Troubleshooting
4–8
975-0240-01-01
Battery Charger Troubleshooting
To determine the cause of an charger error condition, refer to the troubleshooting
solutions below to resolve the situation.
Problem
Possible Cause
Solution
AC1/AC2 LED is on,
but will not start
charging
(allow 40 seconds to
synchronize).
1) Charger is disabled on the Setup menu.
2) Charger Block is enabled and the XW
Inverter/Charger is inside of the Charger
Block time window.
3) The XW Inverter/Charger is load
shaving.
4) Charger is set for 2-stage charging and
has completed a full charge cycle.
5) Battery voltage is low and AC voltage
is high; in this case XW is a passive
rectifier charger. For an active charger
operation the following condition should
be met: battery voltage > [0.16 × Vac
input].
1) Enable the charger.
2) Disable Charger Block if you need to
override this feature.
3) Check the Load Shave settings. If the
load draw from the grid exceeds the Load
Shave Amps setting, the charger will not
operate.
4) No action required. The charger comes
on when the battery reaches the Exit to
Bulk setting. Otherwise use the “Force
Chg” setting on the device setup menu to
force a bulk or float charge.
5) No action required. Wait until AC input
voltage becomes qualified, or allow the
secondary charger to charge the battery.
AC1 or AC2 LED is
flashing, but will not
start charging
(allow 40 seconds to
synchronize).
AC voltage and frequency at the AC input
terminal are within nominal range, but the
inverter output is not yet synchronized to
the AC source. The unit may be already
synchronized to another AC source, or the
unit is unable to synchronize to the AC
input frequency.
The unit is operating normally. If the unit
cannot synchronize to unstable generator
input, service the generator.
Содержание XW4024-120
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