Magnum Energy RD1824 Operator's Manual page 39

1 . B a s i c T r o u b l e s h o o t i n g
T he ME S eries inverter/ cha rger is a fa irly s im ple dev ice to troubles hoot. T here
a re only two a ctiv e circuits ( AC a nd D C ) a s well a s a cha rging circuit. T he following
cha rt is des igned to help y ou quick ly pinpoint the m os t com m on inverter fa ilures .
W A R N I N G : D e - e n e r g i z e a l l s o u r c e s o f p o w e r i n c l u d i n g b a t t e r i e s ( D C ) , s h o r e
p o w e r ( A C ) , a n d A C g e n e r a t o r ( a s a p p l i c a b l e ) .
S y m p t o m
N o o u t p u t p o w e r .
I n v e r t e r L E D i s O F F .
N o o u t p u t p o w e r .
I n v e r t e r L E D i s O F F .
N o o u t p u t p o w e r .
G r e e n L E D i s f l a s h i n g .
L o w o u t p u t p o w e r .
A p p l i a n c e s t u r n O F F / O N .
G r e e n L E D i s f l a s h i n g .
A C o u t p u t v o l t a g e s e e m s
t o o l o w w h e n u s i n g a m e t e r . ( dis pla y s 8 0 V AC to 1 0 0 VAC ) .
L o w s u r g e p o w e r .
L o w c h a r g i n g r a t e
w h e n c o n n e c t e d t o
g r i d p o w e r .
L o w c h a r g i n g r a t e
w h e n u s i n g a g e n e r a t o r .
C h a r g e r d o e s n ' t c h a r g e .
Ó 2 0 0 3 - Ma gnum E nergy , I nc.
P o s s i b l e C a u s e
I nv erter is s witched OFF.
B a ttery volta ge is too low.
High or low ba ttery volta ge.
Loa d is too s m a ll for s ea rch
m ode circuit detection.
Low ba tteries .
Loos e or corroded ba ttery ca bles .
Low ba tteries .
Loos e AC output connections .
W rong ty pe of voltm eter us ed
Low ba tteries .
B a ttery ca bles a re the
wrong length or ga uge.
C ha rge ra te s et too low.
Low AC volta ge ( < 9 0 VAC ) .
G enera tor output is too low
to power both loa d a nd cha rger.
Loos e or corroded ba ttery ca bles .
D efectiv e ba tteries .
W rong cha rger s ettings .
W rong AC input v olta ge.
4 . T R O U B L E S H O O T I N G
R e c o m m e n d e d S o l u t i o n
S witch the inv erter ON.
C heck ba ttery volta ge, fus es ,
brea k ers a nd ca ble connections .
C heck the ba ttery v olta ge a t
the inv erter's term ina ls .
D is cha rge or cha rge ba tteries .
R epla ce the ba tteries .
R educe the s ea rch thres hold
or defea t s ea rch m ode.
C heck a nd recha rge ba tteries .
C lea n a nd tighten a ll ca bles .
R echa rge or repla ce ba tteries .
T ighten AC output connections .
Us e a " true" R MS v oltm eter.
C heck a nd recha rge ba tteries .
Verify recom m ended ca ble lengths
a nd ga uges from the m a nua l.
R epla ce ca bles a s neces s a ry.
Adjus t cha rge ra te from rem ote.
C heck AC input wiring.
R educe the loa d.
I ncrea s e the genera tor 's R PMs .
C lea n a nd tighten ba ttery ca bles .
R epla ce ba tteries .
Adj us t the cha rger s ettings .
Verify proper AC input
v olta ge a nd frequency.
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