opti-solar SP5000 Vitality Eco, Руководство по установке и эксплуатации, Страница: 48 / 57

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If error continues, please contact with your local
service
X4 appears
If you find this in initial installation, please check
1. AC mains and Load connection
2.
AC load is to be connected to load, NOT AC
main
If error continues, please contact with your local
service
Unable to charge
batteries
1. Improper battery type. Please use official
batteries
2. The life cycle of battery ends. Please replace
batteries
3. Improper battery connection. Please check
the wirings between SP5000 Vitality Eco and
battery bank
RS485 does not
work
1. Check all wirings, connections and polarity
2. Try to switch “on” or “off ” terminal DIP
switch
“BAT -> Load” does
not work
1. Enable this function in setting menu
2. Make sure “Mains charges Battery” function
is off
Internal Comm.
Error
1. Green status LED is flashing
2. Call your local service
Frequent
disconnection in
on-grid operation
Caused by unstable grid satiation, please
1.
Improve the AC cables to larger and/or
shorter
2. Check the AC voltage and frequency
Ask local service for adjusting operation
parameter
Overload
1. Please reduce the load
2. Please check the load PF (Power Factor). For
some loads (such as lighting) with less PF, it
may take higher current; even its wattage is
small. In this case, please correct or replace
such kinds of loads
Current unbalance
in multiple-unit
1. Current could normally deviate about 10%
for different inverters