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5.2 Troubleshooting
Trouble Shooting
Faults
Charging LED indicator
off during daytime when
sunshine falls on PV
modules properly. the PV
of monitoring interface
shows Disconnect.
Charging circuit is off and
the
PV
of
monitoring
interface
shows
Current.
Charging and discharging
circuit is off and the PV of
monitoring interface shows
Err 、 MOS-I
Measure
Short、 MOS-C Short、 MOS
Break.
Loads do not work and the
BATT
of
monitoring
interface shows LVD.
Possible
reasons
PV
array
disconnection
Charging
current
Over
more
nominal
current value
MOS-I
MOS-C
damaged.
Battery
over
discharged
Troubleshooting
Check
that
connections are correct and tight.
Please check whether solar panel array
is
match
with
than
controller; When Charging current reaches
1.05-1.25 times, 1.25-1.5 times and 1.5
times more than nominal value, controller
will automatically close loads in 60
seconds, 5 seconds and 1 second,
respectively. Controller is automatically
circularly activated so as to reconnect
charging circuit. Every reactivating is 60
seconds delayed, but not limits on number
of times.
or
Please restart controller, if the fault still
is
exists, immediately switch off charging
and discharging circuit; contact the
supplier to make maintenance.
The
controller
automatically
charged.
35
Table 5-1
PV
and
battery
nominal
parameters
cut
off the
recovered
when
wire
of
output,
fully
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Troubleshooting
