Safety Features - EZA MPPT L Série Manuel Utilisateur

Solar charge controller EZAMPPT L series User Manual
9.LED indications and Faults & Alarms
LED Display Explanation
9.3
Status
LED
Slow flash(0.5s/2s)
Flash(0.5s on/0.5s off )
Green
Fast flash(0.1s/0.1s) MPPT Charging
LED
On
Off
On
Sl ow flas h( 1s /1s )
Red
Fl as hi ng( 0. 5s /0. 5s )
LED
Fas t flas h( 0. 1s /0. 1s )
Both off
Red
Green
Both on 1s
Faults & Alarms
9.4
Fault Reason
Status
L o w v o l t . Battery capacity Load will be reconnected
p ro te c t i o n is low
Loads
are
Ove rcu rr ent, Loads are
not
sh ort cir cu it
over current
powered protec ti on
or short circuit
Over temp . Controller temp.
protection is too high
High battery
voltage
Over >("CVT" + 0.2V)
High
voltage
protection
voltage
Battery wires or
at
battery fuse
battery
damaged,
terminal
battery has high
resistance .
L o w
Battery is
vo l t a g e Battery has low
empty
after a
capacity
p ro t e c t i o n
short time
G re e n
Battery
PV panel fault
can' t be L E D
or reverse
charged i s o n
connection
Red LED
eceiver
R
Emitting
Green LED
Function
Batter y connected,
Daytime detected
Charging, reach the
target voltage
Batter y connected,
night detected
No fault detected
Low voltage protection
Overcurrent or
shor t circuit protection
Over temperature
protection
Over voltage protection
No connection to ba tter y
Star t up Self test
Remedy
when battery is recharged
Switch off all loads,
remove short circuit,
load will be reconnected
after 1 minute automatically
Load reconnects
after temp. reduces
Check if other sources
overcharge the battery.
If not,controller is damaged.
Check battery wires,
fuse and battery.
Change battery
Check panels and
connection wires
Page 4 of 5 pages

10.Safety Features

Solar terminal Battery terminal
Reverse
Protected *1 Protected
polarity
Short circuit Protected
Over current
Reverse
Protected
Current
Over voltage Max.90V *2
Under
voltage
The controller cuts off the load if the
Over temp.
temperature reaches the set value.
*1.Battery must be protected by fuse, otherwise battery will
be damaged.
*2.The PV panel voltage should not exceed 90V(or 60V) for a
long time.
*3.The battery voltage should not exceed 40V(or 35V).

Warning: The combination of different error conditions
may cause damage to the controller.
Always remove the error before you continue connecting
the controller.
Load terminal
Protected
Switches off
Protected *1
immediately
Switches off
with delay
Max. 40V *3
Switches off