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KESS Power Solutions Gmbh / www.kess.at / info@kess.at
Symptoms
Possible causes
Solutions
No alarms or indications on the LCd
display and mains voltage normal.
The power cables are not connected correctly.
Check that the power cables
are firmly connected to the
mains.
These icons are shown on the LCd
monitor. The acoustic alarm beeps
every sec.
The EPo function is activated.
Close the EPo signal circuit to
deactivate it.
These icons and the message
BaTT faULT
are shown on the LCd
monitor. The acoustic alarm beeps
every sec.
The internal or external battery is not correctly
connected.
Check that all batteries are
correctly connected.
These icons are shown on the LCd
monitor. The acoustic alarm beeps
twice every sec.
The UPS is overloaded.
disconnect or shut down the
not needed loads connected
to the UPS output.
The UPS is overloaded. The loads connected
to the UPS are directly powered by the mains
through the bypass.
disconnect or shut down the
not needed loads connected
to the UPS output.
After repeated overloads, the UPS will transfer
to bypass mode. The loads connected to the
device will be powered from the input through
the bypass.
disconnect or shut down the
not needed loads connected
to the UPS output, shut down
the device and restart it.
This icon and the fault code 43 are
shown on the LCd monitor. The
acoustic alarm beeps continuously.
The UPS is overloaded for a long time and the
device is locked. The UPS shuts down
automatically.
disconnect or shut down the
not needed loads connected
to the UPS output, shut down
the device and restart it.
The fault code 14 is shown on the
LCd monitor. The alarm beeps
continuously.
The UPS shuts down automatically due to a
short circuit at the UPS output.
Check that the output
connection and/or the loads
connected to it are not
short-circuited.
The fault code 01, 02, 03, 04, 11, 12,
13, 14, 1A, 21, 24, 35, 36, 41, 42 or
43 is shown on the LCd monitor. The
acoustic alarm beeps continuously.
An internal fault has occurred in the UPS. There
are two possibilities:
1. The load is still powered, but directly from the
mains through the bypass.
2. The load is no longer powered.
Contact our KESS Service.
The backup time is shorter than
expected.
The batteries do not charge completely.
Charge the batteries for at
least 7 h and check their
charging state. if the problems
proceed, please contact our
KESS Service.
faulty batteries.
Contact our KESS Service to ar-
range a battery replacement.
This icon and the message
Temp
are shown on the LCd monitor. The
acoustic alarm beeps every sec.
The fan is locked, does not work or the
temperature of the UPS is very high.
Contact our KESS Service.
9.3.2 TRoUbLEShooTiNG GUidE foR dEViCES fRoM 4 To 6 KVA
Tab.22: Troubleshooting for models from 4 to 6 kVA