverter will au tom atic ally c ha rg e.
(3) Co ntact c us tome r s ervic e if e rror warnin g co ntinues.
Bat L ow c apacity
04
Batt er y Low that setting c ap ac ity.(SO C< 100% - DOD )
Ba t Ov er V ol
05
The b att ery v oltage is grea ter th an the Inv er ter m aximu m v olta ge .
(1) Chec king Sys te m Settings , If s o , pow er o
ff
an d rest ar t.
(2)
C o ntact c ust o m er s ervice if e rror warnin g co ntinues.
Gird low vol
06
Gr id v oltage is ab nor mal
(1)Chec k if th e grid is abnor ma l.
(2) R esta rt the inv er ter a nd wait until it f un ctions norma lly.
(3) Conta ct c ust omer se rvice if erro r wa rnin g co ntin ue s.
Gr id ov er v ol
07
Co des
Solutions
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