Sunmax RT-120 - Page 42

2) Common
fault and solution
Indica
tor State
“-”show
pause
Fault
indication
Soluti
on
Red Gr
een
Withou
t load
Check
if these happen:the
connec
tion of battery and charger
is loo
se, the battery reversed, or
the ba
ttery voltage is too low.
Red-Green-Red
- - -
Over v
oltage or
over c
urrent
If the
error opens again after
restar
t ,return it to factory repair.
Red Green
Red
Green - -
The amb
ient
temper
ature is
too hi
gh or too
low
※
Please
check if the ambient
temper
ature is too high and if
ventil
ation is good and the
positi
on of battery temperature
sensor
.
Green
Red
- - -
-
Charge
r
overhe
ating
Please
check whether
ambien
t
temper
ature is too high and if
ventil
ation is good.
Red Gr
een
- - -
-
Output
Under
-
Voltag
e
Please
return it to the factory.
Red Green Red
Green
Red
-
Input AC
abnorm
ality
Please check the input voltage
and th
e plug poor contact.
Green
Red
Green- - - -
Anyone
of the
above-mentio
ne
d faul
ts repeats
five t
imes, then
it app
ears.
Re-up ele
ctricity, match the
indica
tor state to the
above-mentio
ned faults then get
the co
rresponding solution.
41