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47
The input battery
under-voltage
warning (“E05”)
and/ or shutdown
alarm (“E01”) occurs
in advance even
when the battery
voltage seems to be
OK
Battery bank with high internal
resistance, resulting in a voltage drop
proportional to the DC current draw
from the unit.
Too much battery voltage drop due to excessive
drawing current in relation to the battery bank
capacity. Increase the battery bank capacity
(i.e. adding more batteries in parallel) and/or
reduce the load being fed by the inverter Battery
damaged and not able to keep a good state of
charge. Replace the battery (or batteries)
Battery bank is getting discharged.
This is normal condition. The E05 warning and
then followed by the E01 shutdown occur while
the battery bank is getting discharged. Charge the
battery bank.
Make sure to measure the battery
voltage just before the “E01” battery
under-voltage shutdown in battery
(inverter) mode occurs and compare
it with the corresponding voltage
threshold in the specifications table.
(allow +/- 5% of tolerance)
Just after the E01 occurs, the battery voltage
increases rapidly since the battery is not under
load condition after the inverter shutdown. This
is normal in all battery banks and can confuse
the user thinking the under-voltage shutdown
that triggered the E02 alarm occurs in advance at
higher voltage thresholds than the ones specified.
The E05 warning and E01 shutdown
alarm occurs well in advance due to the
“SdH” setting
If you want to extend the run time of the battery
bank as long as possible without the need to keep
enough battery state of charge for engine cranking
purposes, make sure to set the under-voltage
shutdown threshold to low values setting (“SdL” -
factory default setting) rather than the “SdH”.
The display doesn’t
work as expected
(no display or
showing “888”) and
the operation of the
unit may be affected
Loose contact or pin-out problems in
the RJ12 detachable display panel cable
A short (7”) RJ12 cable is used when the
detachable display panel is mounted on the unit
(factory default). Alternatively a long RJ12 cable is
provided for installing the display panel up to 7.5m
away. Swap the cable you are using with the other
one and check display for correct operation
Check the pin-to-pin conductivity of the cable and
the corresponding pin-out as shown in “Appendix
II”
Excessive EMI/RFI interference
(electromagnetic induction or
electromagnetic radiation) emitted from
an external source
Avoid running the remote cable very close
to motors, power contactors/relays, ballasts,
transformers, or high voltage devices. In high EMI/
RFI environments, consider using metal conduits
or a shielded cable grounded at one end and/or
reduce cable length
The RCD trips as
soon as the load is
connected to either
outlet port
There is a Neutral to Ground (M.E.N)
bonding on the AC load side of the IEC
output socket
Locate and remove the Neutral to GND (M.E.N)
bonding on the load side. If the output of the
inverter is connected to an existing distribution
panel/box, make sure the Neutral and GND
connections inside the panel/box use separate
bus bars, being the Neutral one isolated from the
chassis ground. Otherwise consider using the 10A
AC-Output socket on the front of the unit
