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6 Checks and trouble
shooting
The device will restart automatically if the causes of
the malfunction are rectified.
Never perform a test run with con-
nected power cables. Never touch an
electrical connector without a volt-
age check.
When a failure occurs, always
report what you experienced before,
during and after the failure. Infor-
mation with regard to the load (type,
size, power factor, etc.), vibrations,
insulation check, odours, output
voltage, damaged parts, ambient
temperature, daily and normal
maintenance and altitude might be
helpful to quickly locate the prob-
lem. Also report any information
regarding the humidity and location
of the ESS (e.g. close to sea).
N° Disorder Comment
1 Device
switches off
due to
overload
The ESS attempts a reboot three
times in the interval of a few seconds
and then switches off if the overload
still exists.
Solution: Eliminate the cause of
overload by electrician.
2 Load is not
working
despite the
batteries are
recharged or
the power
inlet is
supplied by
mains or
running
genset
– ESS is off. Solution: Switch on
the device.
– Emergency stop is activated.
Solution: Release emergency
stop.
– Batteries are full. No action
required.
3PV
performance
significantly
below
expectation
PV module defective or PV fuse
fallen.
Solution: Determine the cause of the
electrical load and re-place the PV
fuse(s) if necessary.
00_00_ZBP45_EN.book Page 49 Monday, October 19, 2020 9:52 AM
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